Magnesium correction to the Na K Ca chemical geothermometer
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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 Na-K-Ca 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.
Publication type | Article |
---|---|
Publication Subtype | Journal Article |
Title | Magnesium correction to the Na K Ca chemical geothermometer |
Series title | Geochimica et Cosmochimica Acta |
DOI | 10.1016/0016-7037(79)90147-9 |
Volume | 43 |
Issue | 9 |
Year Published | 1979 |
Language | English |
Publisher | Elsevier |
Description | 8 p. |
First page | 1543 |
Last page | 1550 |
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