What is it about?
The age and source of the Lapur Sandstone in the Turkana Basin is vague. The formation of the Turkana Basin is generally linked to the development of the pre-Eocene East Africa Rift System. We have shown for the first time that the Lapur Sandstone is younger than previously accepted, and its sediments were mainly sourced from the Mozambique Belt underlying most of Kenya.
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Why is it important?
The new maximum depositional age from this study for the upper part of the Lapur Sandstone shows that the Lapur may actually consist of two distinct units.
Perspectives
Paleocene age zircon grains within the Lapur Sandstone suggest there may be an older pre-Eocene volcanic source beneath the East African Rift System.
Prince Owusu Agyemang
James Cook University
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This page is a summary of: Sedimentary provenance and maximum depositional age analysis of the Cretaceous? Lapur and Muruanachok sandstones (Turkana Grits), Turkana Basin, Kenya, Geological Magazine, December 2018, Cambridge University Press,
DOI: 10.1017/s0016756818000663.
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