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dc.contributor.author Cox, Malcolm E. en_US
dc.contributor.author Thomas, Donald M. en_US
dc.date.accessioned 2011-06-07T00:10:04Z en_US
dc.date.available 2011-06-07T00:10:04Z en_US
dc.date.issued 1979 en_US
dc.identifier.citation Cox ME, Thomas DM. 1979. Chloride/magnesium ratio of shallow groundwaters as a regional geothermal indicator in Hawaii. Honolulu (HI): Hawaii Institute of Geophysics, University of Hawaii at Manoa. Assessment of Geothermal Resources in Hawaii, 3. en_US
dc.identifier.uri http://hdl.handle.net/10125/20124 en_US
dc.description.abstract Because of the complex geological and hydrological conditions and the virtual lack of thermal springs, regional geothermal investigations in Hawaii require the use of techniques substantially different from those conventionally applied in other geothermal environments. The large number of hydrological wells in the state provides an appreciable source of groundwater chemical data. However, largely because of the island environment, interpretation of much of these data as geothermal indicators becomes ambiguous. Initially, SiO2 and temperature of groundwaters were used to identify thermally anomalous zones, but on a regional basis it has been found that these criteria are not always successful. As a further criterion for assessment, the Cl/Mg ratio of the groundwater has been used. On a state-wide basis, this ratio has been successful in further "screening" the SiO2-temperature selected sites, and in defining more specific areas which warrant further investigation. Temperature, SiO2 and Cl/Mg values for nearly 400 groundwater samples are included. en_US
dc.description.sponsorship Prepared for Western States Cooperative Direct Heat Resource Assessment under grant no. DOE/ID/017l3-4. en_US
dc.format.extent 51 p. en_US
dc.language.iso en-US en_US
dc.publisher Hawaii Institute of Geophysics, University of Hawaii at Manoa en_US
dc.relation.ispartofseries Assessment of Geothermal Resources in Hawaii: Number 3 en_US
dc.relation.ispartofseries HIG-79-9 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 Chloride/Magnesium Ratio of Shallow Groundwaters as a Regional Geothermal Indicator in Hawaii en_US
dc.type Report en_US
dc.type.dcmi Text en_US
local.identifier.callnumber QC851 .H35 no.79-9   en_US

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