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It is neither. Intrusive and extrusive are terms used to describe igneous rock.
Norberto Hirthe
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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 glassy igneous rocks intrusive or extrusive?
Granite gneiss is a metamorphic rock and would not be considered extrusive (rock formed from molten material at or near the surface).
Is marble an extrusive or an intrusive rock?
Neither. The terms intrusive and extrusive apply to igneous rocks; marble is metamorphic.
Is Diorite intrusive?
yes!
When molten rock undergoes crystallization above ground what type of rock results?
Extrusive igneous rock is the result of above ground crystallization.
Is dacite intrusive or extrusive?
Dacite is extrusive. Its intrusive equivalent is granodiorite.
Is obsidian intrusive or extrusive?
quartz itself, but you will find fragments of quartz of all sizes in both sedimentary and metamorphic rocks.
Is basalt an intrusive rock or extrusive rock?
Extrusive. Solidifies above ground level.
What rock group does gneiss belong?
Granite is an intrusive igneous rock, meaning it has solidified underground as opposed to solidification on the surface.
Is diorite intrusive or extrusive?
Diorite is an intrusive igneous rock. Its extrusive equivalent is andesite.
Is silica intrusive or extrusive?
The terms intrusive and extrusive apply to the formation of igneous rocks. Silica is a chemical component of a wide variety of minerals found in many types of igneous, metamorphic, and sedimentary rock. All igneous rocks, both intrusive and extrusive, contain silica.
Is marble originally sedimentary or igneous rock?
Igneous rock is classified as extrusive or intrusive.
