Constraints on Levallois core technology: A mathematical model

被引:102
作者
Brantingham, PJ [1 ]
Kuhn, SL [1 ]
机构
[1] Univ Arizona, Dept Anthropol, Tucson, AZ 85721 USA
基金
美国国家科学基金会;
关键词
Levallois; core reduction strategies; Middle Paleolithic; Initial Upper Paleolithic; mathematical models; stone raw material economy; lithic technology; archaeology;
D O I
10.1006/jasc.2000.0594
中图分类号
Q98 [人类学];
学科分类号
030303 ;
摘要
Recent volumetric definitions of Levallois core technology are amenable to mathematical modelling. We present a simple geometric model that permits controlled manipulation of a few of the key parameters defining Levallois core morphology. The models indicate that Levallois cores are relatively efficient at minimizing raw material waste while at the same time maximizing productivity in terms of total number of tool blanks and amount of cutting edge produced. Deviations from an ideal Levallois geometry produce significant declines in both efficiency and productivity. These results implicate mechanical and economic constraint sas factory underlying the broad geographic distribution and temporal persistence of Levallois core technologies during the Middle and late Pleistocene.
引用
收藏
页码:747 / 761
页数:15
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