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...
- targets – Basaltic lava with a flowing, often ropy appearance 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...
- 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...
- Huechulafquen. This cone has three craters. A tephra layer of black trachyandesite has been linked to Huanquihue and is dated 4028-4212 BP. Varve count...
- granite Anorthosite Aplite Basalt Alkali basalt Picrite basalt Basaltic trachyandesite Mugearite Shoshonite Basanite Blairmorite Boninite Carbonatite Charnockite...
- mafic compositions. Typical intermediate rocks include andesite and trachyandesite among volcanic rocks and diorite and granodiorite among plutonic rocks...
- along ring faults ****ociated with caldera collapse. Rock types include trachyandesite, trachyte, syenite and amphibole - biotite granite. They are commonly...
- plagioclase-bearing basaltic trachyandesite flows Hog Pen Formation: interbedded debris flows and basalt to basaltic trachyandesite flows These rest on the...