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Ancient groundwaters in the Amadeus basin, Central Australia: evidence from the radio-isotope 36Cl

Cresswell, Richard; Jacobson, G; Wischusen, J; Fifield, L Keith


We report 36Cl determinations for groundwaters in the major confined aquifer, the Mereenie Sandstone, in the Amadeus Basin, in arid central Australia. Groundwaters at the synclinal margins of the Amadeus Basin have 36Cl ratios, 36Cl/Cl, averaging about 176 x 10-15. These groundwaters have radiocarbon contents ranging from 6 to 39% modern carbon, suggesting that they might 'average out' episodic recharge processes over the last 30,000 years. Deep within the Basin, groundwaters in the Mereenie...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Journal of Hydrology
DOI: 10.1016/S0022-1694(99)00123-7


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