magnesite rock

См. также в других словарях:

• Magnesite — General Category Carbonate mineral Chemical formula MgCO3 …   Wikipedia

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium

• Ultramafic rock — Ultramafic (also referred to as ultrabasic) rocks are igneous and meta igneous rocks with very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals (dark… …   Wikipedia

• Graphite — For other uses, see Graphite (disambiguation). Graphite Graphite specimen General Category Native element mineral …   Wikipedia

• Serpentinite — is a rock composed of one or more serpentine minerals. Minerals in this group are formed by serpentinization, a hydration and metamorphic transformation of ultramafic rock from the Earth s mantle. The alteration is particularly important at the… …   Wikipedia

• Talc carbonate — is a geologic term for a suite of rock and mineral compositions found in metamorphic ultramafic rocks.The term refers to the two most common end member minerals found within ultramafic rocks which have undergone talc carbonation or carbonation… …   Wikipedia

• Dolomite — This article is about the rock and mineral. For other uses, see Dolomite (disambiguation). Dolomite Dolomite and magnesite – Spain General Cat …   Wikipedia

• Komatiite — Komatiites are ultramafic mantle derived volcanic rocks. They have low SiO2, low K2O, low Al2O3, and high to extremely high MgO. They were named for their type locality along the Komati River in South Africa. True komatiites are very rare and… …   Wikipedia

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• Anthophyllite — Infobox mineral name = Anthophyllite category = boxwidth = boxbgcolor = caption = formula = Hydrous Magnesium Iron silicate (Mg,Fe)7Si8O22(OH)2 molweight = color = gray to green, brown, and beige habit = Rarely as distinct crystals. Commonly… …   Wikipedia