ClipArt ETC
"The two faults of larger throw, by which a single sheet of trap is represented in three ridges, are proved by the threefold repetition of series of beds comprising sandstone, conglomerate, and amygdaloidal trap, shale, and heavy trap." -Walcott, 1901

Strike Fault

"The two faults of larger throw, by which a single sheet of trap is represented in three ridges, are…