| Answer | Crossword Clue |
|---|---|
| picrites | A dark basaltic rock rich in olivine |
| tholeiite | a basaltic rock rich in aluminum |
| tholeiites | THOLEIITE, a basaltic rock rich in aluminum |
| tholeiitic | of or like tholeiite, a basaltic rock rich in aluminum |
| pyroxenite | A dark, greenish, granular intrusive igneous rock consisting chiefly of pyroxenes and olivine |
| basanite | basaltic rock composed chiefly of plagioclase, olivine, and augite |
