nepheline basalt

См. также в других словарях:

• nepheline-basalt — nephˈeline basˈalt noun A basalt with nepheline instead of (or in addition to) feldspar • • • Main Entry: ↑nepheline …   Useful english dictionary

• Nepheline — General Category Silicate mineral Chemical formula (Na,K)AlSiO4 …   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

• Zhokhov Island — ( ru. Остров Жохова; Ostrov Zhokhova ) is an island in the East Siberian Sea, situated 128 km north east of Novaya Sibir Island, the easternmost of the New Siberian Islands. Zhokhov Island belongs to the De Long group. It has an area of 77 km².… …   Wikipedia

• Bruntál — Geobox | Settlement name = Bruntál other name = category = Town image caption = | flag border = 1 symbol = Bruntál Wappen.jpg etymology = official name = motto = nickname = country = Czech Republic country state = region = Moravian Silesian… …   Wikipedia

• Vilkitsky Island (East Siberian Sea) — For other islands and geographic features called Vilkitsky see Vilkitsky (disambiguation). Vilkitsky Island ( ru. Oстров Вилькицкого; Ostrov Vilkitskogo ) is the southernmost island of the De Long group in the northern part of the East Siberian… …   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

• Nephelinite — lava (grey) containing a xenolith of peridotite (yellow), Kaiserstuhl, Germany. Nephelinite is a fine grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite). If olivine is present, the rock may… …   Wikipedia

• Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… …   Wikipedia

• Essexite — (pronounced|ˈɛsəksaɪt), also called nepheline monzogabbro (IPA|/ˈnɛfəliːn ˌmɒnzoʊˈgæbroʊ/) is a dark gray or black holocrystalline plutonic igneous rock. Its name is derived from the type locality in Essex County, MA.Modern petrology identifies… …   Wikipedia