Marine87Sr/86Sr ratios from the Jurassic to Pleistocene: evidence from groundwaters in Israel |
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| Authors: | A Starinsky M Bielski B Lazar E Wakshal G Steinitz |
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| Institution: | Department of Geology, Hebrew University, Jerusalem Israel;Groundwater Research Center, Hebrew University, Jerusalem Israel;Geological Survey of Israel, Jerusalem Israel |
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| Abstract: | Oceanic87Sr/86Sr ratios during Jurassic to Pleistocene have been determined by analysing fresh waters from marine limestone and dolomite aquifers. The results are in good agreement with published data from well preserved fossil material. The87Sr/86Sr ratios obtained are 0.7070 for Lower to Middle Jurassic, 0.7075 for Late Cretaceous, 0.7080 for Lower to Middle Eocene and 0.7087 for Pleistocene aquifer waters. The value of87Sr/86Sr for the Eimer and Amend isotopic standard was 0.7082. |
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