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Figure 2-15. These landforms in Monument Valley, Arizona, are made of sandstone. What class of rock
does sandstone belong to?


Figure 2-16, These layersof schist were photographed at King's Canyon National Park.
What could have caused the bending and folding ot the rock laysrs?

Figure 2-19. Specimens of eight rocks: Considered as four pairs, each rock on the right is a
metamorphic form of the rock on its left.

A – granite

             B – gneiss

C – sandstone

             D – quartzite

E – limestone

             F – marble

G – shale

             H – schist