Crevasse stratigraphy makes use of annual layers revealed on the wall of a crevasse. The climb requires experience with glacier travel and crevasse rescue skills. This avalanche buried ten climbers in a crevasse at . Anyone planning to travel on a glacier should be trained in crevasse rescue. The rock itself is a glacial deposit wedged in the mountain's crevasse. Simpson plummeted down the cliff and into a deep crevasse. Josh and Frank, however, find another way out through a crevasse in the cavern. The Rock City Trail leads through rock city, a long crevasse between towering outcrops. Lachenal fell through some snow covering a crevasse. They struggle in a cave, and Mannfeldt falls to his death in a crevasse. This event generated a liquefacted crevasse splay deposit which entombed the two dinosaurs. He narrowly avoided capture while enemy troops jumped across the crevasse, mere feet above. Simpson thus fell approximately 50 feet into the crevasse. He was rescued from the crevasse, but died shortly thereafter. They settle around a generator located in an ice crevasse.