Definition of Trachyandesite. Meaning of Trachyandesite. Synonyms of Trachyandesite

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Definition of Trachyandesite

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Meaning of Trachyandesite from wikipedia

- Trachyandesite is an extrusive igneous rock with a composition between trachyte and andesite. It has little or no free quartz, but is dominated by sodic...
- is intermediate in composition between basalt and andesite Basaltic trachyandesite – Naming system for volcanic rocksPages displaying short descriptions...
- Trachybasalt. S2 (Basaltic trachyandesite)—*Sodic and pot****ic variants are Mugearite and Shoshonite. S3 (Trachyandesite—*Sodic and pot****ic variants...
- basalt-trachybasalt-trachyandesite volcanoes (Ngorongoro also contains trachydacite) and the 1.6-1.5 Ma Oldeani basalt-trachyandesite volcano. The highlands...
- descended over steep slopes. Tambora has produced trachybasalt and trachyandesite rocks which are rich in pot****ium. The volcanics contain phenocrysts...
- rock. More specifically, it is a pot****ium-rich variety of basaltic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundm****...
- example in the intrusive dioritic pluton of El Teniente, Chile and in trachyandesite pumice erupted by El Chichón volcano, Mexico. The name anhydrite was...
- an estimated VEI of 7. An estimated 41 km3 (10 cu mi) of pyroclastic trachyandesite were ejected, weighing about 10 billion tonnes. This left a caldera...
- mafic compositions. Typical intermediate rocks include andesite and trachyandesite among volcanic rocks and diorite and granodiorite among plutonic rocks...
- Andesite Anorthosite Aplite Basalt Alkali basalt Picrite basalt Basaltic trachyandesite Mugearite Shoshonite Basanite Blairmorite Boninite Carbonatite Charnockite...