On the Plio-Pleistocene boundary in North-West India

Abstract

The problem of the delimitation of the boundary in the N.W. India is discussed in the light of the recent developments in the concept of demarcating this critical horizon. The suggested position of this boundary is largely based upon the biological evidence with subsequent climatic indication. The boundary is not found to be synchronous with the glacial epoch, rather it precedes it. The paper suggests the placing of the boundary at the base of the Pinjor stage in the Upper Siwaliks and towards the bottom of stratigraphical zone 1 (after De Terra and Paterson) of the Lower Karewas.