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Title: Age and context of the oldest known hominin fossils from Flores
Authors: Brumm, Adam
Bergh, G. D. van den
Storey, Michael
Kurniawan, Iwan
Alloway, B. V.
Setiawan, Ruly
Setiyabudi, Erick
Grün, Rainer
Moore, Mark W.
Yurnaldi, Dida
Puspaningrum, Mika R.
Wibowo, Unggul P.
Insani, Halmi
Sutisna, Indra
Westgate, John A.
Pearce, Nick J. G.
Duval, Mathieu
Meijer, Hanneke Johanna Maria
Aziz, Fachroel
Sutikna, Thomas
Kaars, Sander van der
Flude, Stephanie
Morwood, M. J.
Keywords: Archaeology;Palaeontology
Issue Date: Jun-2016
Publisher: Nature Publishing Group
Citation: Nature, 2016, 534 (7606), 249-253
Abstract: Recent excavations at the early Middle Pleistocene site of Mata Menge in the So’a Basin of central Flores, Indonesia, have yielded hominin fossils1 attributed to a population ancestral to Late Pleistocene Homo floresiensis2. Here we describe the age and context of the Mata Menge hominin specimens and associated archaeological findings. The fluvial sandstone layer from which the in situ fossils were excavated in 2014 was deposited in a small valley stream around 700 thousand years ago, as indicated by 40Ar/39Ar and fission track dates on stratigraphically bracketing volcanic ash and pyroclastic density current deposits, in combination with coupled uranium-series and electron spin resonance dating of fossil teeth. Palaeoenvironmental data indicate a relatively dry climate in the So’a Basin during the early Middle Pleistocene, while various lines of evidence suggest the hominins inhabited a savannah-like open grassland habitat with a wetland component. The hominin fossils occur alongside the remains of an insular fauna and a simple stone technology that is markedly similar to that associated with Late Pleistocene H. floresiensis.
ISSN: 0028-0836
DOI: 10.1038/nature17663
Type: Article
Appears in Collections:Geocronología y Geología

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