by Fred Wendorf, Romuald Schild and Angela E. Close INTRODUCTION roughly contemporaneous with the later part of Isotope Stage 7; most sites occur in sediments dated between 100 The Middle Paleolithic is potentially one of the most and 130 ka and fall early in the Last Interglacial; the most interesting periods in human history. It marks a major recent Middle Paleolithic site dates between 70 and 80 ka. at break from the long period of the Lower Paleolithic when the end of the Last Interglacial. there was essentially no change for several hundreds of thousands of years, and it was during the Middle THE MODERN ENVIRONMENT Paleolithic, and probably early in that stage, that the The two depressions of Bir Tarfawi and Bir Sahara East are modem form of human being first appeared in Africa (Stringer and Andrews 1988). We do not know whether the near the center of the southern Libyan Desert. They are earliest modem Africans behaved differently from Middle about 350 km southwest of Kharga Oasis, and the same Paleolithic people elsewhere in the world and of different distance west and slightly north of Abu Simbel, at 22 Degrees55'N, physical types, but we should find out. A study of human 28 Degrees45'E.

by Fred Wendorf and Romuald Schild The Eastern Sahara is a fascinating place to study structures. These larger, more complex sites are almost prehistory. Confronted with the stark reality of a hyper always in the lower parts of large basins, most of which arid environment that receives no measurable rainfall, were formed by deflation during the Late Pleistocene lacks vegetation, and is seemingly without life, it would hyper-arid interval between about 65,000 and 13,000 seem to be an unlikely place to find a rich and complex years ago. Their location near the floor of these basins mosaic of archaeological remains documenting past was influenced primarily by one factor - water. During human presence. Despite this impression of a hostile wet phases, runoff from extensive catchment areas environment, there is widespread and abundant caused the development of large, deep, seasonal lakes, archaeological evidence. or playas, in the lowermost parts of these basins. This It is obvious that this area was not always a lifeless surface water would last for several weeks or months desert. Faunal and plant remains found in the excavations after the seasonal rains, and by digging wells after the at Holocene-age settlements, dating between 9500 and playa became dry, water could still be obtained during 5000 radiocarbon years ago, indicate that rainfall during most, if not all, of the dry season.

Contributing Authors Include Ralph A. Luebben, David Brugge, Albert H. Schroeder, And Others.

University Of Arizona Bulletin, V21, No. 3, July, 1950. Social Science Bulletin No. 19.

Contributing Authors Include Ralph A. Luebben, David Brugge, Albert H. Schroeder, And Others.

by Fred Wendorf and Romuald Schild The Eastern Sahara is a fascinating place to study structures. These larger, more complex sites are almost prehistory. Confronted with the stark reality of a hyper always in the lower parts of large basins, most of which arid environment that receives no measurable rainfall, were formed by deflation during the Late Pleistocene lacks vegetation, and is seemingly without life, it would hyper-arid interval between about 65,000 and 13,000 seem to be an unlikely place to find a rich and complex years ago. Their location near the floor of these basins mosaic of archaeological remains documenting past was influenced primarily by one factor - water. During human presence. Despite this impression of a hostile wet phases, runoff from extensive catchment areas environment, there is widespread and abundant caused the development of large, deep, seasonal lakes, archaeological evidence. or playas, in the lowermost parts of these basins. This It is obvious that this area was not always a lifeless surface water would last for several weeks or months desert. Faunal and plant remains found in the excavations after the seasonal rains, and by digging wells after the at Holocene-age settlements, dating between 9500 and playa became dry, water could still be obtained during 5000 radiocarbon years ago, indicate that rainfall during most, if not all, of the dry season.