Gupta, Anil K. ; Srinivasan, M. S. (1996) Multivariate analysis of Pliocene-Pleistocene benthic foraminifera from DSDP site 214, Eastern Indian Ocean: paleoceanic and paleoclimatic implications Contrs. XV Indian Cotioq. Micropal. Stmt, Dehra Dun . No pp. given..
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Abstract
This study attempts to quantitatively analyse Pliocene- Pleistocene benfhic foraminifera from 61 samples from Deep Sea Drilling Project (DSDP) site 214, eastern Indian Ocean. R-mode factor analysis of percentage abundance data of 38 highly ranked species has enabled to recognize S environmentally significant species assemblages. Assemblage I is characterized by Cibicides wuelkrstorfi I'uliema bulloides, Uvigerina hispido-costata, Gavelinopsis lobatulus. Cibicides bradyi, Globocassidulina pacifica, and Stihs lamella kpidula. This assemblage is indicative of well-oxygenated, food-iim ited, and high energy deep water conditions.(Assemblage 2) -a high productivity assemblage includes I ivigerina proboscidea, Chrysalogonium equisetiformb, and Oridorsalis umbonalus. Assemblage 3 is defined by Astrononion umbilicaiidum. Ehrenhergina carinata, Globocassidulina subglobosa.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Contrs. XV Indian Cotioq. Micropal. Stmt, Dehra Dun. |
| ID Code: | 89862 |
| Deposited On: | 02 May 2012 13:20 |
| Last Modified: | 02 May 2012 13:20 |
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