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Basaltic (buh SAWL tihk) igneous rocks are dense, dark-colored rocks.

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Basaltic (buh SAWL tihk) igneous rocks are dense, dark-colored rocks.

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  1. 44. Use the information about igneous rocks a-d to classify each one as intrusive or extrusive and basaltic or granitic. Fill in the chart with a,b,c,dRock a- dark colored large grainsRock b- large crystals, high percentage of silicaRock c- fine grained texture, light coloredRock d- from Hawaiian volcano area no visible crystals

  2. Basaltic(buh SAWL tihk) igneous rocks are dense, dark-colored rocks. • Basaltic lava is fluid and flows freely from volcanoes in Hawaii, such as Kilauea. • Granitic igneous rocks are light-colored rocks of lower density than basaltic rocks. • Granitic magma is thick and stiff and contains lots of silica but lesser amounts of iron and magnesium.

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