Structural interpretation of the Tinaquillo peridotite and its country rock, Cojedes State, Venezuela

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dc.contributor.advisorLallemant, Hans G. Avéen_US
dc.contributor.committeeMemberOldow, John S.en_US
dc.contributor.committeeMemberStormer, J. C.en_US
dc.creatorOstos Rosales, Marinoen_US
dc.date.accessioned2018-12-18T21:18:05Zen_US
dc.date.available2018-12-18T21:18:05Zen_US
dc.date.issued1984en_US
dc.description.abstractThe Tinaquillo Complex is bordered to the south by the Tinaco Complex, and to the north is separated by a thrust fault from the Cordillera de la Costa belt. The Tinaquillo Complex, consisting mainly of harzburgite and metagabbro, was formed at high temperature (up to 14°C) and presumably at great depth in the upper mantle. The Tinaco Complex consists of meta-igneous and metasedimentary rocks. The Tinaquillo Complex was juxtaposed onto the Tinaco Complex at intermediate crustal levels at temperatures of about 65°C. Structures in the Tinaquillo harzburgites indicate that the juxtaposition was caused by northwesterly directed thrusting. The metamorphism in the Tinaco Complex is clearly not of the contact type, as has been suggested previously, but is a regional metamorphism. Although good age dates are not available, it is suggested that the juxtaposition of the two complexes occurred during Late Paleozoic times, probably related to collision of a volcanic island arc with South America. The juxtaposition of both complexes onto the Cordillera de la Costa belt is probably a Late Cretaceous or Tertiary event and may be related to a collision of another volcanic island arc with South America.en_US
dc.format.digitalOriginreformatted digitalen_US
dc.format.extent160 ppen_US
dc.identifier.callnoThesis Geol. 1984 Ostos Rosalesen_US
dc.identifier.citationOstos Rosales, Marino. "Structural interpretation of the Tinaquillo peridotite and its country rock, Cojedes State, Venezuela." (1984) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/104154">https://hdl.handle.net/1911/104154</a>.en_US
dc.identifier.digitalRICE1781en_US
dc.identifier.urihttps://hdl.handle.net/1911/104154en_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.titleStructural interpretation of the Tinaquillo peridotite and its country rock, Cojedes State, Venezuelaen_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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