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Andesite is typically classified as an igneous rock, specifically a volcanic rock, and is not categorized as either foliated or nonfoliated since those terms primarily apply to metamorphic rocks. Foliation refers to the alignment of mineral grains under pressure, which is not relevant to andesite. Instead, andesite has a fine-grained texture and can contain a mix of minerals, but it lacks the layered or banded appearance characteristic of foliated rocks.
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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 plutonic?
No. It is volcanic. The plutonic equivalent of andesite is diorite.
Which metamorphic rock had a nonfoliated texture?
Quartzite
Is andesite a foliated rock?
No. Foliation is a term that applies to metamorphic rocks. Andesite is igneous.
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.
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.
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
Which metamorphic rock had a nonfoliated texture?
Quartzite
What are three examples of nonfoliated metamorphic rock?
Quartzite, Marble, and Soapstone are three examples of nonfoliated rock.
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.
