extrusive intrusive basaltic granitic 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,d Rock a- dark colored large grains Rock b- large crystals, high percentage of silica Rock c- fine grained texture, light colored Rock d- from Hawaiian volcano area no visible crystals extrusive intrusive basaltic 1 2 granitic 3 4

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.

extrusive intrusive basaltic 1 D 2 A granitic 3 C 4 B