All Stories

  1. Evidence for oceans pre-4300 Ma confirmed by preserved igneous compositions in Hadean zircon

    Article • American Mineralogist, October 2024, Mineralogical Society of America

    Professor John Valley

  2. Zircon geochemistry from early evolved terranes records coeval stagnant- and mobile-lid tectonic regimes

    Article • Proceedings of the National Academy of Sciences, September 2024, Proceedings of the National Academy of Sciences

    Professor John Valley

  3. Melt inclusions in zircon: a window to understanding the structure and evolution of the magmatic system beneath the Laguna del Maule volcanic field

    Article • Contributions to Mineralogy and Petrology, May 2024, Springer Science + Business Media

    Professor John Valley

  4. Questioning the role of methane in the wake of a snowball Earth: Insights from isotopically anomalous cap dolostone cements with a complex diagenetic history

    Article • Geochimica et Cosmochimica Acta, January 2024, Elsevier

    Professor John Valley

  5. Comparison of δ13C analyses of individual foraminifer (Orbulina universa) shells by secondary ion mass spectrometry and gas source mass spectrometry

    Article • Rapid Communications in Mass Spectrometry, November 2023, Wiley

    Professor John Valley

  6. Geochemical and mineralogical proxies beyond temperature: Autumn seasons trapped in freshwater nacre

    Article • Geochimica et Cosmochimica Acta, August 2023, Elsevier

    Professor John Valley

  7. Experimental calibration of oxygen diffusion in garnet and implications for retention of primary oxygen isotopic signatures

    Article • May 2023, Copernicus GmbH

    Professor John Valley

  8. An empirical calibration of the serpentine-water oxygen isotope fractionation at T = 25–100 °C

    Article • Geochimica et Cosmochimica Acta, April 2023, Elsevier

    Professor John Valley

  9. Low volumes of quartz cement in deeply buried Fulmar Formation sandstones explained by a low effective stress burial history

    Article • Geoenergy Science and Engineering, February 2023, Elsevier

    Professor John Valley

  10. SIMS matrix effects in oxygen isotope analysis of olivine and pyroxene: Application to Acfer 094 chondrite chondrules and reconsideration of the primitive chondrule minerals (PCM) line

    Article • Chemical Geology, October 2022, Elsevier

    Professor John Valley

  11. Asynchronous infiltration-driven growth of forsterite and periclase during metamorphism in marbles of the inner Alta aureole, Utah: δ18O and textural records of oxygen isotope disequilibrium, rapid forsterite growth and reaction history

    Article • Contributions to Mineralogy and Petrology, July 2022, Springer Science + Business Media

    Professor John Valley

  12. Garnet secondary ion mass spectrometry oxygen isotopes reveal crucial roles of pulsed magmatic fluid and its mixing with meteoric water in lode gold genesis

    Article • Proceedings of the National Academy of Sciences, May 2022, Proceedings of the National Academy of Sciences

    LI JIAN-WEI, Professor John Valley

  13. Destabilization of Long‐Lived Hadean Protocrust and the Onset of Pervasive Hydrous Melting at 3.8 Ga

    Article • AGU Advances, April 2022, American Geophysical Union (AGU)

    Professor John Valley

  14. Bulk and grain-scale minor sulfur isotope data reveal complexities in the dynamics of Earth’s oxygenation

    Article • Proceedings of the National Academy of Sciences, March 2022, Proceedings of the National Academy of Sciences

    Roger Summons, Professor John Valley

  15. Oxygen isotope evidence for input of magmatic fluids and precipitation of Au-Ag-tellurides in an otherwise ordinary adularia-sericite epithermal system in NE China

    Article • American Mineralogist, December 2021, Mineralogical Society of America

    Professor John Valley

  16. Coupling Mineralogy and Oxygen Isotopes to Seasonal Environmental Shifts Recorded in Modern Freshwater Pearl Nacre From Kentucky Lake

    Article • Geochemistry Geophysics Geosystems, December 2021, American Geophysical Union (AGU)

    Professor John Valley

  17. Deposition or diagenesis? Probing the Ediacaran Shuram excursion in South China by SIMS

    Article • Global and Planetary Change, November 2021, Elsevier

    Professor John Valley

  18. In Situ Oxygen Isotope Determination in Serpentine Minerals by SIMS: Addressing Matrix Effects and Providing New Insights on Serpentinisation at Hole BA1B (Samail ophiolite, Oman)

    Article • Geostandards and Geoanalytical Research, October 2020, Wiley

    Professor John Valley

  19. SIMS Analysis of d18O and d13C of Carbonate Cements in Shale & Mudstone. Final report

    Article • August 2020, Office of Scientific and Technical Information (OSTI)

    Professor John Valley

  20. Laminated soil carbonate rinds as a paleoclimate archive of the Colorado Plateau

    Article • Geochimica et Cosmochimica Acta, August 2020, Elsevier

    Professor John Valley

  21. Using SIMS to decode noisy stratigraphic δ13C variations in Ediacaran carbonates

    Article • Precambrian Research, July 2020, Elsevier

    Professor John Valley

  22. Enhanced Poleward Flux of Atmospheric Moisture to the Weddell Sea Region (ODP Site 690) During the Paleocene‐Eocene Thermal Maximum

    Article • Paleoceanography and Paleoclimatology, June 2020, American Geophysical Union (AGU)

    Professor John Valley

  23. Large isotopic variability at the micron-scale in ‘Shuram’ excursion carbonates from South Australia

    Article • Earth and Planetary Science Letters, May 2020, Elsevier

    Professor John Valley

  24. Vertical effective stress and temperature as controls of quartz cementation in sandstones: Evidence from North Sea Fulmar and Gulf of Mexico Wilcox sandstones

    Article • Marine and Petroleum Geology, May 2020, Elsevier

    Professor John Valley

  25. Calibration of oxygen isotope fractionation and calcite‐corundum thermometry in emery at Naxos, Greece

    Article • Journal of Metamorphic Geology, November 2019, Wiley

    Professor John Valley

  26. Oxygen isotopic investigation of silicic magmatism in the Stillwater caldera complex, Nevada: Generation of large-volume, low-δ18O rhyolitic tuffs and assessment of their regional context in the Great Basin of the western United States

    Article • Geological Society of America Bulletin, February 2019, Geological Society of America

    Professor John Valley

  27. Extreme 13C-depletions and organic sulfur content argue for S-fueled anaerobic methane oxidation in 2.72 Ga old stromatolites

    Article • Geochimica et Cosmochimica Acta, January 2019, Elsevier

    Professor John Valley

  28. Vertical effective stress as a control on quartz cementation in sandstones

    Article • Marine and Petroleum Geology, December 2018, Elsevier

    Professor John Valley

  29. Zircon Xenocrysts from Cenozoic Alkaline Basalts of the Ratanakiri Volcanic Province (Cambodia), Southeast Asia—Trace Element Geochemistry, O-Hf Isotopic Composition, U-Pb and (U-Th)/He Geochronology—Revelations into the Underlying Lithospheric Mantle

    Article • Minerals, November 2018, MDPI AG

    Professor John Valley

  30. Combined Effects of Gametogenic Calcification and Dissolution on δ18O Measurements of the Planktic Foraminifer Trilobatus sacculifer

    Article • Geochemistry Geophysics Geosystems, November 2018, American Geophysical Union (AGU)

    Professor John Valley

  31. Zircon Xenocrysts from Cenozoic Alkaline Basalts of the Ratanakiri Volcanic Province (Cambodia), Southeast Asia—Trace Element Geochemistry, O-Hf Isotopic Composition, U-Pb and (U-Th)/He Geochronology—Revelations into the Underlying ...

