The wood remains were recovered from volcanic ash dated to 2.4 million years and were identified as Populus and Pinus . Middle Palaeolithic Sites in the Paleru Valley, Prakasam District, Andhra Pradesh. V.V. Madhusudhana Rao. An account of the lithic assemblage obtained from seven Middle Palaeolithic sites in the Paleru valley is presented here. The author concludes that they are found in sandy and unconsolidated sediments.
Tools are on quartizites with a few on quartz.
Scrapers predominate, followed by points, borers, handaxes, etc. The industry resembles those from other adjacent regions, in particular those from Karnataka and Maharashtra. An Upper Palaeolithic Phase in the Upper Mahanadi Valley, Madhya Pradesh. Jiwaji University, Gwalior. A report on the discovery of four Upper Palaeolithic sites is put forward here.