Chlorine 36 dating of very old groundwater: 1. The Great Artesian Basin, Australia
作者： Harold W. Bentley , Fred M. Phillips , Stanley N. Davis , M. A. Habermehl , Peter L. Airey
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摘要: Chlorine 36 has many advantages as a dating tool for very old groundwater. These include suitable half-life (3.01 x 10/sup 5/ years), simple geochemistry, conservative behavior in groundwater, and general absence of subsurface sources at levels comparable to the atmospheric input. Recent advances tandem accelerator mass spectrometry have permitted analysis /sup 36/Cl low abundance expected following residence 6/ years or more. In order test suitability 36/Cl/Cl ratios 26 groundwater samples from Great Artesian Basin Australia been measured. Groundwater ages calculated data compare favorably with computed independently hydrodynamic simulations.
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