Trachyandesite is an extrusive igneous rock. 0
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite 0
Durable Rock, Medium Hardness Rock 0
Fine Grained Rock, Opaque Rock 0
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular 0
Black, Brown, Light to Dark Grey 0
Countertops, Decorative Aggregates, Homes, Interior Decoration 0
As Building Stone, As Facing Stone, Garden Decoration 0
Building houses or walls, Cobblestones, for Road Aggregate, Rail Track Ballast, Roadstone 0
Creating Artwork, Pottery 0
Basaltic Trachyandesite 0
Has High structural resistance against erosion and climate, Very fine grained rock 0
Archaeological Significance
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Trachyandesite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks. 0
Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase 0
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide 0
Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism 0
Biological Weathering, Chemical Weathering, Mechanical Weathering 0
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion 0
Heat Resistant, Pressure Resistant, Wear Resistant 0
Deposits in Eastern Continents
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Deposits in Western Continents
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Deposits in Oceania Continent
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Information about Trachyandesite
Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Trachyandesite Uses. We have provided you with all information about Trachyandesite rock here. Trachyandesite is an extrusive igneous rock.. Trachyandesite is available in black, brown, light to dark grey colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Trachyandesite is light to dark brown. Get to know more about Trachyandesite rock and characteristics of Trachyandesite rock in the next sections.