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dc.contributor.authorBourland, William Clifforden
dc.date.accessioned2014-03-14T21:40:29Zen
dc.date.available2014-03-14T21:40:29Zen
dc.date.issued1976-11-19en
dc.identifier.otheretd-07152010-020125en
dc.identifier.urihttp://hdl.handle.net/10919/43733en
dc.description.abstractDuring Late Precambrian or Early Cambrian (~550 m.y.) a sequence of interlayered graywackes and shales was intruded by the Columbia granite. At approximately 340 m.y. the granite and sediments were metamorphosed to at least amphibolite facies. During the peak and waning stages of metamorphism, these lighologies experienced 3 or possibly 4 deformational events which occurred while faulting was initiated along the Lakeside fault zone. Retrogressive mineral assemblages in fractures along the Lakeside fault and Central Piedmont Lineament indicate that reactivations along these zones occurred during regional cooling and continued after 221 m.y. During Late Triassic or Early Jurassic, the region was intruded by diabase dikes. An erosional unconformity separates alluvium and colluvium from the layered and intrusive rocks.en
dc.format.extentvi, 113 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.publisherVirginia Techen
dc.relation.isformatofOCLC# 39142059en
dc.relation.haspartLD5655.V855_1976.B687.pdfen
dc.relation.haspartLD5655.V855_1976.B687_drw03.pdfen
dc.relation.haspartLD5655.V855_1976.B687_drw02.pdfen
dc.relation.haspartLD5655.V855_1976.B687_drw01.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectmetamorphismen
dc.subject.lccLD5655.V855 1976.B687en
dc.titleTectogenesis and metamorphism of the Piedmont from Columbia to Westview, Virginia along the James Riveren
dc.typeThesisen
dc.contributor.departmentGeological Sciencesen
dc.description.degreeMaster of Scienceen
thesis.degree.nameMaster of Scienceen
thesis.degree.levelmastersen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.disciplineGeological Sciencesen
dc.contributor.committeechairGlover, Lynn IIIen
dc.contributor.committeememberSinha, A. Krishnaen
dc.contributor.committeememberHewitt, David A.en
dc.type.dcmitypeTexten
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-07152010-020125/en
dc.date.sdate2010-07-15en
dc.date.rdate2010-07-15en
dc.date.adate2010-07-15en


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