A geochemical investigation of the Valley Spring gneiss and Packsaddle schist, Llano Uplift, Texas

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dc.contributor.advisorRogers, John J. W.en_US
dc.creatorBillings, Gale Ken_US
dc.date.accessioned2016-04-22T21:59:02Zen_US
dc.date.available2016-04-22T21:59:02Zen_US
dc.date.issued1962en_US
dc.description.abstractSamples of the Valley Spring gneiss and Packsaddle schist were taken along two profiles in northern and south-eastern Llano County, Texas. These samples were analyzed for the major oxides, thorium, and uranium. A comparison of the Valley Spring gneiss and Packsaddle schist analyses with analyses of other rock types indicated:. 1) the parent rock of the Valley Spring gneiss could have been granitic or arkosic material: 2) banded amphibolites of the Packsaddle schist were originally mafic tuffs mixed with calcareous sediments; and 3) the parent rocks of the non-banded amphibolites of the Packsaddle schist were iron-rich basaltic material, probably tholeiitic.en_US
dc.format.digitalOriginreformatted digitalen_US
dc.format.extent44 ppen_US
dc.identifier.callnoThesis Geol. 1962 Billingsen_US
dc.identifier.citationBillings, Gale K. "A geochemical investigation of the Valley Spring gneiss and Packsaddle schist, Llano Uplift, Texas." (1962) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/89927">https://hdl.handle.net/1911/89927</a>.en_US
dc.identifier.digitalRICE0962en_US
dc.identifier.urihttps://hdl.handle.net/1911/89927en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.titleA geochemical investigation of the Valley Spring gneiss and Packsaddle schist, Llano Uplift, Texasen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentEarth Scienceen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Artsen_US
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