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Depends on how you categorize them. There are numerous types of rocks, and the number you come up with is just a representation of how specifically you classify them.

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Q: How many types of igneous rocks are known?
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Related questions

How many types of rocks?

There are lots of different types of rocks in the world.


What rocks are in Mexico?

Many types of igneous, metamorphic, and sedimentary rocks.


How many differant types rocks are there?

there are 3 types of rocks- Igneous Rocks, Sedimentary Rocks, and Metamorphic RocksThere are three main type of rocks in the world. The names are Igneous, Sedimentary, and Metamorphic.The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary.


What types of rocks can become igneous rocks?

All rocks can become igneous rocks. With weathering and erosion, an igneous rock can become a sediment. Then with compaction and cementation, it can become a sedimentary rock. With heat and pressure, it will turn into a metamorphic rock. Or it can melt and turn into an igneous rock. There are many more ways rocks can change types... that is the rock cycle.


How many different types of rock are there?

there are 3 types of rocks- Igneous Rocks, Sedimentary Rocks, and Metamorphic RocksThere are three main type of rocks in the world. The names are Igneous, Sedimentary, and Metamorphic.The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary.


How many kinds of rock are there?

There are three types of Rocks, Igneous, Metamorphic, and Sedimentary.


How many rocks are on the earth?

the three major rocks are igneous, sedimentary, and metamorphic rock. igneous- volcanic rocks sedimentary- rocks with layers on top metamorphic- rocks that formed to another rock


How many types of rock there?

There are three basic types of rocks igneous, sedimentary and metamorphic. There are hundreds of subdivisions based on the types and amounts of minerals the rock has.


What types of minerals do you get from volcanoes?

there are many types of rock that come out but there are mostly igneous rocks. Bauxite, gold, nickel, lead, zinc, copper.


What rocks are clear with no color?

There are many, but the most well known would be:Diamond (of course!)Cubic ZirconiumGypsumQuartzSiliconGlass(of course)Depending on how fast is cooled, certain types of igneous rock, which really is semi-clear, usually with a smoky tint to itthere are many more types, but those are the more well known.


What Igneous rocks can form?

granite and many other rocks


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.