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because of the rocks structure and weight. this makes it.

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12y ago

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What rocks are impermable?

Some common impermeable rocks include granite, basalt, and shale. Impermeable rocks have low porosity and do not allow fluids to pass through them easily, making them useful for constructing barriers in engineering applications such as dams or landfills.


When molten rocks cools what rocks form?

igneous rocks


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.


What are the economic benefits of igneous rocks?

economic benefits of using igneous rocks are...... igneous rock produces rocks like granite which is impermeable and is strong so good for resovoirs and kitchen work tops which would benefit the area of the place were they mine the granite. there are other rocks but that is proberly the main rock which helps the economic benefits.


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 =/


Is the Grand Canyon rocks permeable or impermeable?

no


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.