the photo above, dave janesko is explaining the great sevier fault to dr. alley and the cause class. on the left, red rocks deposited in a lake extend off to bryce national park. on the right, black lava flows, now cooled and hardened, are visible. the rocks meet at the sevier fault. what happened here? group of answer choices the fault formed during death-valley-type spreading in the west, with the younger, black lava flows dropping along the fault to lie next to the older, red lake sediments. the fault formed when a thin landslide during an earthquake bounced the black rocks across the red ones and then down a cliff to lie next to the red rocks. the fault formed when the recent push-together activity that made death valley also affected utah. the fault formed when a narrow crack in the earth filled with lava that then froze.