    Article • October 2018, MDPI AG

    Professor John Valley

  32. GZ7 and GZ8 – Two Zircon Reference Materials for SIMS U‐Pb Geochronology

    Article • Geostandards and Geoanalytical Research, October 2018, Wiley

    Professor John Valley

  33. A 200-year archaeozoological record of Pacific cod (Gadus macrocephalus) life history as revealed through ion microprobe oxygen isotope ratios in otoliths

    Article • Journal of Archaeological Science Reports, October 2018, Elsevier

    Professor John Valley

  34. Evaluation of micromilling/conventional isotope ratio mass spectrometry and secondary ion mass spectrometry of δ18O values in fish otoliths for sclerochronology

    Article • Rapid Communications in Mass Spectrometry, September 2018, Wiley

    Professor John Valley

  35. Temperature and depth distribution of Japanese eel eggs estimated using otolith oxygen stable isotopes

    Article • Geochimica et Cosmochimica Acta, September 2018, Elsevier

    Professor John Valley

  36. Lithospheric architecture and tectonic evolution of the southwestern U.S. Cordillera: Constraints from zircon Hf and O isotopic data

    Article • Geological Society of America Bulletin, June 2018, Geological Society of America

    Professor John Valley

  37. Rapid formation of porphyry copper deposits evidenced by diffusion of oxygen and titanium in quartz

    Article • Geology, June 2018, Geological Society of America

    Professor John Valley

  38. Searching for the Great Oxidation Event in North America: A Reappraisal of the Huronian Supergroup by SIMS Sulfur Four-Isotope Analysis

    Article • Astrobiology, May 2018, Mary Ann Liebert Inc

    Professor John Valley

  39. Simultaneous In Situ Analysis of Carbon and Nitrogen Isotope Ratios in Organic Matter by Secondary Ion Mass Spectrometry

    Article • Geostandards and Geoanalytical Research, April 2018, Wiley

    Professor John Valley

  40. Diagenetic Attenuation of Carbon Isotope Excursion Recorded by Planktic Foraminifers During the Paleocene‐Eocene Thermal Maximum

    Article • Paleoceanography and Paleoclimatology, April 2018, American Geophysical Union (AGU)

    Professor John Valley

  41. Atomic worlds: Current state and future of atom probe tomography in geoscience

    Article • Scripta Materialia, April 2018, Elsevier

    Professor John Valley

  42. Comparison of δ18O analyses on individual planktic foraminifer (Orbulina universa) shells by SIMS and gas-source mass spectrometry

    Article • Chemical Geology, April 2018, Elsevier

    Professor John Valley

  43. Low-δ18O mantle-derived magma in Panjal Traps overprinted by hydrothermal alteration and Himalayan UHP metamorphism: Revealed by SIMS zircon analysis

    Article • Gondwana Research, April 2018, Elsevier

    Professor John Valley

  44. Melt Origin across a Rifted Continental Margin: a Case for Subduction-related Metasomatic Agents in the Lithospheric Source of Alkaline Basalt, NW Ross Sea, Antarctica

    Article • Journal of Petrology, March 2018, Oxford University Press (OUP)

    Professor John Valley

  45. Oxygen Isotope Microanalysis By Secondary Ion Mass Spectrometry Suggests Continuous 300-million-year History of Calcite Cementation and Dolomitization in the Devonian Bakken Formation

    Article • Journal of Sedimentary Research, January 2018, Society for Sedimentary Geology

    Professor John Valley

  46. Questioning the Biogenicity of Neoproterozoic Superheavy Pyrite by SIMS

    Article • American Mineralogist, January 2018, Mineralogical Society of America

    Professor John Valley

  47. SIMS microanalysis of the Strelley Pool Formation cherts and the implications for the secular-temporal oxygen-isotope trend of cherts

    Article • Precambrian Research, January 2018, Elsevier

    Professor John Valley

  48. SIMS analyses of the oldest known assemblage of microfossils document their taxon-correlated carbon isotope compositions

    Article • Proceedings of the National Academy of Sciences, December 2017, Proceedings of the National Academy of Sciences

    Professor John Valley

  49. Best Practices for Reporting Atom Probe Analysis of Geological Materials

    Article • December 2017, Wiley

    Professor John Valley

  50. Uncertainty and Sensitivity Analysis for Spatial and Spectral Processing of Pb Isotopes in Zircon by Atom Probe Tomography

    Article • December 2017, Wiley

    Professor John Valley

  51. SIMS Bias on Isotope Ratios in Ca-Mg-Fe Carbonates (Part III): δ18 O and δ13 C Matrix Effects Along the Magnesite-Siderite Solid-Solution Series

    Article • Geostandards and Geoanalytical Research, November 2017, Wiley

    Professor John Valley

  52. Isotopically zoned carbonate cements in Early Paleozoic sandstones of the Illinois Basin: δ18O and δ13C records of burial and fluid flow

    Article • Sedimentary Geology, November 2017, Elsevier

    Professor John Valley

  53. An anaerobic ∼3400 Ma shallow-water microbial consortium: Presumptive evidence of Earth’s Paleoarchean anoxic atmosphere

    Article • Precambrian Research, September 2017, Elsevier

    Professor John Valley

  54. Intermineral oxygen three‐isotope systematics of silicate minerals in equilibrated ordinary chondrites

    Article • Meteoritics and Planetary Science, September 2017, Wiley

    Professor John Valley

  55. Oxygen and U-Th isotopes and the timescales of hydrothermal exchange and melting in granitoid wall rocks at Mount Mazama, Crater Lake, Oregon

    Article • Geochimica et Cosmochimica Acta, September 2017, Elsevier

    Professor John Valley

  56. Slab-Triggered Arc Flare-up in the Cretaceous Median Batholith and the Growth of Lower Arc Crust, Fiordland, New Zealand

    Article • Journal of Petrology, June 2017, Oxford University Press (OUP)

    Professor John Valley

  57. A Study of the Microbial Spatial Heterogeneity of Bahamian Thrombolites Using Molecular, Biochemical, and Stable Isotope Analyses

    Article • Astrobiology, May 2017, Mary Ann Liebert Inc

    Professor John Valley

  58. Thermal and chemical evolution in the early Solar System as recorded by FUN CAIs: Part II – Laboratory evaporation of potential CMS-1 precursor material

    Article • Geochimica et Cosmochimica Acta, March 2017, Elsevier

    Professor John Valley

  59. In situ δ13C and δ18O microanalysis by SIMS: A method for characterizing the carbonate components of natural and engineered CO2-reservoirs

    Article • International Journal of Greenhouse Gas Control, February 2017, Elsevier

    Professor John Valley

  60. An evaluation of paired δ18O and (234U/238U)0 in opal as a tool for paleoclimate reconstruction in semi-arid environments

    Article • Chemical Geology, January 2017, Elsevier

    Professor John Valley

  61. Oxygen isotope systematics in an evolving geothermal system: Coso Hot Springs, California

    Article • Journal of Volcanology and Geothermal Research, January 2017, Elsevier

    Professor John Valley

  62. Oxygen isotope thermometry using quartz inclusions in garnet

    Article • Journal of Metamorphic Geology, December 2016, Wiley

    Professor John Valley

  63. Reconstructing larval growth and habitat use in an amphidromous goby using otolith increments and microchemistry

    Article • Journal of Fish Biology, December 2016, Wiley

    Professor John Valley

  64. Oxygen isotope evolution of the Lake Owyhee volcanic field, Oregon, and implications for the low-δ18O magmatism of the Snake River Plain–Yellowstone hotspot and other low-δ18O large igneous provinces

    Article • Contributions to Mineralogy and Petrology, October 2016, Springer Science + Business Media

    Professor John Valley

  65. Meteoric fluid infiltration in crustal-scale normal fault systems as indicated by δ18O and δ2H geochemistry and40Ar/39Ar dating of neoformed clays in brittle fault rocks

    Article • Lithosphere, October 2016, GeoScienceWorld

    Professor John Valley

  66. Temporal and compositional evolution of Jorullo volcano, Mexico: Implications for magmatic processes associated with a monogenetic eruption

