Search Results - "Cosca, Michael A."

Infiltration of meteoric water in the South Tibetan Detachment (Mount Everest, Himalaya): When and why? by Gébelin, Aude, Jessup, Micah J., Teyssier, Christian, Cosca, Michael A., Law, Richard D., Brunel, Maurice, Mulch, Andreas

“…The South Tibetan Detachment (STD) in the Himalayan orogen juxtaposes low‐grade Tethyan Himalayan sequence sedimentary rocks over high‐grade metamorphic rocks…”
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40Ar/39Ar Geochronology of Magmatic-Steam Alunite from Alunite Ridge and Deer Trail Mountain, Marysvale Volcanic Field, Utah: Timing and Duration of Miocene Hydrothermal Activity Associated with Concealed Intrusions by Cameron M. Mercer, Michael A. Cosca, Albert H. Hofstra, Wayne R. Premo, Robert O. Rye, Gary P. Landis

“…Porphyry and epithermal deposits are important sources of base and precious metals. Most actively mined deposits have been exhumed such that ore bodies are…”
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Variable exhumation rates and variable displacement rates: Documenting recent slowing of Himalayan shortening in western Bhutan by McQuarrie, Nadine, Tobgay, Tobgay, Long, Sean P., Reiners, Peter W., Cosca, Michael A.

“…We link exhumational variability in space and time to the evolving geometry of the Himalayan fold–thrust belt in western Bhutan. By combining new and published…”
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Thermochronometry Across the Austroalpine‐Pennine Boundary, Central Alps, Switzerland: Orogen‐Perpendicular Normal Fault Slip on a Major “Overthrust” and Its Implications for Orogenesis by Price, Jason B., Wernicke, Brian P., Cosca, Michael A., Farley, Kenneth A.

“…Fifty‐one new and 309 published thermochronometric ages (nine systems with closure temperatures ranging from ~450 to 70°C) from the Graubünden region of the…”
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New kinematic and geochronologic evidence for the Quaternary evolution of the Central Anatolian fault zone (CAFZ) by Higgins, Mark, Schoenbohm, Lindsay M., Brocard, Gilles, Kaymakci, Nuretdin, Gosse, John C., Cosca, Michael A.

“…As the kinematics of active faults that bound the Anatolian plate are well studied, it is now essential to improve our understanding of the style and rates of…”
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Cenozoic tectonic evolution of the Ecemis fault zone and adjacent basins, central Anatolia, Turkey, during the transition from Arabia-Eurasia collision to escape tectonics by Umhoefer, Paul J, Thomson, Stuart N, Lefebvre, Come, Cosca, Michael A, Teyssier, Christian, Whitney, Donna L

“…The effects of Arabia-Eurasia collision are recorded in faults, basins, and exhumed metamorphic massifs across eastern and central Anatolia. These faults and…”
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Fast Pliocene integration of the central Anatolian Plateau drainage; evidence, processes, and driving forces by Brocard, Gilles Y, Meijers, Maud J. M, Cosca, Michael A, Salles, Tristan, Willenbring, Jane, Teyssier, Christian, Whitney, Donna L

“…Continental sedimentation was widespread across the Central Anatolian Plateau in Miocene-Pliocene time, during the early stages of plateau uplift. Today,…”
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Application of U-Th-Pb phosphate geochronology to young orogenic gold deposits; new age constraints on the formation of the Grass Valley gold district, Sierra Nevada foothills province, California by Taylor, Ryan D, Goldfarb, Richard J, Monecke, Thomas, Fletcher, Ian R, Cosca, Michael A, Kelly, Nigel M

“…The Grass Valley orogenic gold district in the Sierra Nevada foothills province, central California, the largest historic gold producer of the North American…”
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Age and mantle sources of Quaternary basalts associated with "leaky" transform faults of the migrating Anatolia-Arabia-Africa triple junction by Cosca, Michael A, Reid, Mary, Delph, Jonathan R, Gonca, Gencalioglu Kuscu, Blichert-Toft, Janne, Premo, Wayne, Whitney, Donna L, Teyssier, Christian, Rojay, Bora

