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Radiometric ages of phosphorites from the west coast of India

DRS at CSIR-National Institute of Oceanography

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Title Radiometric ages of phosphorites from the west coast of India
 
Creator Borole, D.V.
Rajagopalan, G.
Somayajulu, B.L.K.
 
Subject Geology and Geophysics
phosphorite
radiometric dating
ISW, India, West Coast
 
Description Four algal carbonate nodules with approx 1 mm thick phosphorite coatings were dated, by the 230Th/234U and three of the carbonates by 14C methods. All ages (5.8-13.9 k.y) are in satisfactory agreement indicating that phosphorite deposition started soon after the carbonate nodule formation. The U, Th concentrations and isotopic ratios as well as the U/P weight ratios of the phosphorite coatings are in good agreement with those from other regions of the world
 
Date 1995-06-20T10:01:32Z
2017-09-29T13:48:13Z
1995-06-20T10:01:32Z
2017-09-29T13:48:13Z
1987
 
Type Journal Article
 
Identifier Marine Geology, vol.78; 1987; 161-165
0025-3227
http://drs.nio.org/drs/handle/2264/6096
 
Language en
 
Relation Mar Geol
SCI
 
Publisher Elsevier