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J Hum Evol. 2006 Oct;51(4):429-39. Epub 2006 Jul 20.

Multivariate perspectives on change and continuity in the Middle Stone Age lithics from Klasies River Mouth, South Africa.

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  • 1Department of Anthropology, University of Iowa, 114 MacBride Hall, Iowa City, IA 52242, USA.


This paper examines variability and the emergence of the Howiesons Poort within the Middle Stone Age lithic technologies of Klasies River Mouth. Here I present a pattern recognition study using multivariate statistical techniques examining the data presented by [Singer, R., Wymer, J.J., 1982. The Middle Stone Age at Klasies River Mouth in South Africa. Chicago University Press, Chicago]. Using this model, the Middle Stone Age (MSA) lithics from Klasies River Mouth load on three main factors: (1) a Levallois flake manufacture factor, (2) a blade manufacture factor, and (3) a worked point factor. The MSA I assemblage from Cave 1 and the MSA II assemblage from Shelter 1a correlate strongly with the worked point factor, the MSA II assemblage from Cave 1 correlates strongly with the Levallois factor, and the Howiesons Poort assemblage from Shelter 1a correlates strongly with the blade factor. The Howiesons Poort from Shelter 1a is differs more from all other industries than the remaining industries do from each other. In addition, the Howiesons Poort from Cave 2 groups closely with the MSA III assemblage from Shelter 1a due to similarities in raw material frequencies.

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