Use the information about igneous rocks A-D to classify each one as intrusive or extrusive and basaltic or granític. 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.
4.
Granitic
3.