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Magnesium correction to the NaKCa chemical geothermometer

Geochimica et Cosmochimica Acta

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Abstract

Equations and graphs have been devised to correct for the adverse effects of magnesium upon the Na-K-Ca chemical geothermometer. Either the equations or graphs can be used to determine appropriate temperature corrections for given waters with calculated NaKCa temperatures > 70??C and R < 50, where R = { Mg (Mg + Ca + K)} ?? 100 with cation concentrations expressed in equivalents. Waters with R > 50 are probably derived from relatively cool aquifers with temperatures approximately equal to the measured spring temperature, irrespective of much higher calculated Na-K-Ca temperatures. ?? 1979.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Magnesium correction to the NaKCa chemical geothermometer
Series title:
Geochimica et Cosmochimica Acta
Volume
43
Issue:
9
Year Published:
1979
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1543
Last page:
1550
Number of Pages:
8