It states that layers of sediment are originally deposited horizontally due to the effects of gravity.
Homo ergaster may have been the first human species to leave Africa and fossil remains show this species had expanded its range into southern Eurasia by 1.75 million years ago. Their descendents, Homo erectus, then spread eastward and were established in South East Asia by at least 1.6 million years ago.Oct 30, 2015
Weathering,Erosion,Deposition
It is in the Texas Blackland Prairies.
