- alkali-rhyolite
- щелочной риолит
English-Russian dictionary of geology. 2011.
alkali-rhyolite
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rhyolite — rhyolitic /ruy euh lit ik/, adj. /ruy euh luyt /, n. a fine grained igneous rock rich in silica: the volcanic equivalent of granite. [1865 70; rhyo (irreg. < Gk rhýax stream of lava) + LITE] * * * Igneous rock that is the volcanic equivalent of… … Universalium
rhyolite — ALASKA VOLCANO OBSERVATORY GLOSSARY Volcanic rock (or lava) that characteristically is light in color, contains 69% silica or more, and is rich in potassium and sodium. GLOSSARY OF VOLCANIC TERMS A volcanic rock containing greater than 68% silica … Glossary of volcanic terms
Rhyolite — This page is about a volcanic rock. For the ghost town see Rhyolite, Nevada, and for the satellite system, see Rhyolite/Aquacade. Rhyolite is an igneous, volcanic (extrusive) rock, of felsic (silicon rich) composition (typically >69% SiO2 mdash;… … Wikipedia
Mount Tibrogargan — Elevation 364 m (1,194 ft) Loca … 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
Igneous rock — Geologic provinces of the world (USGS) Shield … Wikipedia
Granite — For other uses, see Granite (disambiguation). Granite Igneous Rock Granite containing potassium feldspar, plagioclase feldspar, quartz, and biotite and/or amphibole Composi … Wikipedia
Wichita Mountains — Range Elk Mountain, in the eastern Wichita Mountains … Wikipedia
Manhattan, Nevada — Manhattan is a small town in Nye County, Nevada located on State Route 377 about 50 miles north of Tonopah, the county seat, off State Route 376. It originally was founded in 1867 as part of the silver mining boom and then, in 1905, as part of… … Wikipedia
Calc-alkaline — and calc alkalic are equivalent terms applied to groups of igneous rocks that commonly occur together and that have compositions related by the characteristic chemical trends specified below. Understanding the genesis of these rocks is important … Wikipedia
feldspar — /feld spahr , fel /, n. any of a group of minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks. Also, felspar.… … Universalium
