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|Title:||Ooids in Deep Sea Core from the Western Continental Margin of India|
Guptha, M V S
|Abstract:||Ooids occur at 520 and 640 cm sediment depths in a deep sea core taken from a water depth of 3085 m from Arabian Sea. CaCO3 content of the bulk sediments in these oolitic sections at c. 520 and 640 cm is 58 and 72U+0025 respectively. Ooids show an excess of 50U+0025 Sr compared to marine aragonitic deposits. U-Th series radionuclide data on the separated ooids from 63 mu m fraction appear to suggest that they are younger than 25,000 y. They also show 1.2 plus or minus 0.2 dpm g-1 excess of 236Ra over that of 230Th. Transportation of these ooids from relatively shallower depths to the present location due to slumping of the sediments is envisaged.|
|ISSN:||0975-1033 (Online); 0379-5136 (Print)|
|Appears in Collections:||IJMS Vol.14(3) [September 1985]|
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