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13 de may. de 2024 · The mineral assemblages and ore-forming elements of the La’erma and Qiongmo Au–Se deposits are complex. More than 80 minerals have been discovered, including the following: sulfides of Cu, Pb, Zn, As, Mo, Ni, and Sb; selenides; U-bearing minerals; and a large amount of oxides [ 36 ].
11 de may. de 2024 · Hydrothermal alteration of accessory minerals (allanite and titanite) in the late Archean Closepet granitoid (Dharwar Craton, India): A TEM study - ScienceDirect.
21 de may. de 2024 · In this contribution, we present key field observations, in conjunction with a full characterization of the ore mineral and alteration assemblages and compositional data for Au alloys and sphalerite from the Galim-Legalgorou district to constrain the origin, classification, and evolution of the mineralization.
8 de may. de 2024 · The ankerite, sericite, and quartz alteration assemblages indicate a wide pH range, 4.7–5.8, of the ore fluids during mineral precipitation (Fig. 5b).
14 de may. de 2024 · Application of ASTER data for cupriferous paleorelief-related mineralization: The investigation focuses on the utilization of ASTER satellite data, specifically the VNIR, SWIR, and TIR bands, for the detection of alteration minerals and silicification as indicators for cupriferous mineralization exploration in the Western Anti-Atlas region of Mo...
13 de may. de 2024 · Mineral Assemblages and Ore-Forming Physicochemical Conditions of the La’erma and Qiongmo Au–Se Deposits in the Western Qinling Orogen, Central China May 2024 Minerals 14(5):507
8 de may. de 2024 · Combining these mineral assemblages, ore textures, and crosscutting relationships enables the identification of three stages of ore formation (Table 1): an early molybdenite stage (I) in the eastern part of the mining area that is associated with molybdenite veins and biotite alteration (Fig. 5a); a middle Cu-polymetallic sulfide ...
