Search Results - "Contributions to mineralogy and petrology"

“Fingerprinting” tectono-magmatic provenance using trace elements in igneous zircon by Grimes, C. B., Wooden, J. L., Cheadle, M. J., John, B. E.

“…Over 5300 recent SHRIMP-RG analyses of trace elements (TE) in igneous zircon have been compiled and classified based on their original tectono-magmatic setting…”
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An experimental study of amphibole stability in low-pressure granitic magmas and a revised Al-in-hornblende geobarometer by Mutch, E. J. F., Blundy, J. D., Tattitch, B. C., Cooper, F. J., Brooker, R. A.

“…We report new experimental data on the composition of magmatic amphiboles synthesised from a variety of granite (sensu lato) bulk compositions at near-solidus…”
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An H2O–CO2 mixed fluid saturation model compatible with rhyolite-MELTS by Ghiorso, Mark S., Gualda, Guilherme A. R.

“…A thermodynamic model for estimating the saturation conditions of H 2 O–CO 2 mixed fluids in multicomponent silicate liquids is described. The model extends…”
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Application of Ti-in-zircon thermometry to granite studies: problems and possible solutions by Schiller, David, Finger, Fritz

“…The application of the Ti-in-zircon thermometer to granitic rock requires consideration of a TiO 2 and a SiO 2 during zircon crystallization. Thermodynamic…”
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Fractional crystallization of primitive, hydrous arc magmas: an experimental study at 0.7 GPa by Nandedkar, Rohit H., Ulmer, Peter, Müntener, Othmar

“…Differentiation of mantle-derived, hydrous, basaltic magmas is a fundamental process to produce evolved intermediate to SiO 2 -rich magmas that form the bulk…”
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Partial melting of lower crust at 10–15 kbar: constraints on adakite and TTG formation by Qian, Qing, Hermann, Jörg

“…The pressure–temperature ( P – T ) conditions for producing adakite/tonalite–trondhjemite–granodiorite (TTG) magmas from lower crust compositions are still…”
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Amphibole–melt trace element partitioning of fractionating calc-alkaline magmas in the lower crust: an experimental study by Nandedkar, Rohit H., Hürlimann, Niklaus, Ulmer, Peter, Müntener, Othmar

“…Amphibole is one of the most important hydrous minerals of the middle and lower continental crust and plays a key role in the formation of intermediate to…”
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Machine learning thermobarometry and chemometry using amphibole and clinopyroxene: a window into the roots of an arc volcano (Mount Liamuiga, Saint Kitts) by Higgins, Oliver, Sheldrake, Tom, Caricchi, Luca

“…The physical and chemical properties of magma govern the eruptive style and behaviour of volcanoes. Many of these parameters are linked to the storage pressure…”
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Timescales of crustal melting in the Higher Himalayan Crystallines (Sikkim, Eastern Himalaya) inferred from trace element-constrained monazite and zircon chronology by Rubatto, Daniela, Chakraborty, Sumit, Dasgupta, Somnath

“…The petrology and timing of crustal melting has been investigated in the migmatites of the Higher Himalayan Crystalline (HHC) exposed in Sikkim, India. The…”
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Stability and chemical equilibrium of amphibole in calc-alkaline magmas: an overview, new thermobarometric formulations and application to subduction-related volcanoes by Ridolfi, Filippo, Renzulli, Alberto, Puerini, Matteo

“…This work focuses on a rigorous analysis of the physical–chemical, compositional and textural relationships of amphibole stability and the development of new…”
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Pyrite textures and compositions from the Zhuangzi Au deposit, southeastern North China Craton: implication for ore-forming processes by Li, Xing-Hui, Fan, Hong-Rui, Yang, Kui-Feng, Hollings, Pete, Liu, Xuan, Hu, Fang-Fang, Cai, Ya-Chun

“…The Zhuangzi Au deposit in the world-class Jiaodong gold province hosts visible natural gold, and pyrite as the main ore mineral, making it an excellent…”
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The effect of pressure on sulphur speciation in mid- to deep-crustal arc magmas and implications for the formation of porphyry copper deposits by Matjuschkin, Vladimir, Blundy, Jon D., Brooker, Richard A.

