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- W3129584908 abstract "Sixteen new and seven recently published AMS radiocarbon dates from Guli Waabayo rock shelter in southern Somalia show repeated use of the site over a ~ 20,000-year period that spans most of Marine Isotope Stage (MIS) 2 ~ 29–14.5 thousand years ago (ka) and the MIS 1 African Humid Period ~ 14.5–6 ka. Improved methods of ostrich eggshell and tooth enamel sample preparation increase dating accuracy and provide the earliest radiometric evidence of Later Stone Age (LSA) occupation in the southeastern Horn of Africa. Bayesian analysis of 18 dates helps evaluate chronostratigraphic relationships at the site and define separate phases of site-use and formation. These data indicate two major periods of rock shelter occupation. The first spans MIS 2 and the distinctive LSA Eibian industry ~ 29–26 to ~ 15–11 cal ka. The second dates to the early/mid-Holocene and the LSA Bardaale industry ~ 11–9 to ~ 7.5–6 cal ka. This new Guli Waabayo chronology provides a framework for reconstructing and interpreting LSA hunter-gatherer adaptations to rapidly changing Late/terminal Pleistocene and early Holocene environments in what is now the semi-arid southeastern lowlands of the Horn of Africa." @default.
- W3129584908 created "2021-03-01" @default.
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- W3129584908 date "2021-04-01" @default.
- W3129584908 modified "2023-10-18" @default.
- W3129584908 title "Improved ostrich eggshell and ungulate tooth enamel radiocarbon dating methods reveal Later Stone Age occupation in arid MIS 2 southern Somalia" @default.
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- W3129584908 doi "https://doi.org/10.1016/j.jasrep.2021.102844" @default.
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