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Oxygen Isotope Geochemistry Of The Geysers Reservoir Rocks California
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Book Synopsis Oxygen Isotope Geochemistry of The Geysers Reservoir Rocks, California by :
Download or read book Oxygen Isotope Geochemistry of The Geysers Reservoir Rocks, California written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Whole-rock oxygen isotopic compositions of Late Mesozoic graywacke, the dominant host rock at The Geysers, record evidence of a large liquid-dominated hydrothermal system that extended beyond the limits of the present steam reservoir. The graywackes show vertical and lateral isotopic variations that resulted from gradients in temperature, permeability, and fluid composition during this early liquid-dominated system. All of these effects are interpreted to have resulted from the emplacement of the granitic "felsite" intrusion 1-2 million years ago. The [delta]18O values of the graywacke are strongly zoned around a northwest-southeast trending low located near the center of and similar in shape to the present steam system. Vertical isotopic gradients show a close relationship to the felsite intrusion. The [delta]18O values of the graywacke decrease from approximately 15 per mil near the surface to 4-7 per mil 300 to 600 m above the intrusive contact. The [delta]18O values then increase downward to 8-10 per mil at the felsite contact, thereafter remaining nearly constant within the intrusion itself. The large downward decrease in [delta]18O values are interpreted to be controlled by variations in temperature during the intrusive event, ranging from 150°C near the surface to about 425°C near the intrusive contact. The upswing in [delta]18O values near the intrusive contact appears to have been caused by lower rock permeability and/or heavier fluid isotopic composition there. Lateral variations in the isotopic distributions suggests that the effects of temperature were further modified by variations in rock permeability and/or fluid-isotopic composition. Time-integrated water:rock ratios are thought to have been highest within the central isotopic low where the greatest isotopic depletions are observed. We suggest that this region of the field was an area of high permeability within the main upflow zone of the liquid-dominated hydrothermal system. The lowest water:rock ratios and permeabilities are found in the Northwest Geysers where the least depleted rocks occur.
Book Synopsis The Hydrothermal Petrology and Stable Isotope Geochemistry of Two Wells in the Geysers Geothermal Field, Sonoma County, California by : Jeffrey Neal Sternfeld
Download or read book The Hydrothermal Petrology and Stable Isotope Geochemistry of Two Wells in the Geysers Geothermal Field, Sonoma County, California written by Jeffrey Neal Sternfeld and published by . This book was released on 1981 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stable Isotope Geochemistry of the Reservoir Rocks of the Active Geothermal System in Valles Caldera, New Mexico by : Petros P. Caparis
Download or read book Stable Isotope Geochemistry of the Reservoir Rocks of the Active Geothermal System in Valles Caldera, New Mexico written by Petros P. Caparis and published by . This book was released on 1987 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluid Inclusion and Oxygen Isotope Geothermometry of Rock Samples from Sinclair #4 and Elmore #1 Boreholes, Salton Sea Geothermal Field, Imperial Valley, California, U.S.A. by : John Thomas Freckman
Download or read book Fluid Inclusion and Oxygen Isotope Geothermometry of Rock Samples from Sinclair #4 and Elmore #1 Boreholes, Salton Sea Geothermal Field, Imperial Valley, California, U.S.A. written by John Thomas Freckman and published by . This book was released on 1978 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Petrology, Hydrothermal Mineralogy, Stable Isotope Geochemistry and Fluid Inclusion Geothermometry of Borehole Mesa 31-1, East Mesa Geothermal Field, Imperial Valley, California by : Keith Ray Miller
Download or read book Petrology, Hydrothermal Mineralogy, Stable Isotope Geochemistry and Fluid Inclusion Geothermometry of Borehole Mesa 31-1, East Mesa Geothermal Field, Imperial Valley, California written by Keith Ray Miller and published by . This book was released on 1980 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Workshop Report written by and published by . This book was released on with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Trace Metals and Major and Rare Earth Elements in Cuttings from Five High-temperature Wells in the Northwest Region of The Geysers, California, Vapor-dominated Geothermal System by : Robert Orville Fournier
Download or read book Trace Metals and Major and Rare Earth Elements in Cuttings from Five High-temperature Wells in the Northwest Region of The Geysers, California, Vapor-dominated Geothermal System written by Robert Orville Fournier and published by . This book was released on 1995 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Publications of the Geological Survey by : Geological Survey (U.S.)
Download or read book New Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1989 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monograph on the Geysers Geothermal Field by : Claudia Stone
Download or read book Monograph on the Geysers Geothermal Field written by Claudia Stone and published by . This book was released on 1992 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Publications of the U.S. Geological Survey by :
Download or read book New Publications of the U.S. Geological Survey written by and published by . This book was released on 1989 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geothermal Energy by : Geothermal Resources Council. Meeting
Download or read book Geothermal Energy written by Geothermal Resources Council. Meeting and published by . This book was released on 2002 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research in the Geysers-Clear Lake Geothermal Area, Northern California by :
Download or read book Research in the Geysers-Clear Lake Geothermal Area, Northern California written by and published by . This book was released on 1981 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geothermal Development in the Pacific Rim by :
Download or read book Geothermal Development in the Pacific Rim written by and published by Geothermal Resources Council. This book was released on 1996 with total page 904 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gas and Isotope Geochemistry of 81 Steam Samples from Wells in The Geysers Geothermal Field, Sonoma and Lake Counties, California, U.S.A. by :
Download or read book Gas and Isotope Geochemistry of 81 Steam Samples from Wells in The Geysers Geothermal Field, Sonoma and Lake Counties, California, U.S.A. written by and published by . This book was released on 1999 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Comprehensive Study of Samples from Geothermal Reservoirs by :
Download or read book A Comprehensive Study of Samples from Geothermal Reservoirs written by and published by . This book was released on 1977 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Environmental Isotope Geochemistry by : Peter Fritz
Download or read book Handbook of Environmental Isotope Geochemistry written by Peter Fritz and published by . This book was released on 1980 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Environmental Overview of Geothermal Development by :
Download or read book An Environmental Overview of Geothermal Development written by and published by . This book was released on 1978 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
