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, or 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.

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