granitic magma

  • 61granitization — /gran i teuh zay sheuhn/, n. a hypothetical process of forming granite. Also called granitification /gran i teuh fi kay sheuhn/. [1890 95; GRANITIZE + ATION] * * * ▪ geology       formation of granite or closely related rocks by metamorphic… …

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  • 62mica — micalike, adj. /muy keuh/, n. any member of a group of minerals, hydrous silicates of aluminum with other bases, chiefly potassium, magnesium, iron, and lithium, that separate readily into thin, tough, often transparent, and usually elastic… …

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  • 63Miarolitic cavity — Miarolitic cavities (or miarolitic texture) are typically crystal lined irregular cavities or vugs most commonly found in granitic pegmatites, but also found in a variety of igneous rocks. The central portions of pegmatites are often miarolitic… …

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  • 64Crust (geology) — Geologic provinces of the world (USGS)   Shield …

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  • 65Chalcopyrite — Twinned chacopyrite crystal from the Camp Bird Mine, Ouray County, Colorado (size:5.2 x 3.6 x 2.7 cm) General Category Sulfide mineral …

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  • 66Charnockite — Late stage charnockite dykes cutting anorthosite, Rogaland, Norway Charnockite (   …

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  • 67Nokhu Crags — Nokhu Crags, seen from State Highway 14 on the west side of Cameron Pass Elevation …

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  • 68Geology of the Australian Capital Territory — Australia grew around three fused pieces of very ancient continental crust (cratons). The geology of the Australian Capital Territory includes rocks dating from the Ordovician around 480 million years ago, whilst most rocks are from the Silurian …

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  • 69Brandberg Mountain — Infobox Mountain Name=The Brandberg Photo=Brandberg Mountain Panorama.jpg Caption=The Brandberg Massif viewed from the south at sunset Elevation= convert|2573|m|ft|abbr=on|lk=on [http://landsat.usgs.gov/gallery/detail/367/ landsat.usgs.gov] ]… …

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  • 70Aplite — Filon aplitique d un granodiorite, Železné hory, République tchèque Filons ap …

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