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ESR and Th-230/U-234 dating of speleothems from Aladaglar Mountain Range (AMR) in Turkey

Ulusoy, Ulku; Anbar, Gul; Bayari, Serdar; Uysal, Tonguc


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{
  "@context": "https://schema.org/", 
  "@id": 66831, 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@type": "Person", 
      "affiliation": "Hacettepe Univ, Dept Engn Phys, TR-06800 Ankara, Turkey", 
      "name": "Ulusoy, Ulku"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Hacettepe Univ, Dept Engn Phys, TR-06800 Ankara, Turkey", 
      "name": "Anbar, Gul"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Hacettepe Univ, Dept Geol Engn, TR-06800 Ankara, Turkey", 
      "name": "Bayari, Serdar"
    }, 
    {
      "@type": "Person", 
      "name": "Uysal, Tonguc"
    }
  ], 
  "datePublished": "2014-01-01", 
  "description": "Electron spin resonance (ESR) and Th-230/U-234 ages of speleothem samples collected from karstic caves located around 3000 m elevation in the Aladaglar Mountain Range (AMR), south-central Turkey, were determined in order to provide new insight and information regarding late Pleistocene climate. ESR ages were validated with the Th-230/U-234 ages of test samples. The ESR ages of 21 different layers of six speleothem samples were found to range mostly between about 59 and 4 ka, which cover the Marine Oxygen Isotope Stages (MIS) MIS 3 to MIS 1. Among all, only six layers appear to have deposited during MIS 8 and 5. Most of the samples dated were deposited during the late glacial stage (MIS 2). It appears that a cooler climate with a perennial and steady recharge was more conducive to speleothem development rather than a warmer climate with seasonal recharge in the AMR during the late Quaternary. This argument supports previous findings that suggest a two -fold increase in last glacial maximum mean precipitation in Turkey with respect to the present value. (c) 2013 University of Washington. Published by Elsevier Inc. All rights reserved.", 
  "headline": "ESR and Th-230/U-234 dating of speleothems from Aladaglar Mountain Range (AMR) in Turkey", 
  "identifier": 66831, 
  "image": "https://aperta.ulakbim.gov.tr/static/img/logo/aperta_logo_with_icon.svg", 
  "license": "http://www.opendefinition.org/licenses/cc-by", 
  "name": "ESR and Th-230/U-234 dating of speleothems from Aladaglar Mountain Range (AMR) in Turkey", 
  "url": "https://aperta.ulakbim.gov.tr/record/66831"
}
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