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- Andesite - Wikipedia
Andesite is an aphanitic (fine-grained) to porphyritic (coarse-grained) igneous rock that is intermediate in its content of silica and low in alkali metals It has less than 20% quartz and 10% feldspathoid by volume, with at least 65% of the feldspar in the rock consisting of plagioclase
- Andesite: Igneous Rock - Pictures, Definition More
What is Andesite? Andesite is the name of a family of fine-grained, extrusive igneous rocks that are usually light to dark gray in color They have a mineral composition that is intermediate between granite and basalt Andesite is a rock typically found in volcanoes above convergent plate boundaries between continental and oceanic plates
- Andesite | Properties, Composition, Formation, Uses
Andesite is volcanic rock named after the Andes Mountains Intermediate in silica content, it is usually gray in color and may be fine-grained or porphyritic Andesite is the volcanic equivalent of diorite
- Everything You Ought to Know about Andesite Rock - Geology Base
Andesite is a durable, hard rock with a Mohs hardness of 6-7 and high compressive strength, making it ideal for various uses Some uses of andesite rocks include building stones, making aggregate, sculptures, and other decorative or ornamental accessories
- Andesite: Formation, Types, Uses, and Care for this Fine . . .
Discover the properties, formation, and uses of andesite, a fine-grained volcanic rock Learn about its types, sourcing locations, and how to care for andesite in this comprehensive guide
- Andesite: Mineral information, data and localities.
It was named by Buch in 1826 from the Andes Mountains, South America A dark-colored, fine-grained, mostly extrusive rock that is approximately the fine-grained equivalent of diorite
- Andesite | Volcanic, Igneous, Magma | Britannica
Andesite, any member of a large family of rocks that occur in most of the world’s volcanic areas Andesites occur mainly as surface deposits and, to a lesser extent, as dikes and small plugs
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