    Article • Chemical Geology, September 2016, Elsevier

    Professor John Valley

  67. Compositional evolution of the upper continental crust through time, as constrained by ancient glacial diamictites

    Article • Geochimica et Cosmochimica Acta, August 2016, Elsevier

    Professor John Valley

  68. Zircon M127 - A Homogeneous Reference Material for SIMS U-Pb Geochronology Combined with Hafnium, Oxygen and, Potentially, Lithium Isotope Analysis

    Article • Geostandards and Geoanalytical Research, July 2016, Wiley

    Professor John Valley

  69. Accurate determination of ferric iron in garnets

    Article • American Mineralogist, July 2016, Mineralogical Society of America

    Professor John Valley

  70. Microanalysis of carbonate cement δ18O in a CO2-storage system seal: Insights into the diagenetic history of the Eau Claire Formation (Upper Cambrian), Illinois Basin

    Article • AAPG Bulletin, June 2016, American Association of Petroleum Geologists (AAPG)

    John Valley, Professor John Valley

  71. Inherited igneous zircons in jadeitite predate high-pressure metamorphism and jadeitite formation in the Jagua Clara serpentinite mélange of the Rio San Juan Complex (Dominican Republic)

    Article • Contributions to Mineralogy and Petrology, May 2016, Springer Science + Business Media

    Professor John Valley

  72. Petrological, Geochemical and Sr–Nd–O Isotopic Constraints on the Origin of Garnet and Spinel Pyroxenites from the Moldanubian Zone of the Bohemian Massif

    Article • Journal of Petrology, May 2016, Oxford University Press (OUP)

    Professor John Valley

  73. Oxygen Isotope Variability within Nautilus Shell Growth Bands

    Article • PLOS One, April 2016, PLOS

    Professor John Valley

  74. Microstructure-specific carbon isotopic signatures of organic matter from ∼3.5 Ga cherts of the Pilbara Craton support a biologic origin

    Article • Precambrian Research, April 2016, Elsevier

    Professor John Valley

  75. Relict soil evidence for profound quaternary aridification of the Atacama Desert, Chile

    Article • Geoderma, April 2016, Elsevier

    Professor John Valley

  76. Experimental calibration of silicon and oxygen isotope fractionations between quartz and water at 250 °C by in situ microanalysis of experimental products and application to zoned low δ30Si quartz overgrowths

    Article • Chemical Geology, February 2016, Elsevier

    Professor John Valley

  77. Pedothem carbonates reveal anomalous North American atmospheric circulation 70,000–55,000 years ago

    Article • Proceedings of the National Academy of Sciences, January 2016, Proceedings of the National Academy of Sciences

    Professor John Valley

  78. Secondary Ion Mass Spectrometry Bias on Isotope Ratios in Dolomite–Ankerite, Part II: δ13C Matrix Effects

    Article • Geostandards and Geoanalytical Research, November 2015, Wiley

    Professor John Valley

  79. Carbon and sulfur isotopic signatures of ancient life and environment at the microbial scale: Neoarchean shales and carbonates

    Article • Geobiology, October 2015, Wiley

    Professor John Valley

  80. Unraveling crustal growth and reworking processes in complex zircons from orogenic lower-crust: The Proterozoic Putumayo Orogen of Amazonia

    Article • Precambrian Research, September 2015, Elsevier

    Dr Mihai N Ducea, Professor John Valley

  81. Secondary Ion Mass Spectrometry Bias on Isotope Ratios in Dolomite–Ankerite, Part I: δ18O Matrix Effects

    Article • Geostandards and Geoanalytical Research, August 2015, Wiley

    Professor John Valley

  82. Nano- and micro-geochronology in Hadean and Archean zircons by atom-probe tomography and SIMS: New tools for old minerals

    Article • American Mineralogist, July 2015, GeoScienceWorld

    John Valley, Professor John Valley

  83. Low temperature, non-stoichiometric oxygen-isotope exchange coupled to Fe(II)–goethite interactions

    Article • Geochimica et Cosmochimica Acta, July 2015, Elsevier

    Professor John Valley

  84. Direct measurements of deglacial monsoon strength in a Chinese stalagmite

    Article • Geology, June 2015, Geological Society of America

    Cheng Hai, Professor John Valley

  85. Reply to Dvořák et al.: Apparent evolutionary stasis of ancient subseafloor sulfur cycling biocoenoses

    Article • Proceedings of the National Academy of Sciences, April 2015, Proceedings of the National Academy of Sciences

    Professor John Valley

  86. Combined oxygen-isotope and U-Pb zoning studies of titanite: New criteria for age preservation

    Article • Chemical Geology, March 2015, Elsevier

    Professor John Valley

  87. Sulfur-cycling fossil bacteria from the 1.8-Ga Duck Creek Formation provide promising evidence of evolution's null hypothesis

    Article • Proceedings of the National Academy of Sciences, February 2015, Proceedings of the National Academy of Sciences

    Professor John Valley

  88. Strain and permeability gradients traced by stable isotope exchange in the Raft River detachment shear zone, Utah

    Article • Journal of Structural Geology, February 2015, Elsevier

    Professor John Valley

  89. UV-light microscope: improvements in optical imaging for a secondary ion mass spectrometer

    Article • Journal of Analytical Atomic Spectrometry, January 2015, Royal Society of Chemistry

    Professor John Valley

  90. Influence of radiation damage on Late Jurassic zircon from southern China: Evidence from in situ measurements of oxygen isotopes, laser Raman, U–Pb ages, and trace elements

    Article • Chemical Geology, December 2014, Elsevier

    Professor John Valley

  91. Time scales and processes of Cordilleran batholith construction and high-Sr/Y magmatic pulses: Evidence from the Bald Mountain batholith, northeastern Oregon

    Article • Geosphere, December 2014, Geological Society of America

    Professor John Valley

  92. Ion microprobe survey of the grain-scale oxygen isotope geochemistry of minerals in metamorphic rocks

    Article • Geochimica et Cosmochimica Acta, November 2014, Elsevier

    Professor John Valley

  93. Development of in situ sulfur four-isotope analysis with multiple Faraday cup detectors by SIMS and application to pyrite grains in a Paleoproterozoic glaciogenic sandstone

    Article • Chemical Geology, September 2014, Elsevier

    Professor John Valley

  94. Evolution of quartz cementation and burial history of the Eau Claire Formation based on in situ oxygen isotope analysis of quartz overgrowths

    Article • Chemical Geology, September 2014, Elsevier

    Professor John Valley

  95. Geological Applications of Atom Probe Tomography: New Information from Old Rocks

    Article • Microscopy and Microanalysis, August 2014, Oxford University Press (OUP)

    Professor John Valley

  96. SIMS measurements of intrashell δ13C in the cultured planktic foraminifer Orbulina universa

    Article • Geochimica et Cosmochimica Acta, August 2014, Elsevier

    Professor John Valley

  97. Soft X-Ray EPMA Analyses of Extremely Reduced Phases from Apollo 16 Regolith: Problems and Solutions for Sub-Micron Analysis

    Article • Microscopy and Microanalysis, August 2014, Oxford University Press (OUP)

    Professor John Valley

  98. Hadean age for a post-magma-ocean zircon confirmed by atom-probe tomography

    Article • Nature Geoscience, February 2014, Springer Science + Business Media

    Professor John Valley

  99. Komsomolskaya diamondiferous eclogites: evidence for oceanic crustal protoliths

    Article • Contributions to Mineralogy and Petrology, February 2014, Springer Science + Business Media

    Professor John Valley

  100. Seasonal climate signals (1990–2008) in a modern Soreq Cave stalagmite as revealed by high-resolution geochemical analysis

    Article • Chemical Geology, January 2014, Elsevier

    Professor John Valley

  101. Stable isotope time-series in mammalian teeth: In situ δ18O from the innermost enamel layer

    Article • Geochimica et Cosmochimica Acta, January 2014, Elsevier

    Professor John Valley

  102. Correlated δ18O and [Ti] in lunar zircons: a terrestrial perspective for magma temperatures and water content on the Moon

