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Why are there are almost no extrusive ultra basic rocks in earths crust?
There are almost no extrusive rocks on the earths surface because they are all under the earths surface. They are mainly lower than the earths surface.
How do intrusiver rocks form?
intrusive rocks are formed within the earths surface from magma. extrusive rocks are formed from lava outside of earths surface
What happens when rocks beneath earth surface undergo stress?
what happens when rocks beneath earths surface under goes trees
How much rocks are on the surface of the earth?
Apart form the Oceans the earths surface is made of rocks.
When the pressure of rocks layers pressing on an aquifer above and below squeezes water up to the earths surface it's called an?
artesian
When the pressure of rocks layers pressing on an aquifer from above and below squeezes water up to the earths surface it's called an?
artesian
How are rocks formed in a volcanic eruption?
They are formed when the erupted magma or lava, cool and sollidifies below or above the earths surface respectively.
How do fossils provide evidence for moving plates?
Their evidence comes from rocks at earths surface.
What igneous rocks form above the earths surface?
Igneous rocks that form above the Earth's surface are called extrusive or volcanic rocks. Examples include basalt, andesite, and rhyolite. These rocks form when magma erupts onto the surface and cools quickly.
Is it true that igneous rocks form only beneath earths surface?
No, igneous rocks can form both beneath and above the Earth's surface. Intrusive igneous rocks form beneath the surface as magma cools and solidifies underground. Extrusive igneous rocks, on the other hand, form on the Earth's surface when lava cools and solidifies quickly.
What are extrusive and intrusive igneous rock?
Extrusive rocks are formed outside of earths surface. Intrusive rocks are formed inside earths surface.
How is sedimenary rocks formed?
Sedimentary rocks are formed from the earths surface when sediments hardens into rocks :]
