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7-06-2015, 19:18

Middle Stone Age

To some archaeologists, Middle Stone Age (MSA) shows the gradual accumulation of the modern hunter-gatherer repertoire. The repertoire, as far as the MSA is concerned, might include: diversity in the style of lithic artifacts and projectile weapons, backed microliths and composite tools, bone tools and bone points, hunting success, exploitation of fish, and other smaller resources which could represent the beginnings of a broad-spectrum or intensification process in the case of evidence of fishing, land use patterns characterized by a San-like aggregation and dispersal and repeated occupation of rock shelters, cultural use of space and activity areas within sites, increased artifact trade, and the making of beads and use of ochre. These behaviors and artifact types are thought to be related to ways of thinking, including symbolic behavior, innovation, and planning that are ‘modern’, in the sense that they are associated with Homo sapiens. At Blombos Cave on the southern coast of South Africa, MSA levels dating to 77 000 years ago have yielded more than 30 worked bone awls and points and 8000 pieces of worked ochre, two of which are incised with parallel lines as well as beads. However, other sites of the African MSA also show evidence of artifact design and geographic diversity; use of microliths, backed tools, and hafted tools; hunting proficiency; worked bone; fishing, mollusk gathering, and small animal procurement; and use of symbolic artifacts such as beads and ochre.

The MSA is characterized by Levallois and other prepared core methods of stone tool manufacture. A common tool type in the East African MSA is the Stillbay point, or points from discoidal core reduction. Important MSA sites include the ones in Northern Tanzania, such as Nasera Rockshelter and Mumba Rockshelter, Mumba Hohle, Olduvai Gorge, and a recent excavation from Loiyangalani near Olduvai Gorge, where bone artifacts and fish bone have been reported. Southwestern Tanzania also has MSA localities reported along the Songwe River. In Kenya, sites have been found in the Kenya Rift Valley, including Prospect Farm and Lukenya Hill, and in

Ethiopia at Porc Epic Cave and Aduma. The East African MSA is rarely found with ostrich eggshell beads, as reported from Mumba and the Loiyanga-lani site, but is quite often associated with the so-called ‘Kenya Stillbay’ industry which includes small and large points which may be spear points.



 

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