Railway tracks, buckled, during earthquakes, [75].

Rain erosion, [214].

Rainfall, infrequent in deserts, [197].

Raised beaches, [326], [328].

Ramparts, ice, [431-434].

Randspalte, [370].

Rapids, in Rhine gorge, [169].

Rapilli, [122].

Rath, G. vom, cited, [147].

Reaction rims, about minerals, [28].