Rock is formed from molten lava. is an example of an observation a scientist would make to classify a rock.
What do you mean by classification of rock?
Rock classification is based on two criteria: TEXTURE and COMPOSITION. The texture is related to the size and shape of mineral particles and other components in rock, and how their size and shape relate to each other. These factors are controlled by the rock-forming process. Due to the different processes of magma, deposition, and metamorphism, the resulting texture will also be different. Therefore, there are different magma textures, different sedimentary textures, and different metamorphic textures.
Rocks have three main classes: RUBBLE, SEDIMENTARY, and METAMORPHOUS, and
EXPERIENCING ROCKS are formed by melting or partial material crystallization called magma.
Sedimentary rocks are formed from materials deposited on the surface of the earth.
metamorphic rocks are formed when sedimentary or igneous rocks are exposed to high pressure, high temperature, or both deep on the surface.
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