basalt is generally an extrusive formed rock with very little quartz and a lot more iron. It’s what our oceanic crust is made out of, and many lava flows like the one seen up right.
Many basalt rocks form sills underground cross cutting rock formations
Answers ( )
basalt is generally an extrusive formed rock with very little quartz and a lot more iron.
It’s what our oceanic crust is made out of, and many lava flows like the one seen up right.
Many basalt rocks form sills underground cross cutting rock formations