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The top documents tagged [porphyritic rocks form]
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Rocks S6E5 Students will investigate the scientific view of how Earths surface is formed. b.Investigate the composition of rocks in terms of minerals
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Three Types of Rocks. How are igneous rocks classified? Igneous rocks (ig nee us) are formed from magma or lava. Igneous means fire-formed. Igneous
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K. Dawson Earth Science
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