 | | Journal (article/letter/editorial) | | audgeothcmlalreseafih ELSEVIER Journal of Volcanology and Geothermal Research 73 (1996) 99-l 18 The 634S composition...of sulfates and sulfides at the Los Humeros geothermal system, Mexico and their application to physicochemical...Nancy, France h hstituto de Geojbica, UNAM, Mexico, Mexico D.F. Received 18 July 1994; accepted 7 November...dissolved in the present-day geothermal fluids in the Los Humeros system, Mexico. Analysis of the isotopic...demonstrated that the sulfur compounds of the geothermal system were derived from a diagrams showed that the |  | | Journal (article/letter/editorial) | | S IN C H L O R I T E AT THE LOS H U M E R O S GEOTHERMAL SYSTEM, MEXICO RAYMUNDO G. MART[NEz-SERRANO1...Autdnoma de Mdxico, Ciudad Universitaria, 04510 Mexico D.E, Mexico z Universit6 des Sciences et Techniques de...boreholes in a study of the active geothermal system of Los Humeros, Mexico. Bulk rock composition of 6 different...range of chemical compositions in this hydrothermal system that reflect the particular conditions of crystallization...affects the iron distribution in chlorite of Los Humeros. Changes in the oxygen fugacity of fluids at |  | | Journal (article/letter/editorial) | | Analysis of heterogeneous characteristics in a geothermal area with low permeability and high temperature...113, Col. Palmira, Cuernavaca, Morelos, CP 62490, Mexico a r t i c l e i n f o a b s t r a c t Article...in the central and southwestern zones of Los Humeros geothermal field (LHGF). This study involves analysis...wells located in the central western side of the geothermal field are productive, whereas those located at...org/ licenses/by-nc-nd/4.0/). Keywords: Los Humeros geothermal field Reservoir performance Hot rock Enthalpy |  | | Journal (article/letter/editorial) | | Clays from the Charo Canyon, State of Michoacan, Mexico 330 A1-Cation 232, 240 A1 Coordination 481 Copyright...Clays from the Charo Canyon, State of Michoac~in, Mexico 330 Casal, Blanca (with Giora Rytwo, Shlomo Nir...Chemical Variations in Chlorite at the Los Humeros Geothermal System, Mexico, by Raymundo G. Martfnez-Serrano...Chemical Variations in Chlorite at the Los Humeros Geothermal System, Mexico 615 D'yakonov, Yurii S. (with Milan...Clays from the Charo Canyon, State of Michoacfin, Mexico, by G. Carajal de la Torre, I. Israde Alc~intara |  | | Journal (article/letter/editorial) | | phyllosilicates formed in hydrothermally altered rocks and geothermal systems (Cathelineau & Nieva 1985, Parneix et...associated with abundant quartz, amphibole, pyrite, and hematite (Fig. 2). Analytical methods X-ray diffraction...in association with hematite are shown in Fig. 6. In the altered part of hematite crystals, chlorite is...dissolved cavities of hematite. Quartz crystal formed in the inner core of the altered hematite is subsequently...chlorite around pyrite. Symbol; C – chlorite, H – hematite. PY – pyrite, and Q – quartz. Scale; 200 m m for |  | | Book (volume) | | ECONOMIC GEOLOGY, MEXICO The Geology of North America O r > W 4^ *1^ ^ ^ \ \ f ax4 u \ \...of North America Volume P-3 Economic Geology^ Mexico Edited by Guillermo P. Salas Geologo Consultor...Centro Minero Nacional Carretera Mexico-Pachuca Pachuca, Hgo., Mexico, D.F. 1991 EXPLORATION LIBRARY...reserved. Geologia economica de Mexico. English. Economic geology, Mexico / edited by Guillermo P. Salas...; v. P-3) Translation of Geologia economica de Mexico. Includes bibliography references and index. ISBN |  | | Journal (article/letter/editorial) | | actinolite, clinopyroxene (augite and diopside), hematite, pyrite and chalcopyrite replacement is also recognized...pyroxene, alkali amphibole, olivine, quartz, calcite, hematite, pyrite, chalcopyrite and titanite. EXPERIMENTAL...Wollastonite (Si and Ca), rutile (Ti), corundum (Al), hematite (Fe), manganosite (Mn), eskolaite (Cr), periclase...of Mg-phyllosilicate formation in a hydrothermal system at a sedimented ridge (Middle Valley, Juan de Fuca)...Clay Minerals geothermometer The Los Azufres (Mexico) geothermal system. Contributions to Mineralogy and |  | Bozkaya, Ömer, Bozkaya, Gülcan, Yılmaz, Hüseyin, Hozatlıoğlu, Deniz, Banks, David A. (2019) The origin, age and duration of hydrothermal alteration associated with iron skarn mineralization determined from clay/phyllosilicate minerals, Bizmişen-Erzincan, East-Central Turkey. Ore Geology Reviews, 115. 