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Sedimentation in Three Carbonate Cores
Peter J. Wangersky
The Journal of Geology
Vol. 70, No. 3 (May, 1962), pp. 364-375
Published by: The University of Chicago Press
Stable URL: http://www.jstor.org/stable/30059238
Page Count: 12
You can always find the topics here!Topics: Manganese, Sediments, Carbonates, Magnesium, Calcium, Geology, Oceans, Radiocarbon dating, Glacial landforms, Titanium
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Two high-carbonate sediment cores from the mid-Atlantic and one from the Caribbean were analyzed for major constituents by wet-chemical methods. All major constituents appeared to have been deposited at a greater rate during glacial times than during the post-glacial period. The elements involved in clay sedimentation showed a sharp increase in deposition rate at the end of the last glaciation. In the Atlantic cores, manganese showed evidence of post-depositional rearrangement. In the Caribbean core, both manganese and magnesium are inversely correlated with paleotemperature and presumably were deposited to a large extent by the same mechanism.
The Journal of Geology © 1962 The University of Chicago Press