Results 221 to 230 of about 5,319 (257)

Newly discovered Late Triassic Baqing eclogite in central Tibet indicates an anticlockwise West-East Qiangtang collision. [PDF]

Sci Rep, 2018
Zhang YX, Jin X, Zhang KJ, Sun WD, Liu JM, Zhou XY, Yan LL.   +6 more
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Probing layered arc crust in the Lesser Antilles using receiver functions. [PDF]

R Soc Open Sci, 2018
Schlaphorst D, Melekhova E, Kendall JM, Blundy J, Latchman JL.   +4 more
europepmc   +1 more source

Early arc crust formation preserved in the Grenadines archipelago, southern Lesser Antilles arc. [PDF]

R Soc Open Sci
Camejo-Harry M, Melekhova E, Aufrère S, McCarthy A, Blundy J.   +4 more
europepmc   +1 more source

Thermobarometry, ⁴⁰Ar/³⁹Ar geochronology, and structure of the Main Central Thrust zone and Tibetan Slab, eastern Nepal Himalaya

, 1988
Mary S. Hubbard
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Machine Learning Thermobarometry for Biotite‐Bearing Magmas

Journal of Geophysical Research: Solid Earth, 2022
AbstractBiotite (sensu lato) is a widespread rock‐forming mineral in magmatic rocks that can be stable in a broad range of pressure and temperature, but appropriate biotite thermometers or barometers are lacking. Based on a collected experimental dataset (n = 839, T = 625–1,325°C, P = 1–48 kbar) containing biotites that span a wide compositional range [
Xiaoyan Li, Chao Zhang
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On thermobarometry

Journal of Metamorphic Geology, 2008
AbstractThermobarometry, the estimation of the pressure–temperature (P–T) conditions of metamorphism, can be undertaken by using pseudosection calculations as well as by conventional methods. Conventional thermobarometry uses only the equilibrium thermodynamics of balanced reactions between end‐members of minerals, combined with the observed ...
R. POWELL, T. J. B. HOLLAND
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Thermobarometry in granulites: pitfalls and new approaches

Precambrian Research, 1992
Abstract Computer models of cooling granulite-facies rocks with the assemblage garnet+biotite+sillimanite+K-feldspar±plagioclase+quartz are presented that incorporate simultaneous reaction (net transfer and exchange) and multicomponent diffusion in garnet.
Frank S. Spear, Frank P. Florence
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Single-pyroxene thermobarometry

Tectonophysics, 1980
Abstract Enstatites in peridotites from the Vourinos ophiolites, Greece, have exceptionally high Cr/Al ratios, though the pyroxenes are in equilibrium with picotite. Phase-chemistry data yield new empirical relations for the critical effect of Cr on Al solubility, in full agreement with local Cr/Al ratio variations observed in some massifs. These new
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Thermodynamic Modeling and Thermobarometry of Metasomatized Rocks

2012
Determining the P-T conditions at which metasomatism occurs provides insight into the physical conditions at which fluid-rock interaction occurs in the crust. However, application of thermodynamic modeling to metasomatized rocks is not without pitfalls.
Goncalves, Philippe, Marquer, Didier, Oliot, Emilien, Durand, Cyril   +3 more
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Status of thermobarometry in granitic batholiths

Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 1996
ABSTRACT:Most granitic batholiths contain plutons which are composed of low-variance mineral assemblages amenable to quantification of the P– conditions that characterise emplacement. Some mineral thermometers, such as those based on two feldspars or two Fe–Ti oxides, commonly undergo subsolidus re-equilibration.
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