Prehistory and Protohistory in India and Pakistan c7.s17.24

c7.s17.24

is stained blackish owing to manganese, while parts of stones and tools are deeply patinated. Thus the latter has all the features of an older and original gravel deposit, while the former might be a re-deposit. If this is so, then we may explain the formation of two gravel sections as follows: During the first wet phase and the succeeding dry one, the pebble gravel with a comparatively thick silt deposit was laid. This forms the top of the terrace, as we walk over the back of the Padan Hill, and continues southwards to the higher ground, or higher reaches of the nala. Here naturally the thickness of the deposit, as found by us, is nearly 15 ft. or more.