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Item Description Cox, Malcolm E. en_US Thomas, Donald M. en_US 2011-08-30T00:24:55Z 2011-09-29T20:11:31Z 2011-08-30T00:24:55Z 2011-09-29T20:11:31Z 1979 en_US
dc.identifier.citation Cox ME, Thomas DM. 1979. Cl/Mg Ratio of Hawaiian groundwaters as a regional geothermal indicator. Geothermal Resources Council Transactions. 3: 145-148. en_US
dc.description.abstract During the regional assessment for potential geothermal areas in Hawaii, several quantitative and qualitative chemical geothermometers were applied to groundwaters with little apparent success. The problems most commonly encountered arose from variable amounts of seawater contamination of basal aquifers and differences in rock chemistry, groundwater residence time, and recharge rates. One qualitative geothermometer which seems to have overcome many of these difficulties is the Cl/Mg ion ratio. The utility of this ion ratio arises from (1) the relatively unreactive nature of the chloride ion in low to moderate temperature groundwater and (2) the temperature sensitivity of the reactions undergone by magnesium in groundwater. The application of this ion ratio to on file groundwater chemistry data has allowed us to differentiate between nonthermal and thermal groundwater chemical anomalies. en_US
dc.description.sponsorship Work carried out under Department of Energy Contract No. EW-78-5-07-1713. en_US
dc.format.extent 4 p. en_US
dc.language.iso en-US en_US
dc.publisher Geothermal Resources Council en_US
dc.relation.ispartofseries Hawaii Institute of Geophysics Contribution No. 987 en_US
dc.subject exploration en_US
dc.subject research en_US
dc.subject.lcsh Geothermal resources--Hawaii en_US
dc.subject.lcsh Groundwater--Hawaii en_US
dc.subject.lcsh Chlorides en_US
dc.subject.lcsh Magnesium en_US
dc.title Cl/Mg Ratio of Hawaiian Groundwaters as a Regional Geothermal Indicator en_US
dc.type Article en_US
dc.type.dcmi Text en_US

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