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What features did you use to classify igneous rocks as extrusive or intrusive?
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Is obsidian a intrusive or extrusive igneous rock?
Andesite is considered an extrusive igneous rock.
Is dunite an intrusive or extrusive igneous rock?
intrusive
What characteristics are used to classify igneous rocks?
Intrusive and extrusive factors of an igneous rock classify them. The other factors are if they are vesicular, coarse, fine grained, glassy, or very coarse
Is marble an extrusive or an intrusive rock?
Neither. The terms intrusive and extrusive apply to igneous rocks; marble is metamorphic.
Is Mt Rushmore intrusive or extrusive igneous rock?
Intrusive Igneous rock because it is made of granite and granite is intrusive igneous rock
Is diorite intrusive or extrusive?
Diorite is an intrusive igneous rock. Its extrusive equivalent is andesite.
What refers to the size of the crystals evident in the rock and is the property you use to classify igneous rocks is?
intrusive and extrusive
Is conglomerate intrusive or extrusive?
Neither. Conglomerate is a sedimentary rock. Intrusive and extrusive are descriptive terms used to classify igneous rocks.
Is obsidian a intrusive or extrusive igneous rock?
Andesite is considered an extrusive igneous rock.
What igneous rocks are both intrusive and extrusive?
Porphyritic igneous rocks can display both intrusive and extrusive characteristics.
What is the difference between an intrusive and an extrusive igneous rocks?
"intrusive" means forced into something, "extrusive" means forced out onto the surface. The igneous magma reaching the surface is therefore extrusive , producing extrusive igneous rocks, and all the rest of the magma is intrusive, producing intrusive igneous rocks.
Is schist an intrusive or extrusive rock?
Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A igneous rock.
Is dunite an intrusive or extrusive igneous rock?
intrusive
What characteristics are used to classify igneous rocks?
Intrusive and extrusive factors of an igneous rock classify them. The other factors are if they are vesicular, coarse, fine grained, glassy, or very coarse
Are large crystals intrusive or extrusive igneous rock?
Intrusive
Is feldspar extrusive or intrusive?
It is actually a mineral that appears in both extrusive and intrusive igneous rocks.
What are the main two types of igneous rocks?
Igneous rocks are classified as either extrusive or intrusive. Extrusive rocks form from lava at or above the ground, and intrusive rocks form from magma below the ground. Granite is intrusive, pumice is extrusive.
