- acidic porphyry
-
порфиры кислого состава
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Nebbiolo — Nibio redirects here. For the Italian wine grape also known as Nibio, see Dolcetto. For the graphic arts firm and type foundry, see Nebiolo Printech A cluster of Nebbiolo. Nebbiolo (Italian), or Nebieul (Piedmontese) is a red Italian wine grape… … Wikipedia
Ore genesis — The various theories of ore genesis explain how the various types of mineral deposits form within the Earth s crust. Ore genesis theories are very dependent on the mineral or commodity. Ore genesis theories generally involve three components:… … Wikipedia
Geology of the Australian Capital Territory — Australia grew around three fused pieces of very ancient continental crust (cratons). The geology of the Australian Capital Territory includes rocks dating from the Ordovician around 480 million years ago, whilst most rocks are from the Silurian … Wikipedia
Copper mining in the United States — US primary copper production 1900 2008. Source: USGS … Wikipedia
Molybdenum — niobium ← molybdenum → technetium Cr ↑ Mo ↓ W … Wikipedia
Rhenium — tungsten ← rhenium → osmium Tc ↑ Re ↓ Bh … Wikipedia
Copper — For other uses, see Copper (disambiguation) … Wikipedia
Magnetite — Not to be confused with Magnesite or Maghemite. Magnetite Magnetite and pyrite from Piedmont Italy … Wikipedia
Baltic Shield — The Baltic Shield (sometimes referred to as the Fennoscandian Shield) is located in Fennoscandia (Norway, Sweden and Finland), northwest Russia and under the Baltic Sea. The Baltic Shield is defined as the exposed Precambrian northwest segment of … Wikipedia
Clastic rock — A thin section of a clast (sand grain), derived from a basalt score. Vesicles (air bubbles) can be seen throughout the clast. Plane light above, cross polarized light below. Scale box is 0.25 mm Clastic rocks are composed of fragments, or clasts … Wikipedia
Carbonate hosted lead zinc ore deposits — World wide distribution of MVT deposits, (red), clastic sediment hosted (green), and unclassified (blue) lead zinc deposits. Source: USGS Carbonate hosted lead zinc ore deposits are important and highly valuable concentrations of lead and zinc… … Wikipedia