WebSome phase relations in the hydrothermally altered rocks of porphyry copper deposits By: Creasey, Saville Cyrus Material type: Text Language: Inglés Publication details: 1959 Description: pp. 351-373 Subject(s): GEOLOGIA ECONOMICA COBRE PORFIDICO GEOQUIMICA PETROLOGIA ALTERACION HIDROTERMAL Other classification: … Web12 apr. 2024 · Whole-rock SiO 2 contents for dated volcanic products from five representative circum-Pacific arc volcanoes are presented in Figure 5, ... In contrast, subglacial volcanism can produce glassy (and hydrothermally altered) volcanic products that are difficult to date using these methods (Flude et al., 2010; ...
Sci-Hub An FT-Raman, Raman and FTIR study of hydrothermally altered ...
Web31 jul. 2003 · Abstract: The Reko Diq, Pakistan mineralized study area, approximately 10 km in diameter, is underlain by a central zone of hydrothermally altered rocks associated … WebFurthermore, Li possesses 2 stable isotopes that can be ratioed in rocks and minerals: the Li isotopic ratio (δ7Li) of hydrothermally-altered ores may hence provide information about mineralizing fluids. jt たばこ 売上
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WebThis study uses logical operator algorithms along with Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) spectral reflectance and emissivity data to map hydrothermally... Web11 apr. 2024 · It occurs as aggregates masses in massive sulfide ores or hydrothermally altered host rocks. Scanning electron microscopy (SEM) study of the chlorites within the Pb-Zn sulfide ores revealed that some chlorites are characterized by chemical oscillatory zoning ( Fig. 8 D), which we speculate may be growth zoning similar to that reported by … WebVolcanic Rock (Aphanitic) Nearby scientific data (1) -66.19668, 18.07706: List Map. Geologic structures. ... Veins Cut Host Volcanics Within And On The South Side Of A West-North-West-Trending Belt Of Hydrothermally Altered Rocks. Ore body information. Strike: NORTH: Dip: 80 E: Depth to bottom: 152.4 M: Depth to top: 0 M: Width: 1249.68 M: adrian helmet morocco