Abstract

Subdivision of the Gaj formation (Miocene) of India on the basis of species of Ostrea has proved unsatisfactory because these species are now known to have longer ranges. On the basis of foraminifers, which have been studied in the Surat-Broach and Kathiawar areas, a correlation of Miocene beds of western India with those of Ceylon is suggested. A table shows the distribution of foraminifers common to western India, Ceylon, Indonesia, and the Middle East in the Aquitanian and Miocene.

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