    Article • Contributions to Mineralogy and Petrology, December 2013, Springer Science + Business Media

    Professor John Valley

  103. Of Travertine and Time: Otolith Chemistry and Microstructure Detect Provenance and Demography of Endangered Humpback Chub in Grand Canyon, USA

    Article • PLOS One, December 2013, PLOS

    Professor John Valley

  104. Intragrain oxygen isotope zoning in titanite by SIMS: Cooling rates and fluid infiltration along the Carthage‐Colton Mylonite Zone, Adirondack Mountains, NY, USA

    Article • Journal of Metamorphic Geology, December 2013, Wiley

    Professor John Valley

  105. Contrasting behavior of oxygen and iron isotopes in banded iron formations revealed by in situ isotopic analysis

    Article • Earth and Planetary Science Letters, December 2013, Elsevier

    Professor John Valley

  106. Experimental evaporation of Mg- and Si-rich melts: Implications for the origin and evolution of FUN CAIs

    Article • Geochimica et Cosmochimica Acta, December 2013, Elsevier

    Professor John Valley

  107. Geochemistry and geochronology of the Jim Sage volcanic suite, southern Idaho: Implications for Snake River Plain magmatism and its role in the history of Basin and Range extension

    Article • Geosphere, November 2013, Geological Society of America

    Professor John Valley

  108. A Garnet–Zircon Oxygen Isotope Record of Subduction and Exhumation Fluids from the Franciscan Complex, California

    Article • Journal of Petrology, November 2013, Oxford University Press (OUP)

    Professor John Valley

  109. Oxygen three-isotope ratios of silicate particles returned from asteroid Itokawa by the Hayabusa spacecraft: A strong link with equilibrated LL chondrites

    Article • Earth and Planetary Science Letters, October 2013, Elsevier

    Professor John Valley

  110. Perspectives on the origin of plagiogranite in ophiolites from oxygen isotopes in zircon

    Article • Lithos, October 2013, Elsevier

    Professor John Valley

  111. In situ δ18O and Mg/Ca analyses of diagenetic and planktic foraminiferal calcite preserved in a deep‐sea record of the Paleocene‐Eocene thermal maximum

    Article • Paleoceanography, September 2013, American Geophysical Union (AGU)

    Professor John Valley

  112. Synextensional magmatism leading to crustal flow in the Albion–Raft River–Grouse Creek metamorphic core complex, northeastern Basin and Range

    Article • Tectonics, September 2013, American Geophysical Union (AGU)

    Professor John Valley

  113. Oxygen isotope zoning in garnets from Franciscan eclogite blocks: evidence for rock–buffered fluid interaction in the mantle wedge

    Article • Contributions to Mineralogy and Petrology, July 2013, Springer Science + Business Media

    Professor John Valley

  114. Quartz Cementation History of Sandstones Revealed By High-Resolution Sims Oxygen Isotope Analysis

    Article • Journal of Sedimentary Research, July 2013, Society for Sedimentary Geology

    Professor John Valley

  115. Texture-specific isotopic compositions in 3.4Gyr old organic matter support selective preservation in cell-like structures

    Article • Geochimica et Cosmochimica Acta, July 2013, Elsevier

    Professor John Valley

  116. Lying in wait: deep and shallow evolution of dacite beneath Volcán de Santa María, Guatemala

    Article • Geological Society London Special Publications, June 2013, Geological Society

    Professor John Valley

  117. Garnet pyroxenite in the Biskupice peridotite, Bohemian Massif: anatomy of a Variscan high-pressure cumulate

    Article • Journal of Geosciences, April 2013, Czech Geological Society

    Professor John Valley

  118. Anticorrelation between low δ13C of eclogitic diamonds and high δ18O of their coesite and garnet inclusions requires a subduction origin

    Article • Geology, April 2013, Geological Society of America

    Professor John Valley

  119. Micron-scale intrashell oxygen isotope variation in cultured planktic foraminifers

    Article • Geochimica et Cosmochimica Acta, April 2013, Elsevier

    Professor John Valley

  120. Fall, classification, and exposure history of the Mifflin L5 chondrite

    Article • Meteoritics and Planetary Science, March 2013, Wiley

    Professor John Valley

  121. Preservation and detection of microstructural and taxonomic correlations in the carbon isotopic compositions of individual Precambrian microfossils

    Article • Geochimica et Cosmochimica Acta, March 2013, Elsevier

    Professor John Valley

  122. Otolith oxygen isotopes measured by high‐precision secondary ion mass spectrometry reflect life history of a yellowfin sole (Limanda aspera)

    Article • Rapid Communications in Mass Spectrometry, February 2013, Wiley

    Professor John Valley

  123. Proterozoic evolution of the Mojave crustal province as preserved in the Ivanpah Mountains, southeastern California

    Article • Precambrian Research, January 2013, Elsevier

    Professor John Valley

  124. Relative retention of trace element and oxygen isotope ratios in zircon from Archean rhyolite, Panorama Formation, North Pole Dome, Pilbara Craton, Western Australia

    Article • Chemical Geology, November 2012, Elsevier

    Professor John Valley

  125. Ion microprobe analyses of δ18O in early quartz cements from 1.9Ga granular iron formations (GIFs): A pilot study

    Article • Precambrian Research, September 2012, Elsevier

    Professor John Valley

  126. Eclogite-facies fluid infiltration: constraints from δ18O zoning in garnet

    Article • Contributions to Mineralogy and Petrology, August 2012, Springer Science + Business Media

    Professor John Valley

  127. A detailed record of shallow hydrothermal fluid flow in the Sierra Nevada magmatic arc from low-δ18O skarn garnets

    Article • Geology, August 2012, Geological Society of America

    Professor John Valley

  128. Primordial oxygen isotope reservoirs of the solar nebula recorded in chondrules in Acfer 094 carbonaceous chondrite

    Article • Geochimica et Cosmochimica Acta, August 2012, Elsevier

    Professor John Valley

  129. Seasonal resolution of Eastern Mediterranean climate change since 34ka from a Soreq Cave speleothem

    Article • Geochimica et Cosmochimica Acta, July 2012, Elsevier

    Professor John Valley

  130. New sample holder geometry for high precision isotope analyses

    Article • Surface and Interface Analysis, June 2012, Wiley

    Professor John Valley

  131. Mollusk Shell Nacre Ultrastructure Correlates with Environmental Temperature and Pressure

    Article • Journal of the American Chemical Society, March 2012, American Chemical Society (ACS)

    Professor John Valley

  132. The thermal structure of continental crust in active orogens: insight from Miocene eclogite and granulite xenoliths of the Pamir Mountains

    Article • Journal of Metamorphic Geology, February 2012, Wiley

    Professor John Valley

  133. Dynamic growth of garnet in granitic magmas

    Article • Geology, February 2012, Geological Society of America

    Professor John Valley

  134. Silician magnetite from the Dales Gorge Member of the Brockman Iron Formation, Hamersley Group, Western Australia

    Article • American Mineralogist, January 2012, Mineralogical Society of America

    Professor John Valley

  135. Evolution of quartz cementation during burial of the Cambrian Mount Simon Sandstone, Illinois Basin: In situ microanalysis of δ18O

    Article • Geology, December 2011, Geological Society of America

    Professor John Valley

  136. Zircon U-Pb isotope,  18O and trace element response to 80 m.y. of high temperature metamorphism in the lower crust: Sluggish diffusion and new records of Archean craton formation

    Article • American Journal of Science, November 2011, American Journal of Science (AJS)

    Professor John Valley

  137. Li isotopes and trace elements as a petrogenetic tracer in zircon: insights from Archean TTGs and sanukitoids

    Article • Contributions to Mineralogy and Petrology, October 2011, Springer Science + Business Media

