Reports

Two-Million-Year Record of Deuterium Depletion in Great Basin Ground Waters

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Science  01 Feb 1985:
Vol. 227, Issue 4686, pp. 519-522
DOI: 10.1126/science.227.4686.519

Abstract

Fluid inclusions in uranium series-dated calcitic veins from the southern Great Basin record a reduction of 40 per mil in the deuterium content of ground-water recharge during the Pleistocene. This variation is tentatively attributed to major uplift of the Sierra Nevada Range and the Transverse Ranges during this epoch with attendant increasing orographic depletion of deuterium from inland-bound Pacific storms.

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