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Article: Geochemical well logging in basalts: the Palisades Sill and the oceanic crust of Hole 504B

TitleGeochemical well logging in basalts: the Palisades Sill and the oceanic crust of Hole 504B
Authors
Issue Date1990
Citation
Journal Of Geophysical Research, 1990, v. 95 B6, p. 9265-9292 How to Cite?
AbstractGeochemical well logging provides a continuous record of the variations in elemental abundances of the major rock-forming oxides of Si, Al, Ca, Fe, Ti and K, as well as S, Gd, U, Th, and the H and Cl in the formation and pore fluid. Through the additional measurement of the photoelectric capture cross section of the rock, the sum of Mg+Na can also be estimated. In this paper, the elemental yields from geochemical logging in basalts are calibrated against extensive XRF analyses of cutting samples from the Lamont 2 test well into the diabases of the Palisades Sill, New York. Accuracy and precision of the log-derived analyses are determined in the lower part of the well, and calibration equations are derived, which are then tested against core-derived "standards' from the upper part of the well. These calibrations are then applied to geochemical logs from the oceanic crustal basalts of Ocean Drilling Program hole 504B, where core recovery was less than 20% of the section. -from Authors
Persistent Identifierhttp://hdl.handle.net/10722/178179
ISSN
2015 Impact Factor: 3.318
2015 SCImago Journal Rankings: 2.310

 

DC FieldValueLanguage
dc.contributor.authorAnderson, RNen_US
dc.contributor.authorAlt, JCen_US
dc.contributor.authorMalpas, Jen_US
dc.contributor.authorLovell, MAen_US
dc.contributor.authorHarvey, PKen_US
dc.contributor.authorPratson, ELen_US
dc.date.accessioned2012-12-19T09:43:16Z-
dc.date.available2012-12-19T09:43:16Z-
dc.date.issued1990en_US
dc.identifier.citationJournal Of Geophysical Research, 1990, v. 95 B6, p. 9265-9292en_US
dc.identifier.issn0148-0227en_US
dc.identifier.urihttp://hdl.handle.net/10722/178179-
dc.description.abstractGeochemical well logging provides a continuous record of the variations in elemental abundances of the major rock-forming oxides of Si, Al, Ca, Fe, Ti and K, as well as S, Gd, U, Th, and the H and Cl in the formation and pore fluid. Through the additional measurement of the photoelectric capture cross section of the rock, the sum of Mg+Na can also be estimated. In this paper, the elemental yields from geochemical logging in basalts are calibrated against extensive XRF analyses of cutting samples from the Lamont 2 test well into the diabases of the Palisades Sill, New York. Accuracy and precision of the log-derived analyses are determined in the lower part of the well, and calibration equations are derived, which are then tested against core-derived "standards' from the upper part of the well. These calibrations are then applied to geochemical logs from the oceanic crustal basalts of Ocean Drilling Program hole 504B, where core recovery was less than 20% of the section. -from Authorsen_US
dc.languageengen_US
dc.relation.ispartofJournal of Geophysical Researchen_US
dc.titleGeochemical well logging in basalts: the Palisades Sill and the oceanic crust of Hole 504Ben_US
dc.typeArticleen_US
dc.identifier.emailMalpas, J: jgmalpas@hku.hken_US
dc.identifier.authorityMalpas, J=rp00059en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0025664224en_US
dc.identifier.volume95en_US
dc.identifier.issueB6en_US
dc.identifier.spage9265en_US
dc.identifier.epage9292en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridAnderson, RN=7406485096en_US
dc.identifier.scopusauthoridAlt, JC=7006331578en_US
dc.identifier.scopusauthoridMalpas, J=7006136845en_US
dc.identifier.scopusauthoridLovell, MA=7103064547en_US
dc.identifier.scopusauthoridHarvey, PK=7401431959en_US
dc.identifier.scopusauthoridPratson, EL=6505761260en_US

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