    Professor John Valley

  138. Constraining atmospheric oxygen and seawater sulfate concentrations during Paleoproterozoic glaciation: In situ sulfur three-isotope microanalysis of pyrite from the Turee Creek Group, Western Australia

    Article • Geochimica et Cosmochimica Acta, October 2011, Elsevier

    Professor John Valley

  139. High-resolution P-T-t paths from δ18O zoning in titanite: A snapshot of late-orogenic collapse in the Grenville of New York

    Article • Geology, October 2011, Geological Society of America

    Professor John Valley

  140. SIMS analyses of silicon and oxygen isotope ratios for quartz from Archean and Paleoproterozoic banded iron formations

    Article • Geochimica et Cosmochimica Acta, October 2011, Elsevier

    Professor John Valley

  141. A chondrule-like object captured by space-exposed aerogel on the international space station

    Article • Earth and Planetary Science Letters, September 2011, Elsevier

    Professor John Valley

  142. Planktonic foraminiferal oxygen isotope analysis by ion microprobe technique suggests warm tropical sea surface temperatures during the Early Paleogene

    Article • Paleoceanography, July 2011, American Geophysical Union (AGU)

    Professor John Valley

  143. Needs and opportunities in mineral evolution research

    Article • American Mineralogist, June 2011, Mineralogical Society of America

    Professor John Valley

  144. Determining the impactor of the Ordovician Lockne crater: Oxygen and neon isotopes in chromite versus sedimentary PGE signatures

    Article • Earth and Planetary Science Letters, June 2011, Elsevier

    Professor John Valley

  145. Ion microprobe analyses of oxygen three‐isotope ratios of chondrules from the Sayh al Uhaymir 290 CH chondrite using a multiple‐hole disk

    Article • Meteoritics and Planetary Science, May 2011, Wiley

    Professor John Valley

  146. Oxygen isotope variations of garnets and clinopyroxenes in a layered diamondiferous calcsilicate rock from Kokchetav Massif, Kazakhstan: a window into the geochemical nature of deeply subducted UHPM rocks

    Article • Contributions to Mineralogy and Petrology, May 2011, Springer Science + Business Media

    Professor John Valley

  147. The origin of high δ18O zircons: marbles, megacrysts, and metamorphism

    Article • Contributions to Mineralogy and Petrology, April 2011, Springer Science + Business Media

    Professor John Valley

  148. Syn-extensional plutonism and peak metamorphism in the Albion-Raft River-Grouse Creek metamorphic core complex

    Article • American Journal of Science, April 2011, American Journal of Science (AJS)

    Professor John Valley

  149. TRACING GARNET ORIGINS IN GRANITOID ROCKS BY OXYGEN ISOTOPE ANALYSIS: EXAMPLES FROM THE SOUTH MOUNTAIN BATHOLITH, NOVA SCOTIA

    Article • The Canadian Mineralogist, April 2011, Mineralogical Association of Canada

    Professor John Valley

  150. High‐precision SIMS oxygen, sulfur and iron stable isotope analyses of geological materials: accuracy, surface topography and crystal orientation

    Article • Surface and Interface Analysis, January 2011, Wiley

    Professor John Valley

  151. The Northwest Africa 1500 meteorite: Not a ureilite, maybe a brachinite

    Article • Meteoritics and Planetary Science, December 2010, Wiley

    Professor John Valley

  152. Assessment of grain-scale homogeneity and equilibration of carbon and oxygen isotope compositions of minerals in carbonate-bearing metamorphic rocks by ion microprobe

    Article • Geochimica et Cosmochimica Acta, November 2010, Elsevier

    Professor John Valley

  153. High precision SIMS oxygen three isotope study of chondrules in LL3 chondrites: Role of ambient gas during chondrule formation

    Article • Geochimica et Cosmochimica Acta, November 2010, Elsevier

    Professor John Valley

  154. Oxygen and iron isotope constraints on near-surface fractionation effects and the composition of lunar mare basalt source regions

    Article • Geochimica et Cosmochimica Acta, November 2010, Elsevier

    Professor John Valley

  155. Crystal orientation effects in δ18O for magnetite and hematite by SIMS

    Article • Chemical Geology, September 2010, Elsevier

    Professor John Valley

  156. In situ sulfur isotope analysis of sulfide minerals by SIMS: Precision and accuracy, with application to thermometry of ∼3.5Ga Pilbara cherts

    Article • Chemical Geology, August 2010, Elsevier

    Professor John Valley

  157. OXYGEN ISOTOPES IN THE GRENVILLE AND NAIN AMCG SUITES: REGIONAL ASPECTS OF THE CRUSTAL COMPONENT IN MASSIF ANORTHOSITES

    Article • The Canadian Mineralogist, August 2010, Mineralogical Association of Canada

    Professor John Valley

  158. Fe, C, and O isotope compositions of banded iron formation carbonates demonstrate a major role for dissimilatory iron reduction in ~2.5Ga marine environments

    Article • Earth and Planetary Science Letters, May 2010, Elsevier

    Professor John Valley

  159. Uniformly mantle-like δ18O in zircons from oceanic plagiogranites and gabbros

    Article • Contributions to Mineralogy and Petrology, April 2010, Springer Science + Business Media

    Professor John Valley

  160. A single asteroidal source for extraterrestrial Ordovician chromite grains from Sweden and China: High-precision oxygen three-isotope SIMS analysis

    Article • Geochimica et Cosmochimica Acta, January 2010, Elsevier

    Professor John Valley

  161. Metasomatic origin of diamonds in the world's largest diamondiferous eclogite

    Article • Lithos, November 2009, Elsevier

    Professor John Valley

  162. Multiple origins of zircons in jadeitite

    Article • Contributions to Mineralogy and Petrology, October 2009, Springer Science + Business Media

    Professor Tatsuki Tsujimori, Professor John Valley

  163. Silicon isotopic fractionation of CAI-like vacuum evaporation residues

    Article • Geochimica et Cosmochimica Acta, October 2009, Elsevier

    Professor John Valley

  164. Isotopic fractionation of the major elements of molten basalt by chemical and thermal diffusion

    Article • Geochimica et Cosmochimica Acta, July 2009, Elsevier

    Professor John Valley

  165. Primitive oxygen-isotope ratio recorded in magmatic zircon from the Mid-Atlantic Ridge

    Article • American Mineralogist, June 2009, Mineralogical Society of America

    Professor John Valley

  166. High precision SIMS oxygen isotope analysis and the effect of sample topography

    Article • Chemical Geology, June 2009, Elsevier

    Professor John Valley

  167. Fault-related oceanic serpentinization in the Troodos ophiolite, Cyprus: Implications for a fossil oceanic core complex

    Article • Earth and Planetary Science Letters, May 2009, Elsevier

    Professor John Valley

  168. An alkaline spring system within the Del Puerto Ophiolite (California, USA): A Mars analog site

    Article • Planetary and Space Science, May 2009, Elsevier

    Professor John Valley

  169. A novel symbiosis between chemoautotrophic bacteria and a freshwater cave amphipod

    Article • The ISME Journal, April 2009, Oxford University Press (OUP)

    Professor Jennifer L. Macalady, Professor John Valley

  170. Combined U–Pb, hafnium and oxygen isotope analysis of zircons from meta-igneous rocks in the southern North China Craton reveal multiple events in the Late Mesoarchean–Early Neoarchean

    Article • Chemical Geology, April 2009, Elsevier

    Professor John Valley

  171. Sub-micron scale distributions of trace elements in zircon

    Article • Contributions to Mineralogy and Petrology, February 2009, Springer Science + Business Media

    Professor John Valley

  172. Crustal evolution and recycling in a juvenile continent: Oxygen isotope ratio of zircon in the northern Arabian Nubian Shield

