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Title: High-resolution late Middle Pleistocene paleoclimatic record from the Galería Complex, Atapuerca archaeological site, Spain - An environmental magnetic approach
Authors: Bógalo Román, María Felicidad
Bradák, B.
Villalaín, Juan José
Calvo Rathert, Manuel
González Martín, Manuel Iván
Heller, Friedrich
Ortega Martínez, Ana Isabel
Parés, Josep María
Keywords: Galería Complex;Atapuerca;Western Europe;Late Middle Pleistocene;Paleoclimatology;MIS 9;MIS 8;Sediment mineralogy;Environmental magnetism;Goethite proxy
Issue Date: Jan-2021
Publisher: Elsevier
Citation: Quaternary Science Reviews, 2021, 251, 106721
Abstract: The Galería Complex is a cave sediment succession at the Atapuerca paleoanthropological site (Burgos, Spain) that offers detailed environmental information about the late Middle Pleistocene, especially the period between marine oxygen isotope stages MIS10 and MIS7. Previous studies have reconstructed the chronology and detailed the environmental development of this key succession. We introduce rock magnetic climate proxies from the sedimentary units of the Galería succession that we correlate with the global climate record as represented by the marine oxygen isotope record. The cave sediment sequence consists of five infilling phases, four of which were sampled at high resolution across a 5 m thick composite profile. We propose a novel goethite climate proxy along with a frequently used ultrafine ferrimagnetic mineral proxy for paleoclimate reconstruction and detailed chronostratigraphic correlation with isotope stages and substages MIS10/MIS10-9, MIS9e-a and MIS8. The proxies reveal new paleoenvironmental information about paleoprecipitation and indicate that MIS9e was a humid (∼650 mm/year maximum annual precipitation) and intense interglacial in northern Spain that declined in steps into the globally weak glacial stage MIS8. MIS8 consisted of drier periods with 430–510 mm/year annual precipitation and at least one humid substage (600 mm/year).
ISSN: 0277-3791
DOI: 10.1016/j.quascirev.2020.106721
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Type: Article
Appears in Collections:Geocronología y Geología

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