“…The Anatolia (Eurasia), Arabia, and Africa tectonic plates intersect in southeast Turkey, near the Gulf of Iskenderun, forming a tectonically active and…”
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Eocene and Miocene extension, meteoric fluid infiltration, and core complex formation in the Great Basin (Raft River Mountains, Utah) by Methner, Katharina, Mulch, Andreas, Teyssier, Christian, Wells, Michael L., Cosca, Michael A., Gottardi, Raphaël, Gébelin, Aude, Chamberlain, C. Page

“…Metamorphic core complexes (MCCs) in the North American Cordillera reflect the effects of lithospheric extension and contribute to crustal adjustments both…”
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The thermal history of the Eastern Ghats Belt (India) as revealed by U–Pb and 40Ar/39Ar dating of metamorphic and magmatic minerals: implications for the SWEAT correlation by Mezger, Klaus, Cosca, Michael A

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The Baltica‐Laurentia Connection: Sveconorwegian (Grenvillian) Metamorphism, Cooling, and Unroofing in the Bamble Sector, Norway by Cosca, Michael A., Mezger, Klaus, Essene, Eric J.

“…The Sveconorwegian Bamble Sector of south Norway is a segment of the high‐grade metamorphic basement of the Baltic shield generally considered an integral…”
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Recrystallization or cooling ages; in situ UV-laser 40Ar/39Ar geochronology of muscovite in mylonitic rocks by Mulch, Andreas, Cosca, Michael A

“…The intra-grain 40Ar/39Ar age distributions of muscovite from greenschist-facies mylonite zones are shown to be sensors of metamorphic history. Textures,…”
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Cerro Quema (Azuero Peninsula, Panama); geology, alteration, mineralization, and geochronology of a volcanic dome-hosted high-sulfidation Au-Cu deposit by Corral, Isaac, Cardellach, Esteve, Corbella, Mercè, Canals, Àngels, Gómez-Gras, David, Griera, Albert, Cosca, Michael A

“…Cerro Quema (Azuero Peninsula, southwest Panama) is a high-sulfidation epithermal Au-Cu deposit hosted by a dacite dome complex of the Río Quema Formation…”
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Ages of epithermal deposits in Mexico; regional significance and links with the evolution of Tertiary volcanism by Camprubí, Antoni, Ferrari, Luca, Cosca, Michael A, Cardellach, Esteve, Canals, Àngels

“…We present an analysis leading to a new space-time classification of the Mexican epithermal deposits, based on new data and interpretations from seven deposits…”
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Tracking the timing of subduction and exhumation using 40Ar/39Ar phengite ages in blueschist- and eclogite-facies rocks (Sivrihisar, Turkey) by Fornash, Katherine F., Cosca, Michael A., Whitney, Donna L.

“…Geochronologic studies of high-pressure/low-temperature rocks can be used to determine the timing and rates of burial and exhumation in subduction zones by…”
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C–O stable isotope geochemistry and 40Ar/39Ar geochronology of the Bear Lodge carbonatite stockwork, Wyoming, USA by Andersen, Allen K., Larson, Peter B., Cosca, Michael A.

“…The carbonatite dike swarm and vein stockwork at the center of the Paleogene Bear Lodge alkaline complex (BLAC), Wyoming, USA, is host to diverse REE mineral…”
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Rapid late Miocene surface uplift of the Central Anatolian Plateau margin by Meijers, Maud J.M., Brocard, Gilles Y., Cosca, Michael A., Lüdecke, Tina, Teyssier, Christian, Whitney, Donna L., Mulch, Andreas

“…The Central Anatolian Plateau (CAP), Turkey, is bordered to its south by a steep mountain belt that emerged ∼8–7 Ma ago from the Mediterranean Sea. Knowledge…”
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Heterogeneous 40Ar distributions in naturally deformed muscovite: in situ UV-laser ablation evidence for microstructurally controlled intragrain diffusion by Kramar, Nicolas, Cosca, Michael A., Hunziker, Johannes C.

“…Micas are commonly used in 40Ar/ 39Ar thermochronological studies of variably deformed rocks yet the physical basis by which deformation may affect radiogenic…”
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Climate stability in central Anatolia during the Messinian Salinity Crisis by Meijers, Maud J.M., Peynircioğlu, A. Ahmet, Cosca, Michael A., Brocard, Gilles Y., Whitney, Donna L., Langereis, Cor G., Mulch, Andreas

“…Deposition of large amounts of evaporites and erosion of deep canyons within the Mediterranean Basin as a result of reduced basin connectivity with the…”
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