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Igneous rock is the rock that forms from molten magma or lava.

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extrusive igneous rock VS intrusive igneous rock

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extrusive igneous rock VS intrusive igneous rock

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Sedimentary rocks form from the broken pieces of other rocks or from the accumulation of the hard body parts of marine organisms.

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the differences between clastic, organic, and chemical sedimentary rocks

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the differences between clastic, organic, and chemical sedimentary rocks

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clastic sedimentary rocks are small rock fragments that were transported and deposited by fluids.

organic sedimentary rocks come from the skeletons of organisms such as corals, mollusks, and foraminifera

chemical sedimentary rocks are formed mostly through water evaporation

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Metamorphic rocks form when tremendous heat and/or pressure is added to a rock. This heat and pressure change the outward appearance of the rock and the physical nature of the rock.

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foliated VS non-foliated metamorphic rocks

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foliated VS non-foliated metamorphic rocks

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Foliated metamorphic rocks form when pressure squeezes or elongates the crystals, resulting in a clear preferential alignment.

Non-foliated metamorphic rocks form the same as Foliated metamorphic rocks but the crystals have no preferential alignment and may not elongate.

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Untamed Science

ZME Science Types of Rock

Interactive Rock Cycle Links to an external site.