Figure 4.16: Rhyolite is an example of an extrusive felsic rock. Notice its light color and
small crystals. ( 23 )
Figure 4.17: This is a close-up photograph of peridotite, an extrusive ultramafic igneous
rock. The green mineral is olivine. ( 10 )
marvins-underground-k-12
(Marvins-Underground-K-12)
#1