- leucite-basalt
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лейцитовый базальт
English-Russian dictionary of geology. 2011.
leucite-basalt
Смотреть что такое "leucite-basalt" в других словарях:
Leucite — is a rock forming mineral composed of potassium and aluminium tectosilicate K [AlSi2O6] . Crystals have the form of cubic icositetrahedra but, as first observed by Sir David Brewster in 1821, they are not optically isotropic, and are therefore… … Wikipedia
basalt — basaltic, basaltine /beuh sawl tin, tuyn/, adj. /beuh sawlt , bas awlt, bay sawlt/, n. the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure.… … Universalium
Basalt — For the World War II raid, see Operation Basalt. For the cities, see Basalt, Colorado and Basalt, Idaho. Basalt Igneous Rock Composition … Wikipedia
leucitite — ▪ rock extrusive igneous rock, coloured ash gray to nearly black, that contains leucite and augite as large, single crystals (phenocrysts) in a fine grained matrix (groundmass) of leucite, augite, sanidine, apatite, titanite, magnetite, and … Universalium
Nepheline — General Category Silicate mineral Chemical formula (Na,K)AlSiO4 … Wikipedia
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
Liste des volcans aux États-Unis — Liste des volcans des États Unis et de ses territoires Sommaire 1 Alaska 2 Arizona 3 Californie 4 Colorado 5 … Wikipédia en Français
Liste des volcans des États-Unis — Cet article recense les volcans des États Unis, classés par État ou territoire. Sommaire 1 Liste 1.1 États 1.1.1 Alaska 1.1.2 Arizona … Wikipédia en Français
Liste des volcans des États-Unis et de ses territoires — Sommaire 1 Alaska 2 Arizona 3 Californie 4 Colorado 5 … Wikipédia en Français
basanite — /bas euh nuyt , baz /, n. Petrog. a basaltic rock composed chiefly of plagioclase, olivine, and augite. [1745 55; < L basanites; see BASALT] * * * ▪ rock extrusive igneous rock that contains calcium rich plagioclase feldspar (usually… … Universalium
Basalte — Basalte, vulkanische Gesteine der Tertiär , Diluvial und Alluvialperiode, im wesentlichen aus einem Feldspat oder feldspatähnlichen Mineral (Leucit oder Nephelin), Augit und Magneteisen (oder Titaneisen) bestehend und vielfach Olivin führend.… … Meyers Großes Konversations-Lexikon
