Age and context of the oldest known hominin fossils from Flores.

Autor: Brumm A; Research Centre of Human Evolution, Environmental Futures Research Institute, Griffith University, Nathan, Queensland 4111, Australia.; School of Earth &Environmental Sciences, University of Wollongong, Wollongong, New South Wales 2522, Australia., van den Bergh GD; Centre for Archaeological Science, School of Earth &Environmental Sciences, University of Wollongong, Wollongong, New South Wales 2522, Australia., Storey M; Quadlab, Natural History Museum of Denmark, University of Copenhagen, DK-1350 Copenhagen, Denmark., Kurniawan I; Geology Museum, Bandung 40122, Indonesia., Alloway BV; Centre for Archaeological Science, School of Earth &Environmental Sciences, University of Wollongong, Wollongong, New South Wales 2522, Australia.; School of Geography, Environment and Earth Sciences, Victoria University, Wellington 6012, New Zealand., Setiawan R; Centre for Archaeological Science, School of Earth &Environmental Sciences, University of Wollongong, Wollongong, New South Wales 2522, Australia.; Center for Geological Survey, Geological Agency, Bandung 40122, Indonesia., Setiyabudi E; Geology Museum, Bandung 40122, Indonesia., Grün R; Research Centre of Human Evolution, Environmental Futures Research Institute, Griffith University, Nathan, Queensland 4111, Australia.; Research School of Earth Sciences, The Australian National University, Canberra, Australian Capital Territory 2601, Australia., Moore MW; Stone Tools and Cognition Hub, Archaeology, University of New England, Armidale, New South Wales 2351, Australia., Yurnaldi D; Centre for Archaeological Science, School of Earth &Environmental Sciences, University of Wollongong, Wollongong, New South Wales 2522, Australia.; Center for Geological Survey, Geological Agency, Bandung 40122, Indonesia., Puspaningrum MR; Centre for Archaeological Science, School of Earth &Environmental Sciences, University of Wollongong, Wollongong, New South Wales 2522, Australia., Wibowo UP; Centre for Archaeological Science, School of Earth &Environmental Sciences, University of Wollongong, Wollongong, New South Wales 2522, Australia.; Geology Museum, Bandung 40122, Indonesia., Insani H; Geology Museum, Bandung 40122, Indonesia., Sutisna I; Geology Museum, Bandung 40122, Indonesia., Westgate JA; Department of Earth Sciences, University of Toronto, Toronto, Ontario M5S 3B1, Canada., Pearce NJ; Department of Geography &Earth Sciences, Aberystwyth University, Aberystwyth SY23 3DB, UK., Duval M; Geochronology, Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo de Atapuerca, 3, 09002-Burgos, Spain., Meijer HJ; University Museum of Bergen, University of Bergen, 5007 Bergen, Norway., Aziz F; Geology Museum, Bandung 40122, Indonesia., Sutikna T; Centre for Archaeological Science, School of Earth &Environmental Sciences, University of Wollongong, Wollongong, New South Wales 2522, Australia.; Pusat Penelitian Arkeologi Nasional (ARKENAS), Jakarta 12510, Indonesia., van der Kaars S; Cluster Earth &Climate, Faculty of Earth and Life Sciences, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands.; School of Earth, Atmosphere and Environment, Monash University, Clayton, Victoria 3800, Australia., Flude S; School of Geosciences, The University of Edinburgh, Edinburgh EH8 9AD, UK., Morwood MJ; Centre for Archaeological Science, School of Earth &Environmental Sciences, University of Wollongong, Wollongong, New South Wales 2522, Australia.
Jazyk: angličtina
Zdroj: Nature [Nature] 2016 Jun 09; Vol. 534 (7606), pp. 249-53.
DOI: 10.1038/nature17663
Abstrakt: Recent excavations at the early Middle Pleistocene site of Mata Menge in the So'a Basin of central Flores, Indonesia, have yielded hominin fossils attributed to a population ancestral to Late Pleistocene Homo floresiensis. 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 (40)Ar/(39)Ar 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.
Databáze: MEDLINE
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