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They are rocks formed from magma that cools and crystallizes on the earth surface.
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∙ 10y ago
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How are igneous rocks classified acording to their..?
Igneous rocks are classified by either being intrusive or extrusive, then mafic or felsic then they are classified by either fine grain or course grained textures.
Igneous rocks that result when lava solidifies are classified as what?
Extrusive igneous rocks.
How are rocks physically classified?
they are classified into 3 major kinds of rocksthey are the ;IGNEOUS ROCKS,SEDIMENTARY ROCKS,AND METAMORPHIC ROCKS
what are igneous rock classified based upon?
Igneous rocks can be classified by their method of formation and by their mineralogy.
What rocks are classified as?
Mantle rock is classified as ultramafic igneous rock.
Rocks that originated from the liquid phase are classified as?
Igneous
WHAT ARE Mantle rocks classified as?
Mantle rock is classified as ultramafic igneous rock.
What are dark colored rocks called?
If you are referring to igneous rocks, they are classified as mafic.
What are volcanic rocks?
Volcanic rocks are classified as extrusive igneous rocks, forming from the solidification of lava.
Igneous rocks are classified based upon their what?
Igneous rocks can be classified by their method of formation and by their mineralogy.
Are igneous rocks classified by there origen texture and shape?
yes
Igneous rocks can be classified into which 2 groups?
Intrusive and Extrusive.
