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Studies of quaternary saline lakes-I. Hydrogen isotope fractionation in saline minerals

Geochimica et Cosmochimica Acta

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Abstract

Borax, gaylussite, nahcolite and trona were synthesized in aqueous solution at temperatures ranging from 8?? to 35??C. Except for borax, deuterium was always depleted in these hydrated minerals relative to the solutions from which they were crystallized. In borax, no significant fractionation was found. The fractionation factor of D H for the trona-water system exhibited a marked temperature dependence. By combining the deuterium contents of trona and the solution from which trona was crystallized, the following thermometer scale was obtained: In ( D H) trona ( D H)water = 1.420 ?? 104 T2 + 23.56 T (1). An attempt to establish a geothermometer based on C13 C12 fractionation between carbonate minerals and carbonate ions in aqueous solution was not successful. ?? 1972.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Studies of quaternary saline lakes-I. Hydrogen isotope fractionation in saline minerals
Series title:
Geochimica et Cosmochimica Acta
Volume
36
Issue:
4
Year Published:
1972
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geochimica et Cosmochimica Acta
First page:
427
Last page:
435
Number of Pages:
9