    Article • Lithos, February 2009, Elsevier

    Professor John Valley

  173. Distinguishing magmatic zircon from hydrothermal zircon: A case study from the Gidginbung high-sulphidation Au–Ag–(Cu) deposit, SE Australia

    Article • Chemical Geology, February 2009, Elsevier

    Professor John Valley

  174. Climate deterioration in the Eastern Mediterranean as revealed by ion microprobe analysis of a speleothem that grew from 2.2 to 0.9 ka in Soreq Cave, Israel

    Article • Quaternary Research, January 2009, Cambridge University Press

    Professor John Valley

  175. Intratest oxygen isotope variability in the planktonic foraminifer N. pachyderma: Real vs. apparent vital effects by ion microprobe

    Article • Chemical Geology, January 2009, Elsevier

    Professor John Valley

  176. Genesis of metapelitic migmatites in the Adirondack Mountains, New York

    Article • Journal of Metamorphic Geology, December 2008, Wiley

    Professor John Valley

  177. The origin, cooling and alteration of A-type granites in southern Israel (northernmost Arabian–Nubian shield): a multi-mineral oxygen isotope study

    Article • Geological Magazine, October 2008, Cambridge University Press

    Professor John Valley

  178. Evidence from polymict ureilite meteorites for a disrupted and re-accreted single ureilite parent asteroid gardened by several distinct impactors

    Article • Geochimica et Cosmochimica Acta, October 2008, Elsevier

    Professor John Valley

  179. Chondrulelike Objects in Short-Period Comet 81P/Wild 2

    Article • Science, September 2008, American Association for the Advancement of Science

    Professor John Valley

  180. Zircon M257 ‐ a Homogeneous Natural Reference Material for the Ion Microprobe U‐Pb Analysis of Zircon

    Article • Geostandards and Geoanalytical Research, September 2008, Wiley

    Professor John Valley

  181. Isotopic and trace element constraints on the petrogenesis of lavas from the Mount Adams volcanic field, Washington

    Article • Contributions to Mineralogy and Petrology, August 2008, Springer Science + Business Media

    Professor John Valley

  182. Lithium in Jack Hills zircons: Evidence for extensive weathering of Earth's earliest crust

    Article • Earth and Planetary Science Letters, August 2008, Elsevier

    Professor John Valley

  183. Oxygen isotope evidence for magmatic variability and multiple alteration events in the Proterozoic St. Francois Mountains, Missouri

    Article • Precambrian Research, August 2008, Elsevier

    Professor John Valley

  184. Dynamic Magma Systems, Crustal Recycling, and Alteration in the Central Sierra Nevada Batholith: the Oxygen Isotope Record

    Article • Journal of Petrology, June 2008, Oxford University Press (OUP)

    Professor John Valley

  185. Diamondiferous xenoliths from crustal subduction: garnet oxygen isotopes from the Nyurbinskaya pipe, Yakutia

    Article • European Journal of Mineralogy, May 2008, Schweizerbart

    Professor John Valley

  186. SHRIMP U-Pb and CAMECA 1280 oxygen isotope results from ancient detrital zircons in the Caozhuang quartzite, Eastern Hebei, North China Craton: Evidence for crustal reworking 3.8 Ga ago

    Article • American Journal of Science, March 2008, American Journal of Science (AJS)

    Professor John Valley

  187. Creation of a continent recorded in zircon zoning

    Article • Geology, January 2008, Geological Society of America

    Professor John Valley

  188. The Origin of Habitats

    Article • Geology, January 2008, Geological Society of America

    Professor John Valley

  189. Origin and Evolution of Silicic Magmatism at Yellowstone Based on Ion Microprobe Analysis of Isotopically Zoned Zircons

    Article • Journal of Petrology, December 2007, Oxford University Press (OUP)

    Professor John Valley

  190. Diary of a bluegill (Lepomis macrochirus): daily δ13C and δ18O records in otoliths by ion microprobe

    Article • Canadian Journal of Fisheries and Aquatic Sciences, December 2007, Canadian Science Publishing

    Professor John Valley

  191. The effects of metamorphism on O and Fe isotope compositions in the Biwabik Iron Formation, northern Minnesota

    Article • Contributions to Mineralogy and Petrology, September 2007, Springer Science + Business Media

    Professor John Valley

  192. Interrelations between coeval mafic and A-type silicic magmas from composite dykes in a bimodal suite of southern Israel, northernmost Arabian–Nubian Shield: Geochemical and isotope constraints

    Article • Lithos, September 2007, Elsevier

    Professor John Valley

  193. Oxygen‐isotope and trace element constraints on the origins of silica‐rich melts in the subarc mantle

    Article • Geochemistry Geophysics Geosystems, September 2007, American Geophysical Union (AGU)

    Professor John Valley

  194. Zircons from kimberlite: New insights from oxygen isotopes, trace elements, and Ti in zircon thermometry

    Article • Geochimica et Cosmochimica Acta, August 2007, Elsevier

    Professor John Valley

  195. Strontium and oxygen isotopic evidence for strike/slip movement of accreted terranes in the Idaho Batholith

    Article • Lithos, July 2007, Elsevier

    Professor John Valley

  196. Petrogenesis of A-type granites and origin of vertical zoning in the Katharina pluton, Gebel Mussa (Mt. Moses) area, Sinai, Egypt

    Article • Lithos, May 2007, Elsevier

    Professor John Valley

  197. New constraints on metamorphic history of Adirondack diopsides (New York, U.S.A.): Al and  18O profiles

    Article • American Mineralogist, April 2007, Mineralogical Society of America

    Professor John Valley

  198. Radiation damage and alteration of zircon from a 3.3 Ga porphyritic granite from the Jack Hills, Western Australia

    Article • Chemical Geology, January 2007, Elsevier

    Professor John Valley

  199. Oxygen isotope constraints on the origin and differentiation of the Moon

    Article • Earth and Planetary Science Letters, January 2007, Elsevier

    Professor John Valley

  200. Correlated microanalysis of zircon: Trace element, δ18O, and U–Th–Pb isotopic constraints on the igneous origin of complex >3900Ma detrital grains

    Article • Geochimica et Cosmochimica Acta, November 2006, Elsevier

    Professor John Valley

  201. U–Pb zircon geochronology of silicic tuffs from the Timber Mountain/Oasis Valley caldera complex, Nevada: rapid generation of large volume magmas by shallow-level remelting

    Article • Contributions to Mineralogy and Petrology, October 2006, Springer Science + Business Media

    Professor John Valley

  202. Origin of silicic magmas along the Central American volcanic front: Genetic relationship to mafic melts

    Article • Journal of Volcanology and Geothermal Research, September 2006, Elsevier

    Professor John Valley

  203. Early Earth

    Article • Elements, August 2006, Mineralogical Society of America

    Professor John Valley

  204. Deciphering the source and contamination history of peraluminous magmas using δ18O of accessory minerals: examples from garnet-bearing plutons of the Sierra Nevada batholith

    Article • Contributions to Mineralogy and Petrology, December 2005, Springer Science + Business Media

    Professor John Valley

  205. 4.4 billion years of crustal maturation: oxygen isotope ratios of magmatic zircon

    Article • Contributions to Mineralogy and Petrology, November 2005, Springer Science + Business Media

    Professor John Valley

  206. A Cool Early Earth?

    Article • Scientific American A Matter of Time, October 2005, Springer Science + Business Media

    Professor John Valley

  207. Supracrustal input to magmas in the deep crust of Sierra Nevada batholith: Evidence from high-O zircon

    Article • Earth and Planetary Science Letters, June 2005, Elsevier

    Professor John Valley

  208. Pressure, temperature, and composition history of syntectonic fluids in a low-grade metamorphic terrane

    Article • Geology, January 2005, Geological Society of America

    Professor John Valley

  209. Internal zoning and U–Th–Pb chemistry of Jack Hills detrital zircons: a mineral record of early Archean to Mesoproterozoic (4348–1576Ma) magmatism

