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The Causes and Factors in the Genesis of Bonanza Ore Bodies in the Bakhmut Zone of the Pioneer Stockwork Gold Deposit (Amur Region)
AbstractWhen studying an ore shoot in the Bakhmut ore zone of the Pioneer mesothermal stockwork gold deposit (Amur Region, Russia) of...
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Elemente
Im elementaren Zustand treten in der Natur etwa 20 chemische Elemente auf. Darunter befinden sich gediegene (ged.) Metalle, Metalloide (Halbmetalle)...
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Geological Modeling and Numerical Simulation of Cold-Water Trap in the Low-Sulfidation Epithermal Sirawai Au–Ag Deposit, Mindanao, Philippines
For low-sulfidation epithermal deposits, which are globally significant sources of Au and Ag, we propose a new multi-stage ore-deposition mechanism...
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Music Inspired in Groundwater and Other Components of the Hydrological Cycle
Water, as a symbol of fertility, death and rebirth, appears associated with many classical music works. Rivers, seas, lakes and glaciers are the...
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Valunistoe Epithermal Au–Ag Deposit (East Chukotka, Russia): Geological Structure, Mineralogical–Geochemical Peculiarities and Mineralization Conditions
AbstractThe Valunistoe Au–Ag deposit is the third largest among epithermal deposits in Chukotka after the Kupol and Dvoinoe. It is located at the...
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Illinois Caves and Karst
The Illinois Basin occupies much of Illinois and contains Paleozoic sedimentary rocks consisting of Cambrian through Pennsylvanian strata. Most of...
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The formation of (Ni-Co-Sb)-Ag-As ore shoots in hydrothermal galena-sphalerite-fluorite veins
Unusual hydrothermal native As-sulfide ± native Ag ± arsenide ± antimonide ± sulfosalt ore shoots and their co-genetic sulfide-fluorite-barite-quartz...
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Magmatic Evolution of Garnet-Bearing Highly Fractionated Granitic Rocks from Macao, Southeast China: Implications for Granite-Related Mineralization Processes
The widespread W-(Mo)-Sn-Nb-Ta polymetallic mineralization in Southeast (SE) China is genetically associated with Mesozoic highly fractionated...
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Elements
In nature, about 20 chemical elements occur as minerals in their elementary form. These encompass native metals, metalloids (semi-metals) and...
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Hydrothermale Mineral-Lagerstätten
VieleErzlagerstättehydrothermale Mineral-Lagerstätten bilden sich nicht aus einem Magma, sondern aus hydrothermalen FluidenFluid, die genetisch mit...
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Hydrothermal Mineral Deposits
Many mineral deposits do not form from a magma but from hydrothermal fluids, which can bear a genetic relationship to magmatism or can be completely...
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Diversity of hydrothermal processes and different types of epithermal deposits
It is shown that classical epithermal deposits with hydrothermal explosions, brecciated and framework–lamellar (including agate-like) structures, and...
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Ancient Ore Deposits
Mineral deposits have supplied useful and valuable material for human consumption long before they became objects of scientific curiosity or...
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Hydrothermal Deposits
Hot water is a very effective medium for the transport and enrichment of certain elements that are subsequently precipitated from the water. This can...
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New data for geology and geochemistry of the Rodion gold–quartz deposit, northeastern Russia
This paper is focused on the new data for geology, mineralogy, and geochemistry of stockworks consisting of steep and gentle quartz veins and...
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Tectonics and metallogeny of the Khakandzha ore district in the Okhotsk–Chukotka volcanic belt
The data on the structure, geodynamics, and metallogeny of the Khakandzha ore district in northwestern Okhotsk region are analyzed and the two main...
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Pegmatite
Pegmatite sind sehr grobkörnige bis riesenkörnige magmatische Gesteine, in denen Einzelkristalle bis mehrere Meter groß werden können. Sie bilden...
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Hydrothermale Erz- und Minerallagerstätten
Der Übergang vom pegmatitischen zum hydrothermalen Stadium ist fließend mit allen Übergängen zwischen H2O-reichen Schmelzen, überkritischen Fluiden...
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The electrum of the Agatovskoe deposit (Northeast Russia) and its formation conditions
This paper discusses the largest electrum units precipitated in calcite of the final (“nonproductive”) stage of ore formation. Notably, during...
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Shkol’noe gold deposit, the Russian Northeast
The Shkol’noe deposit is localized in a small granitoid stock, the root portion of which is traced using geophysical data to a depth of 5–8 km. The...