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Rocks are classified based on their origin and formation process. Igneous rocks form from the solidification of molten magma or lava, sedimentary rocks develop from the accumulation and compaction of mineral and organic particles, and metamorphic rocks arise from the alteration of existing rocks due to heat, pressure, or chemically active fluids. This classification helps geologists understand the Earth's processes and the history of rock formation.

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Rocks are classified as igneous sedimentary or metamorphic based primarily on their?

Rocks are classified as igneous, sedimentary, or metamorphic based primarily on their origin and how they were formed. Igneous rocks are formed from cooled magma or lava, sedimentary rocks are formed from the accumulation of sediments, and metamorphic rocks are formed from the alteration of existing rocks due to heat and pressure.


Are rocks classified by were they are found?

Rocks are labeled by 3 groups. Igneous, Metamorphic, and Sedimentary.


How are rocks physically classified?

they are classified into 3 major kinds of rocksthey are the ;IGNEOUS ROCKS,SEDIMENTARY ROCKS,AND METAMORPHIC ROCKS


What are three types of rocks?

igneous, sedimentary, metamorphic


A marble is a sedimentary metamorphic or igneous?

Marble, the rock, is metamorphic. From limestone.


Can Metamorphic rocks can form from igneous but not from sedimentary rocks.?

Metamorphic rocks can form from both igneous and sedimentary rocks


Can metamorphic rocks can form from igneous but not from sedimentary rocks?

Metamorphic rocks can form from both igneous and sedimentary rocks


Is graphite igneous sedimentary or metamorphic?

Graphite is a metamorphic rock. It is formed from the metamorphism of organic sedimentary rocks, such as coal, under high temperature and pressure.


Can a rock be classified as sedimentary igneous or metamorphic by its method of formation?

Yes, a rock can be classified as sedimentary, igneous, or metamorphic based on its method of formation. Sedimentary rocks form from the accumulation and cementation of sediments, igneous rocks form from the solidification of magma or lava, and metamorphic rocks form from the alteration of existing rocks due to heat and pressure.


What are 3 major rock types?

Igneous Rocks,Sedimentary Rocks,Metamorphic Rocks.


What are the three categories that rocks are classified in?

Igneous, metamorphic and sedimentary are the three rock types.


Is calcite metamorphic sedimentary or igneous?

Calcite is a mineral commonly found in sedimentary rocks. It can also be found in some metamorphic rocks, as it can recrystallize under heat and pressure. It is unlikely to be found in igneous rocks except in trace amounts.