WebFeb 5, 2014 · Most of the porphyry Cu, skarn and vein-type base metal and precious metal deposits in Iran are associated with these calc-alkaline igneous rocks in the UDMA (e.g. Bazin and Hubner, ... WebAdditionally, antimony and stibnite can be found in deposits formed in volcanogenic seafloor settings, as well as in epithermal vein-type mineralization and in sediment-hosted distal-disseminated mineralization located in the periphery of porphyry systems [3,4,5,6,7,8].
Mineralogy, Geochemistry and Fluid Inclusion Study of the Stibnite Vein …
WebApr 11, 2024 · RT @paola_rojas: Mining investors know that grade is crucial, yet not simple. Because what's high for copper porphyry may be low for vein systems and so on. Hence, here is your primer on grades by metal and deposit type. (I promise you'll want to bookmark this) 11 Apr 2024 23:28:05 WebAug 10, 2024 · The banded-type quartz are from banded porphyry veins which are abundant in shallow gold-rich porphyry deposits (Muntean and Einaudi 2000 and 2001; Koděra et al. 2014; Rottier et al. 2016). The banded texture of these veins is due to the high abundance of vapor inclusions and small magnetite grains included in the quartz and distributed parallel … crypto means hidden
Minerals Free Full-Text Mineral Mapping and Vein Detection in ...
WebJun 1, 2024 · In order to analyze the hydro-mechanical controls on porphyry deposit veining, we study the Permian San Pedro porphyry deposit in the San Rafael Massif in central … WebSep 5, 2024 · Stage 2, distributed alongside the JSF, is characterized by porphyry Mo and vein-type Pb–Zn–Ag mineralization related to I- and A-type granitoids at 145–125 Ma . Stage 3, mainly in the Cathaysia Block, consists of granite-related porphyry Mo mineralization and epithermal Pb–Zn/Au–Ag mineralization at 125–90 Ma [12,19]. WebDrill core sample photographs of the mainly developed veins in the Siah Diq porphyry Cu–Au prospect. (a and b) Pyrite and chalcopyrite A-type veins cross-cutting andesite porphyry. (c) Pyrite, quartz, and chalcopyrite D-type vein with eye-catching alteration salvage of quartz and serecite cross-cutting an A-type vein. crypto mechanics