103179 doi:10.1016/j.oregeorev.2019.103179 | Journal (article/letter/editorial) | | clays formed from magmatic fluids in a hydrothermal system that persisted well after the intrusion of the...(Fig. 2). The main ore mineral is magnetite, but hematite, maghemite, goethite/limonite, pyrite and chalcopyrite...different styles of iron mineralization (magnetite and hematite) occur in different locations (Fig. 1b): (1) endoskarn...irradiation, samples were attached to a laser fusion system, the vials were broken under a 1 × 10−8 Torr vacuum...(Fig. 7f) were crystallized within the magnetite/hematite ore (see Fig. 4g, h and Fig. 5f). The d060 values |  | Gardien, Véronique, Rabinowicz, Michel, Vigneresse, Jean-Louis, Dubois, Michel, Boulvais, Philippe, Martini, Rossana (2016) Long-lived interaction between hydrothermal and magmatic fluids in the Soultz-sous-Forêts granitic system (Rhine Graben, France) Lithos, 246. 110-127 doi:10.1016/j.lithos.2015.12.002 | Journal (article/letter/editorial) | | magmatic fluids in the Soultz-sous-Forêts granitic system (Rhine Graben, France) Véronique Gardien a,⁎, Michel...(PFI) in quartz in a magma-dominated hydrothermal system (Allan and Yardley, 2007; Baker and Andrew, 1991;...region offers a unique opportunity since deep geothermal drill holes allow sampling at about 5000 m below...potential for geothermal energy development (Genter and Traineau, 1996). Deep geothermal holes were drilled...the decomposition of magnetite into fine grained hematite and illite, and resulting in a loss of bulk magnetic |  | | Report (volume) | | the epdiote minerals, from low temperature in geothermal fields (Chapter 6, Bird and Spieler), to common...Weiss (1820) presented a theory of the epidote system and also discussed crystal morphological features...and orthorhombic epidote minerals in the ternary system Al-Fe-Mn; the majority of natural crystals lies...unpublished results), and in hydrothermal epidote from geothermal fields (Bird and Spieler 2004), and might in...positive sign on the Al-rich side of the ternary system, and this field extends to much higher degree of |  | | Report (chapter) | | application of sulfate isotope geothermometry to geothermal systems and hydrothermal mineral deposits. In...1974, Criss and Taylor 1986, Seal and Rye 1992). Geothermal waters commonly have hydrogen isotope compositions...minerals are limited. The gypsumdissolved sulfate system has been investigated by Thode and Monster (1965)...(1965) and the barite-dissolved sulfate system has been investigated by Kusakabe and Robinson (1977). Both...The fractionation expression for the barite-water system in Table 1 is derived from the experimental work |  | | Report (volume) | | ...................... Chemical divides in the system Ca2+-SO/ -HC0 3- ................................................................... 356 The Fe system .................................................................................... 356 The Al system .................................................FORMATION ................................. 378 The Fe System .................................................................................... 379 The AI system .............................................. |  | | Report (volume) | | 295) Stability range of sulfide phases in magmatic systeM .............ccccccsseessesseseeseseeseeeens 296...Melts — Table of Contents MAGMAS OF OTHER SOLAR SYSTEM BODIES .......:cccsceccsseseeseesesseeessnesseeneeseneeneenens...Conditions, Surveillance, Plume Chemistry and Earth System Impacts Clive Oppenheimer, Bruno Scaillet Robert...also affected the evolution of the early solar system. Furthermore, sulfur plays important roles in technical...are usually composed of various components in the system S-O-H-C-Cl, but other halogens and N may also be |
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