Figure 16.15The stability of a rock slope depends on the weathering and fragmentation pattern of the rock that forms it. (a) This small outcrop is being weathered to form broken blocks of rock known as rubble. [John Grotzinger.]
(b) Talus accumulates on slopes where large blocks of rock fall or roll downhill to form a cone-shaped pile.
(b) Talus accumulates on slopes where large blocks of rock fall or roll downhill to form a cone-shaped pile.