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.2015 Jan:78:144-57.
doi: 10.1016/j.jhevol.2014.10.001. Epub 2014 Nov 20.

New dating of the Homo erectus cranium from Lantian (Gongwangling), China

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New dating of the Homo erectus cranium from Lantian (Gongwangling), China

Zhao-Yu Zhu et al. J Hum Evol.2015 Jan.

Abstract

The Homo erectus cranium from Gongwangling, Lantian County, Shaanxi Province is the oldest fossil hominin specimen from North China. It was found in 1964 in a layer below the Jaramillo subchron and was attributed to loess (L) L15 in the Chinese loess-palaeosol sequence, with an estimated age of ca. 1.15 Ma (millions of years ago). Here, we demonstrate that there is a stratigraphical hiatus in the Gongwangling section immediately below loess 15, and the cranium in fact lies in palaeosol (S) S22 or S23, the age of which is ca. 1.54-1.65 Ma. Closely spaced palaeomagnetic sampling at two sections at Gongwangling and one at Jiacun, 10 km to the north, indicate that the fossil layer at Gongwangling and a similar fossil horizon at Jiacun were deposited shortly before a short period of normal polarity above the Olduvai subchron. This is attributed to the Gilsa Event that has been dated elsewhere to ca. 1.62 Ma. Our investigations thus demonstrate that the Gongwangling cranium is slightly older than ca. 1.62 Ma, probably ca. 1.63 Ma, and significantly older than previously supposed. This re-dating now makes Gongwangling the second oldest site outside Africa (after Dmanisi) with cranial remains, and causes substantial re-adjustment in the early fossil hominin record in Eurasia.

Keywords: Asia; Lantian Homo erectus; Palaeomagnetism; Re-dating; Stratigraphy.

Copyright © 2014 Elsevier Ltd. All rights reserved.

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