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.
Suggested Citation
Fournier, R., and Potter, R., 1979, Magnesium correction to the Na K Ca chemical geothermometer: Geochimica et Cosmochimica Acta, v. 43, no. 9, p. 1543-1550, https://doi.org/10.1016/0016-7037(79)90147-9.
| 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 |