what is the major basis of classification of rocks
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In this exercise you will examine some common igneous, sedimentary and metamorphic rocks, and learn to classify them. CLASSIFICATION The classification of rocks is based on two criteria, TEXTURE and COMPOSITION.
plz mark thid as a brain list
plz mark thid as a brain list
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A rock is a naturally occurring aggregate of minerals, and certain non-mineral materials such as fossils and glass. Just as minerals are the building blocks of rocks, rocks in turn are the natural building blocks of the Earth's LITHOSPHERE (crust and mantle down to a depth of about 100 km), ASTHENOSPHERE (although this layer, in the depth range from about 100 to 250 km, is partially molten), MESOSPHERE (mantle in the depth range from about 250 to 2900 km), and even part of the CORE (while the outer core is molten, the inner core is solid).
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