نتایج جستجو برای: polymetallic mineralization
تعداد نتایج: 13764 فیلتر نتایج به سال:
Abstract Situated in the western Erzgebirge metallogenetic province (Vogtland, Germany), Eichigt prospect is associated with several quartz-Mn-Fe-oxyhydroxide veins that are exposed at surface. Bulk-rock geochemical assays of vein material yield high concentrations Li (0.6–4.1 kg/t), Co (0.6–14.7 and Ni (0.2–2.8 as well significant quantities Mn, Cu, light rare earth elements, a very unusual me...
BACKGROUND There is growing interest in mining polymetallic nodules from the abyssal Clarion-Clipperton Zone (CCZ) in the tropical Pacific Ocean. Despite being the focus of environmental studies for decades, the benthic megafauna of the CCZ remain poorly known. In order to predict and manage the environmental impacts of mining in the CCZ, baseline knowledge of the megafauna is essential. The AB...
Polymetallic sulfides present in mid-ocean ridges (MORs) have become important strategic resources for humans, and a scientific metallogenic model is necessary the investigation exploration of these resources. Compared to fast- slow-spreading MORs, ultraslow-spreading MORs show substantial differences magma supply, tectonic activity, oceanic crust structures. However, information on hydrotherma...
Geochemical gene is a new promising concept proposed recently in the discrimination and traceability of geological materials also useful tool to recognize geochemical anomalies mineral exploration. Based on lithogenes LG01 LG03, can be classified into nine types LG_CR compositionally. With respect with 11 LG_CR, order eliminate lithological influence further narrow prospecting target area, tung...
The Huoluotai Cu (Mo) deposit is a recently discovered porphyry in the northern Great Xing’an Range, NE China. Fluid inclusion (FI) micro-thermometry results and C–H–O–S–Pb isotope compositions of are presented this study. ore-forming process consists sulfide-barren quartz stage (I), + chalcopyrite ± pyrite molybdenite (II), polymetallic sulfide (III), calcite fluorite (IV). mineralization occu...
In the magmatic-hydrothermal environment, fluids with similar metal concentrations and sources may yield contrasting mineral assemblages in successive stages of sulphide mineralization. These differences are linked to physico-chemical conditions mineralizing (e.g., T, pH, fS2, fO2) acquired during their interaction country rocks and/or by mixing groundwater. Here, we integrate petrography osmiu...
VI.1-HIGH MOLECULAR WEIGHT INORGANIC COMPLEXES Large polymetallic complexes are potentially useful molecules in a variety of areas. Photochemically active compounds are under investigation as efficient photoinitiators for solar-energy conversion, catalysts, and as selective “light-activated anticancer drugs”. On a molecular level, these large organometallic species typically contain light-absor...
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