rimation

aperture arroyo breach canyon chasm chink cleavage clove crack cranny crevasse crevice fissure fracture gorge gulch opening ravine rent rift rima rime schism slit

clough

closing closure

solid

breach break chink crevice fissure fracture gap hole rift split

cleft cranny crevasse cut discontinuity division interstice rent rima

closing closure

breach chasm crack division fissure gap rift rupture separation

chink cleavage cleft damage rent rip slash slit tear

rima rime

closing closure connection juncture