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<p>Gabbro -- Oklahoma<br />Geology -- Oklahoma -- Wichita Mountains<br />Petroleum -- Geology -- Oklahoma -- Wichita Mountains</p>
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A Detailed Petrographic Analysis Of The Mt. Sheridan Roosevelt Gabbro And Associated Rock Types, Daniel Russell Lasco
A Detailed Petrographic Analysis Of The Mt. Sheridan Roosevelt Gabbro And Associated Rock Types, Daniel Russell Lasco
Masters Theses
"The Mt. Sheridan Roosevelt Gabbro of the Wichita Mountains igneous province in Southwestern Oklahoma underwent dynamic crystallization, resulting in three distinct gabbro zones with a range of pegmatite morphologies spread throughout. The three zones are informally named the lower, central, and upper zones. The lower zone consists of a quartz and alkali feldspar poor, plagioclase and pyroxene rich, poorly altered, gabbro cumulate. The central zone is comprised of a heavily altered quartz and alkali feldspar rich gabbro with few cumulate textures. The upper zone is mineralogically and texturally identical to the lower zone, distinguished only by its higher elevation. The …