Environmental Geology Chapter 4 Flashcards | Quizlet
13) What is the difference between basalt and gabbro? A) Basalt is igneous and gabbro is metamorphic. B) Gabbro is more crystalline than basalt. C) The rocks contain different minerals. D) Basalt is mafic and gabbro is felsic. E) Basalt is characteristic of oceanic crust and gabbro is .