Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"Greisen"”.
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Buffalo Canyon: An Oligocene Greisen-Like Intrusion-Related Gold Deposit in the Union Mining District, Nye County, Nevada
… with alteration and mineralization suggest a greisen-like style of alteration and mineralization. The preponderance of evidence suggests that most gold mineralization at Buffalo Canyon is Oligocene in age, related to a felsic intrusion that only crops outs locally, but is likely extensive in …
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Alcance de las técnicas mineralógicas para el estudio de especiación y movilización de metales y metaloides en suelos contaminados.
… modelos diferentes de yacimientos minerales (greisen, skarn e hidrotermal). El estudio comparativo entre los tres casos permite realizar algunas deducciones relacionadas con el papel que juegan las rocas de caja y las texturas minerales en la dispersión de los contaminantes. Los otros dos …
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Stabilizing energy reconstructions of the surface detector at the Pierre Auger Observatory
… using the well-established Nishimura-Kamata-Greisen and Power Law functions. As instabilities are products of geometrical effects leading to poor constrainment of the energy estimator 1000 m from the shower axis, this thesis explores reconstructions using the signal at 1500 m, but, finding …
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A study of the crystal chemistry, cathodoluminescence, geochemistry and oxygen isotopes in Scheelite: application towards discriminating among differing ore-deposit systems
… and greenstone-hosted, skarn, porphyry, greisen, volcanogenic massive sulfide, breccia and polymetallic deposits) were examined using cathodoluminescence, SEMEDS, LA-ICP-MS and whole-grain stable isotopic analyses. The goal of this study was to assess whether the crystal-chemistry of …
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Characterization of the CRM occurrences in ore deposits of Sardinia
… Late Variscan granite-related deposits such as greisen and hydrothermal veins, locally exploited for their molybdenite, cassiterite, wolframite and arsenopyrite mineralization and skarn deposits. Indeed, skarns are probably the most recurrent type of ore deposits in SW Sardinia (Sulcis …