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Title: The 6-Million-Year Record of Ecological and Environmental Change at Gona, Afar Region, Ethiopia
Authors: Levin, Naomi E.
Simpson, Scott W.
Quade, Jay
Everett, Melanie Amber‏
Frost, Stephen R.
Rogers, Michael J.
Semaw, Sileshi
Issue Date: 2022
Publisher: Cambridge University Press
Citation: African Paleoecology and Human Evolution, 2022, 197-213
Abstract: The rift setting of eastern Africa preserves exceptional records of mammalian (including hominin) fossils and archeology. The Afar region is host to multiple deposits with sediments ranging in age from>9 Ma to the present (Chorowicz, 2005; Katoh et al., 2016) and plays a major role in our understanding of human origins. The Gona project area contains fossiliferous deposits that span ca. 6.3 to <0.15 Ma (Quade et al., 2008); the duration of this record means that it can make a distinct contribution to understanding the environmental context for human evolution within the Afar and in eastern Africa (Figures 17.1 and 17.2). The primary units at Gona include the late Miocene Adu-Asa Formation, which contains fossils of Ardipithecus kaddaba; the early Pliocene Sagantole Formation with fossils of Ardipithecus ramidus; the mid- to late-Pliocene Hadar Formation; and the Busidima Formation (ca. 2.7 Ma to <0.15 Ma), which contains a record of the earliest Oldowan stone tools, fossils of Homo erectus, and Acheulean artifacts (Figure 17.2).
ISBN: 9781139696470
DOI: 10.1017/9781139696470.017
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Type: Book chapter
Appears in Collections:Arqueología

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