Search Results - "Halter, Werner"

Copper transport by high temperature, sulfur-rich magmatic vapor: Evidence from silicate melt and vapor inclusions in a basaltic andesite from the Villarrica volcano (Chile) by Zajacz, Zoltan, Halter, Werner

“…Silicate melt inclusions have been analyzed in co-crystallized plagioclase, olivine and clinopyroxene in a typical arc-related basaltic-andesite from the…”
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Diffusive reequilibration of quartz-hosted silicate melt and fluid inclusions: Are all metal concentrations unmodified? by Zajacz, Zoltan, Hanley, Jacob J., Heinrich, Christoph A., Halter, Werner E., Guillong, Marcel

“…Experiments were conducted to determine the extent and mechanism by which the composition of quartz-hosted silicate melt inclusions (SMI) and aqueous fluid…”
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Determination of fluid/melt partition coefficients by LA-ICPMS analysis of co-existing fluid and silicate melt inclusions: Controls on element partitioning by Zajacz, Zoltán, Halter, Werner E., Pettke, Thomas, Guillong, Marcel

“…Analyses of co-existing silicate melt and fluid inclusions, entrapped in quartz crystals in volatile saturated magmatic systems, allowed direct quantitative…”
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Magma evolution and the formation of porphyry Cu?Au ore fluids: evidence from silicate and sulfide melt inclusions by Halter, Werner E., Heinrich, Christoph A., Pettke, Thomas

“…Silicate and sulfide melt inclusions from the andesitic Farallón Negro Volcanic Complex in NW Argentina were analyzed by laser ablation ICPMS to track the…”
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The Origin of Cu/Au Ratios in Porphyry-Type Ore Deposits by Halter, Werner E., Pettke, Thomas, Heinrich, Christoph A.

“…Microanalysis of major and trace elements in sulfide and silicate melt inclusions by laser-ablation inductively coupled plasma mass spectrometry indicates a…”
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LA-ICP-MS study of apatite- and K feldspar-hosted primary carbonatite melt inclusions in clinopyroxenite xenoliths from lamprophyres, Hungary: Implications for significance of carbonatite melts in the Earth’s mantle by Guzmics, Tibor, Zajacz, Zoltán, Kodolányi, János, Halter, Werner, Szabó, Csaba

“…We report the results of LA-ICP-MS analyses of rock forming minerals in clinopyroxene-apatite-K feldspar-phlogopite (CAKP) metasomatic xenoliths and primary…”
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Laser-ablation ICP-MS analysis of silicate and sulfide melt inclusions in an andesitic complex I: analytical approach and data evaluation by Halter, Werner E., Pettke, Thomas, Heinrich, Christoph A.

“…Quantitative microanalysis of entire silicate and sulfide melt inclusions by Excimer Laser-ablation inductively-coupled-plasma mass-spectrometry (LA-ICPMS) has…”
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A composition-independent quantitative determination of the water content in silicate glasses and silicate melt inclusions by confocal Raman spectroscopy by Zajacz, Zoltán, Halter, Werner, Malfait, Wim J., Bachmann, Olivier, Bodnar, Robert J., Hirschmann, Marc M., Mandeville, Charles W., Morizet, Yann, Müntener, Othmar, Ulmer, Peter, Webster, James D.

“…A new approach was developed to measure the water content of silicate glasses using Raman spectroscopy, which is independent of the glass matrix composition…”
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From andesitic volcanism to the formation of a porphyry Cu-Au mineralizing magma chamber: the Farallón Negro Volcanic Complex, northwestern Argentina by Halter, Werner E, Bain, Nicolas, Becker, Katja, Heinrich, Christoph A, Landtwing, Marianne, VonQuadt, Albrecht, Clark, Alan H, Sasso, Anne M, Bissig, Thomas, Tosdal, Richard M

“…The geological relations and geochemical composition of extrusive and subvolcanic intrusive rocks of the Upper Miocene Farallón Negro Volcanic Complex (NW…”
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Symplectite in spinel lherzolite xenoliths from the Little Hungarian Plain, Western Hungary: A key for understanding the complex history of the upper mantle of the Pannonian Basin by Falus, György, Szabó, Csaba, Kovács, István, Zajacz, Zoltán, Halter, Werner

“…Two spinel lherzolite xenoliths from Hungary that contain pyroxene–spinel symplectites have been studied using EPMA, Laser ablation ICP-MS and universal stage…”
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Major to trace element analysis of melt inclusions by laser-ablation ICP-MS: methods of quantification by Halter, Werner E., Pettke, Thomas, Heinrich, Christoph A., Rothen-Rutishauser, Barbara

“…Current techniques for the quantification of melt inclusion chemistry require that inclusions are compositionally homogeneous and that post-entrapment…”
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Arsenic(V) adsorption onto α-Al2O3 between 25 and 70°C by HALTER, Werner E, PFEIFER, Hans-Rudolf

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29Si NMR spectroscopy of silica glass: T1 relaxation and constraints on the Si–O–Si bond angle distribution by Malfait, Wim J., Halter, Werner E., Verel, Rene

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LA-ICPMS analyses of silicate melt inclusions in co-precipitated minerals: Quantification, data analysis and mineral/melt partitioning by Zajacz, Zoltán, Halter, Werner

“…We present a new approach to determine the composition of silicate melt inclusions (SMI) using LA-ICPMS. In this study, we take advantage of the occurrence of…”
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Structural control on bulk melt properties: Single and double quantum 29Si NMR spectroscopy on alkali-silicate glasses by Malfait, Wim J., Halter, Werner E., Morizet, Yann, Meier, Beat H., Verel, Rene

“…The structure of 21 binary potassium, rubidium and cesium silicate glasses (in the range 15–50 mol% alkali oxide) was analyzed by 29Si single quantum and…”
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Structural relaxation in silicate glasses and melts: High-temperature Raman spectroscopy by Malfait, Wim J., Halter, Werner E.

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The role of greisenization in cassiterite precipitation at the East Kemptville tin deposit, Nova Scotia by Halter, Werner E, Williams-Jones, Anthony E, Kontak, Daniel J

“…The role of fluid-rock (leucogranite) interaction in forming the greisen-hosted tin (Cu-Zn-Ag) deposit at East-Kemptville, Nova Scotia was investigated by…”
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Origin and evolution of the greisenizing fluid at the East Kemptville tin deposit, Nova Scotia, Canada by Halter, Werner E, Williams-Jones, Anthony E, Kontak, Daniel J

“…The process responsible for greisen-hosted tin mineralization at East Kemptville was investigated using petrographic, chemical, and fluid inclusion analyses of…”
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Application of topaz-muscovite F-OH exchange as a geothermometer by Halter, Werner E, Williams-Jones, Anthony E

“…Recently reported thermodynamic data for the F end member of muscovite permitted calibration of a geothermometer based on the F-OH exchange between muscovite…”
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Modeling fluid–rock interaction during greisenization at the East Kemptville tin deposit: implications for mineralization by Halter, Werner E., Williams-Jones, Anthony E., Kontak, Daniel J.

“…Interaction between a tin-bearing greisenizing fluid and a leucogranitic rock was modeled in order to evaluate the possible role of alteration induced changes…”
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