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  • Geological and archaeological data from the now hyper-arid Eastern Sahara of Egypt, Sudan, Libya and Chad reveal close links between climatic variations and prehistoric occupation during the Holocene. At about 8,500 B.C.E., the Sahara´s margin
  • 2007
  • at the meeting of the Swedish Geological Society, held in Kristiana (now Oslo). A combination of the following unique features makes pollen analysis such a useful tool for palaeoenvironmental studies: (a) plants produce pollen in great quantities; (b) pollen
  • 2007