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500,000 years of environmental history in Eastern Anatolia: The PALEOVAN Drilling project

Scientific Drilling, ISSN: 1816-3459, Vol: 14, Issue: 14, Page: 18-29
2012
  • 40
    Citations
  • 0
    Usage
  • 31
    Captures
  • 0
    Mentions
  • 0
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    40
    • Citation Indexes
      40
  • Captures
    31

Review Description

International Continental Scientific Drilling Program (ICDP) drilled a complete succession of the lacustrine sediment sequence deposited during the last -500,000 years in Lake Van, Eastern Anatolia (Turkey). Based on a detailed seismic site survey, two sites at a water depth of up to 360 m were drilled in summer 2010, and cores were retrieved from sub-lake-floor depths of 140 m (Northern Basin) and 220 m (Ahlat Ridge). To obtain a complete sedimentary section, the two sites were multiple-cored in order to investigate the paleoclimate history of a sensitive semi-arid region between the Black, Caspian, and Mediterranean seas. Further scientific goals of the PALEOVAN project are the reconstruction of earthquake activity, as well as the temporal, spatial, and compositional evolution of volcanism as reflected in the deposition of tephra layers. The sediments host organic matter from different sources and hence composition, which will be unravelled using biomarkers. Pathways for migration of continental and mantle-derived noble gases will be analyzed in pore waters. Preliminary 40Ar/39Ar single crystal dating of tephra layers and pollen analyses suggest that the Ahlat Ridge record encompasses more than half a million years of paleoclimate and volcanic/geodynamic history, providing the longest continental record in the entire Near East to date.

Bibliographic Details

Hans Christian Larsen; Ulrich Harms; Jamus Collier; Thomas Litt; Flavio S. Anselmetti; Henrike Baumgarten; Jürg Beer; Namik Cagatay; Deniz Cukur; Emre Damci; Clemens Glombitza; Gerald Haug; Kallmeyer Heumann; Kipfer Jens; Krastel Rolf; Kwiecien Sebastian; Meydan Ola; Orcen A. Feray; Pickarski Sefer; Randlett Nadine; Schmincke Marie-Eve; Schubert Hans-Ulrich; Sturm Carsten J.; Sumita Mike; Stockhecke Mari; Tomonaga Mona; Vigliotti Yama; Wonik Luigi; the PALEOVAN Scientific Team Thomas

Copernicus GmbH

Energy; Engineering

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