igneous rock in a canyon

activity alps andes being californias canyon carves cayon cleft cliff cliffs cooling deep drop erosive escarpments examples flats formed geologic gorge gorges hill himalayas igneous lava magma magmatic main may metamorphic mountain mountains mountaintype narrow nevada one opening others peaks provo ranges resulting rift river rock rocky salt scales sediment sedimentary sierra slot smooth solidification splits springs stream sulfur three time two types usually utah valley walls weathering yosemite