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pro vyhledávání: '"Mary Katherine Crombie"'
Publikováno v:
Palaeogeography, Palaeoclimatology, Palaeoecology. 130:337-355
North Africa has undergone drastic climatic changes over the past several hundred thousand years. The timing of humid intervals called pluvials was investigated by uranium-series disequilibrium dating of travertines from the Kurkur Oasis, Western Des
Autor:
Zeinhom El Alfy, Neil C. Sturchio, Mohamed Sultan, Mary Katherine Crombie, Wei Luo, Richard Becker, Raymond E. Arvidson
Publikováno v:
Geological Society of America Bulletin. 109:43-62
Depressions of the Western Desert of Egypt (specifically, Kharga, Farafra, and Kurkur regions) are mainly occupied by shales that are impermeable, but easily erodible by rainfall and runoff, whereas the surrounding plateaus are composed of limestones
Autor:
Peter N. Peregrine, Melvin Ember
The Encyclopedia of Prehistory represents also defined by a somewhat different set of an attempt to provide basic information sociocultural characteristics than are eth on all archaeologically known cultures, nological cultures. Major traditions ar