Год выпуска: 2002 Автор: Richard G. Klein Издательство: Wiley Страниц: 288 ISBN: 0471252522
Описание
"High above the western shore of Lake Naivasha, a blue pool on the parched floor of East Africa’s Great Rift Valley, sits a small rockshelter carved into the Mau Escarpment. Maasai pastoralists who once occupied this region in central Kenya called the place Enkapune Ya Muto, or ‘Twilight Cave.’ People have long sought shelter there. The cave’s sediments record important cultural changes during the past few thousand years, including the first local experiments with agriculture and with sheep and goat domestication. Buried more than three meters deep in the sand, silt, and loam at Enkapune Ya Muto, however, lie the traces of an earlier and even more significant event in human prehistory. Tens of thousands of pieces of obsidian, a jet-black volcanic glass, were long ago fashioned into finger-length knives with scalpel-sharp edges, thumbnail-sized scrapers, and other stone tools, made on the spot at an ancient workshop. But what most impressed archeologist Stanley Ambrose were nearly six...
