1990
DOI: 10.1144/gsl.sp.1990.048.01.15
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Geochemical well logs: calibration and lithostratigraphy in basaltic, granitic and metamorphic rocks

Abstract: Elemental analyses of rock compositions have been measured in situ with a geochemical logging tool (GLT) in drillholes through igncous and metamorphic terrains. Comparisons of dry weight percent oxide analyses from laboratory measurements on core samples and the log-derived results demonstrate that accuracics are fair in Ocean Drilling Program Hole 504B basalts, good in Cajon Pass, California granites, and very good in Moodus, Connecticut metamorphic rocks and Palisades, New York diabases. Improved accuracies … Show more

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Cited by 9 publications
(4 citation statements)
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References 17 publications
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“…1). The hole was geophysically surveyed using geophysical and geochemical logging tools (Anderson et al 1990). Goldberg (1997) described the measurements made by these tools in detail.…”
Section: Geological Background and Site Characterizationmentioning
confidence: 99%
“…1). The hole was geophysically surveyed using geophysical and geochemical logging tools (Anderson et al 1990). Goldberg (1997) described the measurements made by these tools in detail.…”
Section: Geological Background and Site Characterizationmentioning
confidence: 99%
“…The sedimentary-rock-based calibrations and oxide-closure model originally developed for Schlumberger's geochemical method are precise though not accurate for several major elements when tested in basalt by the ODP and closely related studies (Brewer et al, 1989(Brewer et al, , 1990Anderson et al, 1990a). Subsequently, successful calibrations and oxide-closure models were developed for geochemical logging in oceanic basalts as well as in other crystalline rocks (Anderson et al, 1990a,b;Brewer et al, 1990;Draxler, 1990).…”
Section: Geochemical Logs-basalt Applicationsmentioning
confidence: 99%
“…The huge database of information collected has enormous potential for a wide range of geological applications. Relative elemental variations can be used in lithological classification of both igneous and sedimentary environments (Anderson et al, 1990), as well as when determining sediment sources and paleoclimate information (deMenocal et al, this volume). Normative mineralogy determinations from the geochemistry (Herron, 1986;Harvey et al, 1990) have a variety of uses, including petrologic classification and the production of thermal conductivity profiles (Dove and Williams, 1989).…”
Section: Introductionmentioning
confidence: 99%