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Cratonic (essentially undeformed) sediments appear sediments in the
stratigraphic record for the first time in the late Archean and are best developed in
the Kaapvaal craton of southern Africa. The early Proterozoic (2.5 to 1.6 billion
years ago) ...
Central and southern Africa may be considered as forming a single large culture
area. Most of ... The San are today restricted to the arid areas of southwestern
Africa and Botswana, and most of the Khoikhoin are merged into the racially
East African deposits include those in Kenya, Tanzania, Uganda, and Zambia;
there are also deposits in South Africa. North Africa has major reserves of
gypsum on the Mediterranean coast, as well as in outcrops along the Gulf of
Suez and ...
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review