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Igneous: These rocks are volcanic in nature. They are split into two categories in where they cool/crystallize: intrusive (internal) and extrusive (external). Intrusive volcanic rocks cool slowly, so they contain (usually) large crystals, like granites. Extrusive rocks are quite the opposite, in which they cool very quickly. This is where you get your obsidian glass and basalts. Sedimentary: These rocks are depositional and categorized by the kind of sediment it is made up of. Metamorphic: This can be the offspring rock of either a morphosed igneous or sedimentary rock. This metamorphism is accomplished by heat and/or pressure, and during a great length of time.
Wiki User
â 9y ago
Wiki User
â 7y agoi think is chemical composition
its not chemical composition, it's how they were formed
Anonymous
Wiki User
â 14y agosedimentary, igneous, metamorphic
Wiki User
â 11y agosedimentary, metamorphic, and igneous
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How are rocks classified into one of these three groups?
Rocks are classified into three groups based on how they are formed. Igneous rock is formed when magma cools and crystallizes. Sedimentary rock is formed when the products of weathering and erosion are compacted and cemented to form new rock. Metamorphic rock is formed when existing rock is changed by heat, pressure or chemical change into a new kind of rock.
What are rock groups that are classified as clastic sedimentary rocks?
They are mechanically formed sedimentary rocks, such as Sandstone and Conglomerate.
Who proposed the idea that cells can be classified in one of three major groups?
Carl Woese
What are the three groups into which geologist classify rock?
Metamorphic, igneous and sedimentary
What three major rock groups change into by natural forces?
sediment
What are the three groups of rock classified by?
the three types of rocks are classifed based on theire mode of formation or occurence where, they are formed but not of the todays occurence.
How are rocks classified into one of these three groups?
Rocks are classified into three groups based on how they are formed. Igneous rock is formed when magma cools and crystallizes. Sedimentary rock is formed when the products of weathering and erosion are compacted and cemented to form new rock. Metamorphic rock is formed when existing rock is changed by heat, pressure or chemical change into a new kind of rock.
How are plants are classified?
plants are classified by people putting plants in three different groups
Three groups classified in restaurant?
the three courses in a restaurant are appetizer,entree',dessert
How are the Earth's resources classified?
Resources are classified into three groups. They are -natural resourcesman - made resources andhuman resources
What are the three categories that rocks are classified in?
Igneous, metamorphic and sedimentary are the three rock types.
What are three big groups of rocks?
Igneous rock, metamorphic rock, and sedimentary rock.
What a rock cycle?
The dynamic changes between the three main rock groups
What are the two types metamorphic rock?
The two groups of metamorphic rock are foliated and nonfoliated. Metamorphic rocks can also be classified as contact and regional.
What are rock groups that are classified as clastic sedimentary rocks?
They are mechanically formed sedimentary rocks, such as Sandstone and Conglomerate.
What are three groups Charles Darwin classified living organisms into?
animals, microorganisms and plants.
What are levers classified into three groups is located?
something that i don't care about bye hahaha
