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ARTICLE IN Volume 8, 2013 - Number 1

SAR OSL DATING OF 63-90 μm QUARTZ EXTRACTED FROM AN EEMIAN (PRESUMABLY LACUSTRINE) SEDIMENTARY SECTION AT FLOREŞTI ON THE SOMEŞUL MIC VALLEY



Cătălin Alexandru CORCEA1, Daniela CONSTANTIN2, Valentina ANECHITEI2, Alida TIMAR-GABOR2 & Sorin FILIPESCU1
1Babes-Bolyai University, Department of Geology, Kogalniceanu 1, 400084400294 Cluj Napoca, Romania
2Babes-Bolyai University, Faculty of Environmental Science and Engineering, Fantanele 30, 400294,
Cluj Napoca, Romania, e-mail: alida.timar@ubbcluj.ro

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Abstract

A double-SAR OSL protocol was applied on 63-90 μm quartz extracted from an exposed sedimentary succession from Floreşti on the Someşul Mic Valley, central-northern Romania in order to determine its depositional age. The equivalent doses measured for the three samples analyzed were 291 ± 17 Gy, 331 ± 27 Gy respectively 348 ± 17 Gy. The optical ages obtained were found in agreement within error limits 139 ± 15 ka, 133 ± 16 ka and 134 ± 13 ka, respectively. These new chronological data support the assumption that the analyzed sedimentary record was deposited during the Eemian Interglacial in periglacial settings (probably lacustrine deposits with high sedimentary input).

Keywords:

  • OSL
  • Quartz
  • SAR
  • protocol
  • Eemian
  • lacustrine
  • deposits

How to cite

SAR OSL DATING OF 63-90 μm QUARTZ EXTRACTED FROM AN EEMIAN (PRESUMABLY LACUSTRINE) SEDIMENTARY SECTION AT FLOREŞTI ON THE SOMEŞUL MIC VALLEY

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