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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
Search results
Showing 81 to 90 of 1233 (0.064 seconds)| 81 |
A fluid inclusion study of calcium metasomatism and Zr-Y-REE-Nb-Be mineralization in peralkaline granite at Strange Lake, Laborador-Québec, Canada /Salvi, Stefano January 1990 (has links)
No description available.
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Petrogenetic Temperature Of The Oka CarbonatiteFriel, John J. January 1972 (has links)
The Oka complex is a carbonatite and feldspathoidal silicate complex belonging to the alkaline intrusive suite of the Monteregian petrographic province. In order to learn more about the petrogenesis of this carbonatite, a temperature of 710 C was determined from the intersection of the fO2-T curves for the minerals: olivine, magnetite, latrappite. This is the temperature at which the minerals were last in oxygen equilibrium, and it is believed to be the original solidus. This temperature is in agreement with O18/O16 work (Conway and Taylor, 1969), and it is reasonable in light of Wyllie's work on synthetic systems (1966). Wyllie also found the presence of a liquid phase at these temperatures throughout a wide range of pressures, and therefore, the Oka carbonatite is believed to be of magmatic origin. The mineralogy and phase equilibria of the mineral, latrappite, are also studied, and some possible explanations for the problems associated with its crystal chemistry are discussed. / Earth and Environmental Science
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Paleontology and Paleoecology of the Nada Member of the Borden Formation (Lower Mississippian) in Eastern KentuckyLi, Aiguo January 2000 (has links)
No description available.
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Conodont Biostratigraphy of the Middle and Upper Ordovician Viola Group of the South-Central Oklahoma Arbuckle AnticlineDresbach, Russell Ivan January 1983 (has links)
No description available.
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| 85 |
Apatite in the Kensington and Sainte-Véronique plutons, near Mont- Laurier, Québec : an indicator of magmatic and hydrothermal processesAndrews, Oluf E.G. January 1996 (has links)
No description available.
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Geochemical Interpretations of Water: Quality Changes Resulting from Surface Mining Within Watershed MO-9, Muskingum County, OhioHakundy, Rhonda G. January 1987 (has links)
No description available.
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The Geology and Hydrothermal Alteration and Mineralization of the Black Gulch Creek Area Southern Breckenridge Mining District, ColoradoHays, Judith Lynne January 1980 (has links)
No description available.
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Foraminiferal Biostratigraphy and Paleocology of Dry Valley Drilling Cores 10 and 11, Taylor Valley, AntarcticaIshman, Scott E. January 1985 (has links)
No description available.
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Origin and Evolution of Brines from the "Clinton" Sandstone, Eastern Ohio, Using Variations in Geochemical and Isotopic Data, with Applications to Petroleum MigrationLowry, Robert Michael January 1986 (has links)
No description available.
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| 90 |
Spoil Erosion and Valley Aggradation in Mason Township, Lawrence County, OhioKlinedinst, Philip Wakefield January 1981 (has links)
No description available.
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