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Geologists classify rocks by where they are formed; above ground or under ground
Geologists classify metamorphic rocks by the arrangements of the grains that make up the rocks.
Igneous rocks.Sedimentary rocks.Metamorphic rocks.
sedimentary,metormorphic , igneous .........
Sedimentary, metamorphic and igneous.
texture,size,show,and colour
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Geologists use the geologic column to classify layers of rocks and fossils that make up the Earth's crust.
Geologists use the geologic column to classify layers of rocks and fossils that make up the Earth's crust.
Geologists classify rocks by looking at their chemical and mineralogical composition then at the the size and shape of their component minerals then at any texture, pattern or grain that the rocks may display. They also classify them in relation to how they were formed.
Geologists classify rocks into three groups. The first group are igneous rocks, the second are metamorphic rocks and the third are sedimentary rocks.