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Cryptotephra from the 74 ka BP Toba super-eruption in the Billa Surgam caves, southern India.(Report)

Lane, Christine ; Haslam, Michael ; Petraglia, Michael ; Ditchfield, Peter ; Smith, Victoria ; Korisettar, Ravi

Quaternary Science Reviews, July, 2011, Vol.30(15-16), p.1819(6) [Periódico revisado por pares]

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  • Título:
    Cryptotephra from the 74 ka BP Toba super-eruption in the Billa Surgam caves, southern India.(Report)
  • Autor: Lane, Christine ; Haslam, Michael ; Petraglia, Michael ; Ditchfield, Peter ; Smith, Victoria ; Korisettar, Ravi
  • Assuntos: Archaeology ; Petroleum Industry
  • É parte de: Quaternary Science Reviews, July, 2011, Vol.30(15-16), p.1819(6)
  • Descrição: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.quascirev.2011.05.010 Byline: Christine Lane (a), Michael Haslam (a), Michael Petraglia (a), Peter Ditchfield (a), Victoria Smith (a), Ravi Korisettar (b) Abstract: The [approximately equal to]74 ka BP Youngest Toba Tuff (YTT), from the largest known Quaternary volcanic eruption, has been found for the first time as a non-visible (crypto-) tephra layer within the Billa Surgam caves, southern India. The occurrence of the YTT layer in Charnel House Cave provides the first calendrical age estimate for this much debated Pleistocene faunal sequence and demonstrates the first successful application of cryptotephrochronology within a cave sequence. The YTT layer lies [approximately equal to]50 cm below a major sedimentological change, which is related to global cooling around the MIS 5 to MIS 4 transition. Using this isochronous event layer the Billa Surgam Cave record can be directly correlated with other archaeological sites in peninsular India and palaeoenvironmental archives across southern Asia. Author Affiliation: (a) Research Laboratory for Archaeology and the History of Art, University of Oxford, South Parks Road, Oxford OX1 3QY, United Kingdom (b) Department of History and Archaeology, Karnatak University, Dharwad 580003, India Article History: Received 16 March 2011; Revised 5 May 2011; Accepted 11 May 2011
  • Idioma: English

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