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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
Are extrusive igneous rocks made of hardened magma found below the earths surface?
yes it is true!
What are the most common type of rock found at the earths surface and in the earths crust?
The most common type of rock found at the Earth's surface and in the Earth's crust are sedimentary rocks. These rocks are formed from the accumulation and lithification of sediments such as sand, mud, and organic debris. Sedimentary rocks cover about 75% of the Earth's surface.
How much rocks are on the surface of the earth?
Apart form the Oceans the earths surface is made of rocks.
How do fossils provide evidence for moving plates?
Their evidence comes from rocks at earths surface.
Where would you find igneous rocks with larger crystal at the surface or below the surface?
Igneous rocks with larger crystals are typically found below the surface where there is slower cooling, allowing time for crystals to grow. These rocks are known as intrusive igneous rocks and are usually found in the Earth's crust, in regions of volcanic activity or in mountain ranges.
Where on earth are minerals found?
Minerals make up the rocks of earth, so minerals are found wherever there are rocks at the surface. Water too is a mineral so this includes the oceans.
How is sedimenary rocks formed?
Sedimentary rocks are formed from the earths surface when sediments hardens into rocks :]
What are the ladder if rocks under the earth surface called?
There is no ladder if (of?) rocks under the earths surface, your question is meaningless.
Molten rocks that cool at the earths surface are known as?
Lava.
What is in the formation of igneous rocks but not in formation of metamorphic rocks?
igneous rocks form within earths surface
