Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Marianne R. Landtwing"'
1
Relationships between SEM-cathodoluminescence response and trace-element composition of hydrothermal vein quartz
Autor: Thomas Pettke, Marianne R. Landtwing
Publikováno v: American Mineralogist. 90:122-131
Laser-ablation ICP-MS data of hydrothermal vein quartz with zonation in scanning electron microscope cathodoluminescence reveal two groups of trace elements, one that co-varies in concentration with luminosity and another that remains uniform through
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b071632bed9c886f344d24fdc37f25eb
https://doi.org/10.2138/am.2005.1548
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3
From andesitic volcanism to the formation of a porphyry Cu-Au mineralizing magma chamber: the Farallón Negro Volcanic Complex, northwestern Argentina
Autor: Albrecht VonQuadt, Anne M. Sasso, Christoph A. Heinrich, Nicolas Bain, Katja Becker, Thomas Bissig, Alan H. Clark, Werner E. Halter, Marianne R. Landtwing, Richard M. Tosdal
Publikováno v: Journal of Volcanology and Geothermal Research. 136:1-30
The geological relations and geochemical composition of extrusive and subvolcanic intrusive rocks of the Upper Miocene Farallon Negro Volcanic Complex (NW Argentina) were studied to reconstruct the evolution of a deeply eroded andesitic volcano over
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef64a999c636625e8bbac80b81052ba4
https://doi.org/10.1016/j.jvolgeores.2004.03.007
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5
Evolution of the Breccia-Hosted Porphyry Cu-Mo-Au Deposit at Agua Rica, Argentina: Progressive Unroofing of a Magmatic Hydrothermal System
Autor: Christoph A. Heinrich, Eric D. Dillenbeck, Marianne R. Landtwing, Martin H. Leake
Publikováno v: Economic Geology. 97:1273-1292
Detailed geologic mapping has been used to show that Agua Rica is a porphyry-style Cu-Mo-Au deposit that was first overprinted by polystage brecciation associated with a high sulfidation epithermal event and then by a barren surface-venting phreatoma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::44a8e5e930b74f3a2b30d43e26a9a66a
https://doi.org/10.2113/gsecongeo.97.6.1273
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7
Copper deposition during quartz dissolution by cooling magmatic–hydrothermal fluids: The Bingham porphyry
Autor: Marco T. Einaudi, Christoph A. Heinrich, Thomas Pettke, Marianne R. Landtwing, Karsten Kunze, Werner E. Halter, Patrick B. Redmond
Scanning electron microscope cathodoluminescence imaging is used to map successive generations of fluid inclusions in texturally complex quartz veinlets representing the main stage of ore metal introduction into the porphyry Cu–Au–Mo deposit at B
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6e3b3d74eba53f0631d9ad7cbf66b9a
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8
Copper deposition by fluid cooling in intrusion-centered systems: New insights from the Bingham porphyry ore deposit, Utah
Autor: Marco T. Einaudi, Patrick B. Redmond, E. Esra Inan, Marianne R. Landtwing, Christoph A. Heinrich
Publikováno v: Geology. 32:217
Quartz veins in porphyry copper deposits record the physiochemical evolution of fluids in subvolcanic magmatic-hydrothermal systems. We have combined cathodoluminescence (CL) petrography with fluid-inclusion microthermometry to unravel the growth his
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f41600aee3c5f266ed955cd21e360284
https://doi.org/10.1130/g19986.1
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