WebThe eastern Sunda Arc in Indonesia contains four giant porphyry Cu-Au / high sulfidation epithermal gold deposits in Sumbawa and western Java. Numerous… 15 comments on LinkedIn Webmineral deposit, aggregate of a mineral in an unusually high concentration. About half of the known chemical elements possess some metallic properties. The term metal, however, is reserved for those chemical elements that possess two or more of the characteristic physical properties of metals (opacity, ductility, malleability, fusibility) and are also good …
Porphyry copper deposit - Wikipedia
WebPorphyry copper deposits (and their close relatives, porphyry molybdenum deposits) contain disseminated mineralization, meaning that a large volume of shattered rock contains a … Webin the valley bottom, with outcrops of porphyry vein stockwork plus sericite alteration. Drilling discovered the Kupfertal porphyry Cu-Au deposit (biotite ~10.7 Ma) at depths of 200-400 m below the valley floor, with grades up to 0.4 wt% Cu and 0.4 g/t Au, largely below the valley that bisects this world-class high-sulfidation district simple antibacterial range
Mining investors know that grade is crucial, yet not simple.
WebJan 16, 2024 · The second interval was high-grade with 55.8 g/t Au and 33.5 g/t Ag over 1.5 meters, from 449.5m within Porphyry Y, although no notable veins or mineralization were observed. WebJun 1, 2024 · Quartz and D veins in numerous porphyry deposits globally occupy near-vertical hydrofractures. Accordingly, the dip of veins at the Botija deposit suggests … WebIn the deep drillhole BDH 5, centimeter wide,sheeted to conjugate fracture sets host porphyry quartz ± anhydrite veins at depths of 500-700m beneath the central part of the … ravenwatch eso