Titlebook: Base Metal Sulfide Deposits in Sedimentary and Volcanic Environments; Proceedings of the D Günther H. Friedrich,Peter M. Herzig Conference

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A Mineralogical, Geochemical and Thermal Profile Through the Agrokipia “B” Hydrothermal Sulfide Depo 350°C with downwelling seawater in Cretaceous pillow lavas. Based on borehole data of secondary mineral distribution, four major alteration zones were distinguished: (1) uppermost low-grade zone (0–154 m), (2) silicified and argillized stockwork zone (154–300 m), (3) underlying propylitic transitio

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Kuroko-Type Ore Deposits on the Aegean Islands, Greeceds of Milos, Kimolos, Poliegos, and Antimilos, which belong to the currently active Aegean island arc. A large number of ore and country rock samples were analyzed to obtain their sulfur isotope ratios and geochemical compositions including trace elements and REE distribution. Based on this data, a

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Geochemical Features of Magmatic Evolution and Ore Deposition in the Pyrite Belt of Southern Spainstratigraphic position and are linked to quartz-keratophyric volcanites, whereas the overlying manganese jasper mineralization occurs on top of a more intermediate to basic volcanic pile. The mineralizations can be located by hydrothermal alteration (e.g., chloritization) and dispersion (e.g., As-,

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Tourmalinites Associated with Australian Proterozoic Submarine Exhalative Oresins. They have undergone mild to intense deformation, have stratigraphic continuity around fold structures and display sedimentary structures such as bedding, graded bedding, cross-bedding, intraformational slumps, and pull-aparts. In higher metamorphic grade areas they display metamorphic textures

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Facing an Unprecedented Disaster,y a high Cu/Pb + Zn ratio. There exists evidence for diagenetic formation of high grade mineralization and associated Rote F?ule by alkaline basinal brines, enriched in Na and sulfate S, which generated due to progressing subsidence of the sedimentary basin..Structure bound mineralization occurs mai

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