    Article • Precambrian Research, December 2004, Elsevier

    Professor John Valley

  210. Nanoscale occurrence of Pb in an Archean zircon

    Article • Geochimica et Cosmochimica Acta, November 2004, Elsevier

    Professor John Valley

  211. Direct dating of Adirondack massif anorthosite by U-Pb SHRIMP analysis of igneous zircon: Implications for AMCG complexes

    Article • Geological Society of America Bulletin, November 2004, Geological Society of America

    Professor John Valley

  212. Quartz–garnet isotope thermometry in the southern Adirondack Highlands (Grenville Province, New York)

    Article • Journal of Metamorphic Geology, October 2004, Wiley

    Professor John Valley

  213. An experimental and theoretical determination of oxygen isotope fractionation in the system magnetite-H2O from 300 to 800°C

    Article • Geochimica et Cosmochimica Acta, September 2004, Elsevier

    Professor John Valley

  214. Evidence of subduction and crust–mantle mixing from a single diamond

    Article • Lithos, September 2004, Elsevier

    Professor John Valley

  215. Improved 206Pb/238U microprobe geochronology by the monitoring of a trace-element-related matrix effect; SHRIMP, ID–TIMS, ELA–ICP–MS and oxygen isotope documentation for a series of zircon standards

    Article • Chemical Geology, April 2004, Elsevier

    Professor John Valley

  216. Volcanic arc of Kamchatka: a province with high-δ18O magma sources and large-scale 18O/16O depletion of the upper crust

    Article • Geochimica et Cosmochimica Acta, February 2004, Elsevier

    Professor John Valley

  217. Complex patterns of fluid flow during wollastonite formation in calcareous sandstones at Laurel Mountain, Mt. Morrison Pendant, California

    Article • Geological Society of America Bulletin, January 2004, Geological Society of America

    Professor John Valley

  218. Oxygen isotope trends of granitic magmatism in the Great Basin: Location of the Precambrian craton boundary as reflected in zircons

    Article • Geological Society of America Bulletin, January 2004, Geological Society of America

    Professor John Valley

  219. Oxygen-isotope constraints on terrane boundaries and origin of 1.18–1.13 Ga granitoids in the southern Grenville Province

    Article • January 2004, Geological Society of America

    Professor John Valley

  220. Compensation of charging in X-PEEM: a successful test on mineral inclusions in 4.4Ga old zircon

    Article • Ultramicroscopy, December 2003, Elsevier

    Professor John Valley

  221. Oscillatory zoning in garnet from the Willsboro Wollastonite Skarn, Adirondack Mts, New York: a record of shallow hydrothermal processes preserved in a granulite facies terrane

    Article • Journal of Metamorphic Geology, September 2003, Wiley

    Professor John Valley

  222. Petrogenesis of group?A eclogites and websterites: evidence from the Obnazhennaya kimberlite, Yakutia

    Article • Contributions to Mineralogy and Petrology, July 2003, Springer Science + Business Media

    Dr Mahesh Anand, Professor John Valley

  223. Extreme crustal oxygen isotope signatures preserved in coesite in diamond

    Article • Nature, May 2003, Springer Science + Business Media

    Professor John Valley

  224. Rapid generation of both high- and low-δ18O, large-volume silicic magmas at the Timber Mountain/Oasis Valley caldera complex, Nevada

    Article • Geological Society of America Bulletin, May 2003, Geological Society of America

    Professor John Valley

  225. Isotopic alteration of mammalian tooth enamel

    Article • International Journal of Osteoarchaeology, January 2003, Wiley

    Professor John Valley

  226. Oxygen isotope constraints on fluid infiltration associated with high-temperature-low-pressure metamorphism (Chugach metamorphic complex) within the Eocene Southern Alaska forearc

    Article • January 2003, Geological Society of America

    Professor John Valley

  227. Geochemistry of xenolithic eclogites from West Africa, part 2: origins of the high MgO eclogites

    Article • Geochimica et Cosmochimica Acta, December 2002, Elsevier

    Professor John Valley

  228. δ18O and yttrium zoning in garnet: time markers for fluid flow?

    Article • Journal of Metamorphic Geology, June 2002, Wiley

    Professor John Valley

  229. Archean Protolith and Accretion of Crust in Kamchatka: SHRIMP Dating of Zircons from Sredinny and Ganal Massifs

    Article • The Journal of Geology, May 2002, University of Chicago Press

    Professor John Valley

  230. Two populations of carbonate in ALH84001: geochemical evidence for discrimination and genesis

    Article • Geochimica et Cosmochimica Acta, April 2002, Elsevier

    Professor John Valley

  231. Oxygen and neodymium isotope evidence for recycling of juvenile crust in northeast China

    Article • Geology, January 2002, Geological Society of America

    Professor John Valley

  232. Low- δ 18 O tephra from a compositionally zoned magma body: Fisher Caldera, Unimak Island, Aleutians

    Article • Journal of Volcanology and Geothermal Research, November 2001, Elsevier

    Professor John Valley

  233. Oceanic and orogenic fluid–rock interaction in 18O/16O-enriched metagabbros of an ophiolite (Tinos, Cyclades)

    Article • Earth and Planetary Science Letters, November 2001, Elsevier

    Professor John Valley

  234. Oxygen isotope ratios and rare earth elements in 3.3 to 4.4 Ga zircons: Ion microprobe evidence for high δ 18 O continental crust and oceans in the Early Archean

    Article • Geochimica et Cosmochimica Acta, November 2001, Elsevier

    Professor John Valley

  235. Empirical determination of oxygen isotope fractionation factors for titanite with respect to zircon and quartz

    Article • Geochimica et Cosmochimica Acta, September 2001, Elsevier

    Professor John Valley

  236. Post-caldera volcanism: in situ measurement of U–Pb age and oxygen isotope ratio in Pleistocene zircons from Yellowstone caldera

    Article • Earth and Planetary Science Letters, July 2001, Elsevier

    Professor John Valley

  237. Geochemistry of xenolithic eclogites from West Africa, part I: A link between low MgO eclogites and archean crust formation

    Article • Geochimica et Cosmochimica Acta, May 2001, Elsevier

    Professor John Valley

  238. Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago

    Article • Nature, January 2001, Springer Science + Business Media

    Professor John Valley

  239. Oxygen isotope ratios of zircon: magma genesis of low δ18O granites from the British Tertiary Igneous Province, western Scotland

    Article • Earth and Planetary Science Letters, January 2001, Elsevier

    Professor John Valley

  240. Very high temperature, moderate pressure metamorphism in the New Russia gneiss comple×, northeastern Adirondack Highlands, metamorphic aureole to the Marcy anorthosite: Discussion

    Article • Canadian Journal of Earth Sciences, January 2001, Canadian Science Publishing

    Professor John Valley

  241. Coesite eclogites from the Roberts Victor kimberlite, South Africa

    Article • Lithos, October 2000, Elsevier

    Professor John Valley

  242. The relative timing of serpentinisation and mantle exhumation at the ocean–continent transition, Iberia: constraints from oxygen isotopes

    Article • Earth and Planetary Science Letters, May 2000, Elsevier

    Professor John Valley

  243. Oxygen isotope perspective on Precambrian crustal growth and maturation

    Article • Geology, January 2000, Geological Society of America

    Professor John Valley

  244. Oxygen isotope ratios of Archean plutonic zircons from granite–greenstone belts of the Superior Province: indicator of magmatic source

    Article • Precambrian Research, December 1998, Elsevier

    Professor John Valley

  245. Variability in oxygen isotope compositions of herbivore teeth: reflections of seasonality or developmental physiology?

