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Question # 1b. Igneous rocks are classified by Origin, Mineral Composition, and _______. Hardness Texture Luster. Question #1. Igneous rocks are classified in what three ways?. Question #2. Igneous rock that forms IN the earth is ________. Igneous rock that forms when molten
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Question #1b Igneous rocks are classified by Origin, Mineral Composition, and _______. Hardness Texture Luster
Question #1 Igneous rocks are classified in what three ways?
Question #2 Igneous rock that forms INthe earth is ________. Igneous rock that forms when molten rock EXITSthe earth and then cools is ________.
Question #3 A rock that has both large and small grains is called ________ . Porous Coarse-grained Porphyritic
Question #4 The oceanic crust is made mainly from Basalt, which is cooled lava. Is Basalt intrusive or extrusive?
Question #5 Which rock likely has the LEAST silica?
Question #4b The continental crust is made mainly From Granite, which is cooled magma. Is Granite intrusive or extrusive?
Answer Key • Question 1: Origin, Texture, Mineral Composition • Question 1b: Texture • Question 2: Intrusive, Extrusive • Question 3: Porphyritic • Question 4: Extrusive • Question 4b: Intrusive • Question 5: B