“…Piston cylinder experiments are used to investigate the effect of oxygen fugacity (ƒO 2 ) on sulphur speciation and phase relations in arc magmas at…”
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Melt segregation from silicic crystal mushes: a critical appraisal of possible mechanisms and their microstructural record by Holness, Marian B.

“…One of the outstanding problems in understanding the behavior of intermediate-to-silicic magmatic systems is the mechanism(s) by which large volumes of…”
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Identification of growth mechanisms in metamorphic garnet by high-resolution trace element mapping with LA-ICP-TOFMS by Rubatto, Daniela, Burger, Marcel, Lanari, Pierre, Hattendorf, Bodo, Schwarz, Gunnar, Neff, Christoph, Keresztes Schmidt, Peter, Hermann, Jörg, Vho, Alice, Günther, Detlef

“…Garnet is one of the most robust and ubiquitous minerals that record element zoning during crustal metamorphism. In addition to major elements, zoning in trace…”
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Diagnosing open-system magmatic processes using the Magma Chamber Simulator (MCS): part I—major elements and phase equilibria by Bohrson, Wendy A., Spera, Frank J., Heinonen, Jussi S., Brown, Guy A., Scruggs, Melissa A., Adams, Jenna V., Takach, Marie K., Zeff, Garrett, Suikkanen, Einari

“…The Magma Chamber Simulator (MCS) is a thermodynamic tool for modeling the evolution of magmatic systems that are open with respect to assimilation of partial…”
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Geochemical and Sr–Nd–Li isotopic constraints on the genesis of the Jiajika Li-rich pegmatites, eastern Tibetan Plateau: implications for Li mineralization by Zhao, Hui, Chen, Bin, Huang, Chao, Bao, Chuang, Yang, Qian, Cao, Rui

“…The intimate spatial relationship between the Jiajika Li-rich pegmatites (hosting the largest Li ore deposit in China) and the Majingzi granite pluton allows…”
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Dating magmatic and hydrothermal processes using andradite-rich garnet U–Pb geochronometry by Deng, Xiao-Dong, Li, Jian-Wei, Luo, Tao, Wang, Hong-Qiang

“…Andradite-rich garnet is a common U-bearing mineral in a variety of alkalic igneous rocks and skarn deposits, but has been largely neglected as a U–Pb…”
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Effect of redox on Fe–Mg–Mn exchange between olivine and melt and an oxybarometer for basalts by Blundy, Jon, Melekhova, Elena, Ziberna, Luca, Humphreys, Madeleine C. S., Cerantola, Valerio, Brooker, Richard A., McCammon, Catherine A., Pichavant, Michel, Ulmer, Peter

“…The Fe–Mg exchange coefficient between olivine (ol) and melt (m), defined as Kd Fe T - Mg  = (Fe ol /Fe m )·(Mg m /Mg ol ), with all Fe T expressed as Fe 2+ ,…”
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Amphibole as an archivist of magmatic crystallization conditions: problems, potential, and implications for inferring magma storage prior to the paroxysmal 2010 eruption of Mount Merapi, Indonesia by Erdmann, Saskia, Martel, Caroline, Pichavant, Michel, Kushnir, Alexandra

“…Amphibole is widely employed to calculate crystallization temperature and pressure, although its potential as a geobarometer has always been debated. Recently,…”
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The key role of mica during igneous concentration of tantalum by Stepanov, Aleksandr, A. Mavrogenes, John, Meffre, Sebastien, Davidson, Paul

“…Igneous rocks with high Ta concentrations share a number of similarities such as high Ta/Nb, low Ti, LREE and Zr concentrations and granitic compositions…”
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