    Article • Chemical Geology, October 1998, Elsevier

    Professor John Valley

  246. Oxygen isotope diffusion and zoning in diopside: the importance of water fugacity during cooling

    Article • Geochimica et Cosmochimica Acta, July 1998, Elsevier

    Professor John Valley

  247. Oxygen isotope evidence for slab-derived fluids in the sub-arc mantle

    Article • Nature, June 1998, Springer Science + Business Media

    Professor John Valley

  248. Oxygen isotope geochemistry of the amphiboles: isotope effects of cation substitutions in minerals

    Article • Geochimica et Cosmochimica Acta, June 1998, Elsevier

    Professor John Valley

  249. Hydrothermal alteration of oxygen isotope ratios in quartz phenocrysts, Kidd Creek mine, Ontario: Magmatic values preserved in zircons

    Article • Geology, January 1998, Geological Society of America

    Professor John Valley

  250. Low-Temperature Carbonate Concretions in the Martian Meteorite ALH84001: Evidence from Stable Isotopes and Mineralogy

    Article • Science, March 1997, American Association for the Advancement of Science

    Professor John Valley

  251. Hydrothermal alteration of oxygen isotope ratios in quartz phenocrysts, Kidd Creek mine, Ontario: Magmatic values are preserved in zircon

    Article • Geology, January 1997, Geological Society of America

    Professor John Valley

  252. Ion microprobe analysis of 18O/16O in authigenic and detrital quartz in the St. Peter Sandstone, Michigan Basin and Wisconsin Arch, USA: Contrasting diagenetic histories

    Article • Geochimica et Cosmochimica Acta, December 1996, Elsevier

    Professor John Valley

  253. Herbivore tooth oxygen isotope compositions: Effects of diet and physiology

    Article • Geochimica et Cosmochimica Acta, October 1996, Elsevier

    Professor John Valley

  254. Ion microprobe evidence for the mechanisms of stable isotope retrogression in high-grade metamorphic rocks

    Article • Contributions to Mineralogy and Petrology, January 1995, Springer Science + Business Media

    Professor John Valley

  255. How wet is the Earth's crust?

    Article • Nature, September 1994, Springer Science + Business Media

    Professor John Valley

  256. Geology and geochemistry of volcanogenic massive sulfide deposits and related igneous rocks, Prince William Sound, south-central Alaska; reply

    Article • Economic Geology, August 1993, Society of Economic Geologists

    Professor John Valley

  257. Resetting of oxybarometers and oxygen isotope ratios in granulite facies orthogneisses during cooling and shearing, Adirondack Mountains, New York

    Article • Contributions to Mineralogy and Petrology, February 1993, Springer Science + Business Media

    Professor John Valley

  258. Stable isotope evidence for magmatic fluids in the Pueblo Viejo epithermal acid sulfate Au-Ag deposit, Dominican Republic

    Article • Economic Geology, February 1993, Society of Economic Geologists

    Professor John Valley

  259. Intercrystalline stable isotope diffusion: a fast grain boundary model

    Article • Contributions to Mineralogy and Petrology, December 1992, Springer Science + Business Media

    Professor John Valley

  260. Geology and geochemistry of volcanogenic massive sulfide deposits and related igneous rocks, Prince William Sound, south-central Alaska

    Article • Economic Geology, November 1992, Society of Economic Geologists

    Professor John Valley

  261. Oxygen-isotope geochemistry of the Scourian complex, northwest Scotland

    Article • Journal of the Geological Society, January 1992, Geological Society

    Professor John Valley

  262. Prograde and retrograde fluid-rock interaction in calc-silicates northwest of the Idaho batholith: stable isotopic evidence

    Article • Contributions to Mineralogy and Petrology, July 1991, Springer Science + Business Media

    Professor John Valley

  263. Fluid inclusions in Adirondack granulites: Implications for the retrograde P-T path

    Article • Contributions to Mineralogy and Petrology, June 1991, Springer Science + Business Media

    Dr. Will Lamb, Professor John Valley

  264. Low-18O Scourie dike magmas from the Lewisian complex, northwestern Scotland

    Article • Geology, January 1991, Geological Society of America

    Professor John Valley

  265. Deep drilling at the Siljan Ring impact structure: oxygen-isotope geochemistry of granite

    Article • Contributions to Mineralogy and Petrology, October 1990, Springer Science + Business Media

    Professor John Valley

  266. Metamorphism in the Adirondacks: II. The Role of Fluids

    Article • Journal of Petrology, June 1990, Oxford University Press (OUP)

    Dr. Will Lamb, Professor John Valley

  267. Origin of graphite in the Pickering gneiss and the Franklin marble, Honey Brook Upland, Pennsylvania Piedmont

    Article • Geological Society of America Bulletin, June 1990, Geological Society of America

    Professor John Valley

  268. Stable isotopic evidence of salinity change: Influence on the evolution of melanopsid gastropods in the late Miocene Pannonian basin

    Article • Geology, January 1989, Geological Society of America

    Professor John Valley

  269. Granulite facies amphibole and biotite equilibria, and calculated peak-metamorphic water activities

    Article • Contributions to Mineralogy and Petrology, November 1988, Springer Science + Business Media

    Dr. Will Lamb, Professor John Valley

  270. Contamination of the Marcy Anorthosite Massif, Adirondack Mountains, NY: petrologic and isotopic evidence

    Article • Contributions to Mineralogy and Petrology, January 1988, Springer Science + Business Media

    Professor John Valley

  271. Fluid-inclusion evidence for impact heating at the Siljan Ring, Sweden

    Article • Geology, January 1988, Geological Society of America

    Professor John Valley

  272. Post-granulite facies fluid infiltration in the Adirondack Mountains

    Article • Geology, January 1988, Geological Society of America

    Professor John Valley

  273. Post-metamorphic CO2-rich fluid inclusions in granulites

    Article • Contributions to Mineralogy and Petrology, January 1987, Springer Science + Business Media

    Dr. Will Lamb, Professor John Valley

  274. Metamorphism in the Adirondacks. I. Petrology, Pressure and Temperature

    Article • Journal of Petrology, November 1985, Oxford University Press (OUP)

    Professor John Valley

  275. Ternary feldspar thermometry in granulites from the Oaxacan Complex, Mexico

    Article • Contributions to Mineralogy and Petrology, April 1985, Springer Science + Business Media

    Professor John Valley

  276. Metamorphism of reduced granulites in low-CO2 vapour-free environment

    Article • Nature, November 1984, Springer Science + Business Media

    Dr. Will Lamb, Professor John Valley

  277. Fluid heterogeneity during granulite facies metamorphism in the Adirondacks: stable isotope evidence

    Article • Contributions to Mineralogy and Petrology, February 1984, Springer Science + Business Media

    Professor John Valley

  278. Metamorphic fluids in the deep crust: evidence from the Adirondacks

    Article • Nature, January 1983, Springer Science + Business Media

    Dr. Will Lamb, Professor John Valley

  279. Oxygen isotope evidence for shallow emplacement of Adirondack anorthosite

    Article • Nature, December 1982, Springer Science + Business Media

    Professor John Valley

  280. An analytical electron microscopic study of a pyroxene-amphibole intergrowth

    Article • Contributions to Mineralogy and Petrology, January 1981, Springer Science + Business Media

    Professor John Valley

  281. Calc-Silicate Reactions in Adirondack Marbles: The Role of Fluids and Solid Solutions

    Article • Geological Society of America Bulletin, February 1980, Geological Society of America

    Professor John Valley

  282. Akermanite in the Cascade Slide xenolith and its significance for regional metamorphism in the Adirondacks

    Article • Contributions to Mineralogy and Petrology, January 1980, Springer Science + Business Media

    Professor John Valley

  283. Calc-silicate reactions in Adirondack marbles: The role of fluids and solid solutions: Summary

    Article • Geological Society of America Bulletin, January 1980, Geological Society of America

    Professor John Valley

  284. Comment and reply on ‘Evaporites as precursors of massif anorthosite’

    Article • Geology, January 1978, Geological Society of America

    Professor John Valley

  285. Archean Environments

    Article • Springer Science + Business Media

    Professor John Valley