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Andesite is a volcanic rock that is made up of mainly the minerals augite, plagioclase, and small amounts of hornblende. Its uses include as building material in construction and stone monuments. Its name is derived from where it was first found, the Andes Mountain in South America.
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How can you use andesite?
Andesite is an igneous rock that can be used in the construction field. Andesite is used mainly for making tiles, bricks, or stones that are suitable for water or landscape gardens. They use andesite to make tiles because they are naturally slip resistant.
What is andesite?
Andesite is a type of igneous rock that is typically light to dark gray in color. It forms when magma from the Earth's mantle solidifies and cools relatively quickly. Andesite is commonly found in volcanic regions such as the Andes Mountains in South America.
Is andesite foliated or nonfoliated?
Andesite is a nonfoliated rock, meaning it does not have a layered or banded appearance like foliated rocks such as slate or schist. Andesite forms from volcanic activity and solidifies without undergoing the intense pressure and heat required for foliation to occur.
What is the color of a Andesite rock?
The dominant color of the andesite is black with some spots of red and gray. from: http://192.211.16.13/curricular/MN/tieton_andesite.htm
What is the difference in composition between a dacite and an andesite?
The main difference between dacite and andesite lies in their silica content. Dacite has a higher silica content than andesite, making it more viscous. Dacite also typically contains more quartz and less mafic minerals than andesite.
Is andesite sandstone?
No. Andesite is a volcanic rock.
How old is andesite?
Andesite is not any age in particular. Some deposites of andesite may be hundreds of millions of years old. However, since andesite is volcanic, some andesite rocks may only be minutes old.
Is andesite a mineral?
No. Andesite is an extrusive igneous rock.
Is andesite plutonic?
No. It is volcanic. The plutonic equivalent of andesite is diorite.
Is Andesite an igneous?
Yes. Andesite is an extrusive igneous rock.
Is andesite an extrusive rock?
Yes. Andesite is the extrusive equivalent of diorite
Is andesite a foliated rock?
No. Foliation is a term that applies to metamorphic rocks. Andesite is igneous.
What are andesite rocks?
Andesite rocks are Igneous rocks. They are jagged and rough, and come from cooled magma.
How do you determine whether a rock is a rhyolite or an andesite?
The composition of the rock will determine whether it is a rhyolite or an andesite.
Is andesite intusive?
Andesite is a type of igneous rock that can form both intrusively (inside the Earth's crust) and extrusively (on the Earth's surface). When andesite forms intrusively, it typically cools slowly and can create large crystals.
Where does andesite form?
Andesite is an extrusive igneous rock found on or near volcanoes that contain intermediate magmas.
What is the texture of the rock andesite?
The texture of Andesite rock is fine-grained and it Extrusive plus it is an igneous rock .
