Trachyte - Wikipedia Trachyte is the usual silica-rich end member of the alkaline magma series, in which alkaline basaltic magma experiences fractional crystallization while still underground
Trachyte : Composition, Formation, Classification and Uses Trachyte is a type of volcanic rock that falls within the category of extrusive igneous rocks It is characterized by its unique composition and texture, which make it distinct from other volcanic rocks like basalt, andesite, and rhyolite
Trachyte | Properties, Uses Formation | Britannica Trachyte, light-coloured, very fine-grained extrusive igneous rock that is composed chiefly of alkali feldspar with minor amounts of dark-coloured minerals such as biotite, amphibole, or pyroxene
Trachyte: Mineral information, data and localities. Trachyte grades into latite as the alkali feldspar content decreases, and into rhyolite with an increase in quartz Trachyte appears in field 7 in the QAPF diagram Trachyte is found in field T in the TAS diagram A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium
Trachyte - Igneous Rocks - Sandatlas Trachyte is a fine-grained and generally light-colored volcanic rock that usually has a rough surface to the touch which is the reason it was given that name (trachys is ‘rough’ in the Greek language)
Understanding Trachyte, a Fine-grained Volcanic Rock Trachyte is a fine-grained, light-colored volcanic rock with mostly alkali, some plagioclase, minor biotite, amphibole, pyroxenes, or olivine, with or without quartz
TRACHYTE Trachyte, as a natural stone, is held in high regard as a premier building material because it reflects unique character, stability, and grandeur Variations of colour, pattern, and texture are visually interesting and impossible to replicate
Trachyte - ALEX STREKEISEN Trachyte is a fine-grained and generally light-colored volcanic rock that usually has a rough surface to the touch which is the reason it was given that name (trachys is "rough" in the Greek)
Geology - rocks and minerals - University of Auckland Trachyte is an extrusive rock, belonging to the alkali series of intermediate volcanic rocks The major mineral component of trachyte is alkali feldspar (e g orthoclase), and it generally contains no quartz