Definition of Pegmatite. Meaning of Pegmatite. Synonyms of Pegmatite

Here you will find one or more explanations in English for the word Pegmatite. Also in the bottom left of the page several parts of wikipedia pages related to the word Pegmatite and, of course, Pegmatite synonyms and on the right images related to the word Pegmatite.

Definition of Pegmatite

Pegmatite
Pegmatite Peg"ma*tite, n. [From Gr. ? something fastened together, in allusion to the quartz and feldspar in graphic granite: cf. F. pegmatite. See Pegm.] (Min.) (a) Graphic granite. See under Granite. (b) More generally, a coarse granite occurring as vein material in other rocks.

Meaning of Pegmatite from wikipedia

- A pegmatite is an igneous rock, formed underground, with interlocking crystals usually larger than 2.5 cm in size (1 in). Most pegmatites are found in...
- The Harding Pegmatite Mine is a former adit mine that extracted lithium, tantalum, and beryllium from a Precambrian pegmatite sill. It ceased operations...
- Pegmatite Point (85°1′S 165°20′W / 85.017°S 165.333°W / -85.017; -165.333Coordinates: 85°1′S 165°20′W / 85.017°S 165.333°W / -85.017; -165.333)...
- Pegmatite Peak (85°39′S 154°39′W / 85.650°S 154.650°W / -85.650; -154.650Coordinates: 85°39′S 154°39′W / 85.650°S 154.650°W / -85.650; -154.650)...
- type of muscovite. Muscovite is the most common mica, found in granites, pegmatites, gneisses, and schists, and as a contact metamorphic rock or as a secondary...
- minerals; this is called a pegmatite. The high water content of the magma made it possible for the crystals to grow quickly, so pegmatite crystals are often quite...
- (40 km) long and 5 miles (8.0 km) wide. The pegmatites intruded into the Ashe Formation. The pegmatites and country rock are part of the Spruce Pine...
- of these are concentrated in exceptionally co****-grained rocks called pegmatites that are typically found in ****s and veins near larger igneous m****es...
- margins of granitic intrusions. In some locations, very co****-grained pegmatite m****es occur with granite. Granite forms from silica-rich (felsic) magmas...
- Greisen is a highly altered granitic rock or pegmatite. Greisen is formed by self-generated alteration of a granite and is a cl**** of endoskarn. Greisens...
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