Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

R. Shukla ¹, S. K. Kar ¹

Affiliations
1 Geological Survey of India, IN

Abstract

A clay bed is exposed near Garjia (Ramnagar) in the Nainital district of UP at the base of a gravel sequence akin to the Upper Siwalik Boulder Bed. Its principal clay constituent is represented by the smectite group of minerals of bentonitic composition derived from a volcanic source of silicic pyroclastic material. The clay shows similarity with the Toba ash.

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