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When molten rocks cools what rocks form?
igneous rocks
What percentage of igneous makes up Earth's crust?
Igneous rocks make up about 95% of the Earth's crust.
What are light colored often intrusive igneous rocks containing a high percentage of silica called?
Light colored often intrusive igneous rocks containing a high percentage of silica are typically called granitic rocks. They are commonly found in continental crust and have a composition similar to granite, containing minerals like quartz, feldspar, and mica.
What are igneous rocks that form over the surface?
Rhyolititcen rocks.
What do you call rocks that have been formed from the hot molten material within the earth's crust that has cooled and hardened?
Igneous rocks are formed by the solidification of molten materials.
Are igneous rocks made up of igneous rocks?
Sedimentary rock can be made up partially of igneous clasts, but igneous rock is igneous rock.
Why are igneous are called primary rocks?
Igneous rocks
Are volcanic rocks igneous rocks?
Yes. Volcanic rocks are extrusive igneous rocks.
Are sedimentary rocks are harder than igneous rocks?
No, igneous rocks are harder than sedimentary rocks on average.
How do fine- grained igneous rocks from?
extrusive igneous rocks =/
What kind of igneous rocks for on earths surface?
Some do. These are called extrusive igneous rocks. However a large portion of igneous rocks form beneath the surface. These are intrusive igneous rocks.
Are granite rocks igneous rocks?
Yes. More exactly, intrusive igneous rocks.
