Scarp retreat
Videos
Scarp retreat is a geological process through which the location of an escarpment changes over time. Typically the cliff is undermined, rocks fall and form a talus slope, the talus is chemically or me
Bandiagara Escarpment in Mali.
Aerial view of retreating scarp in Namibia.
Illawarra escarpment in Australia
Weathering
Videos
Weathering is the deterioration of rocks, soils and minerals through contact with water, atmospheric gases, sunlight, and biological organisms. It occurs in situ, and so is distinct from erosion, whic
A natural arch produced by erosion of differentially weathered rock in Jebel Kharaz (Jordan)
A rock in Abisko, Sweden, fractured along existing joints possibly by frost weathering or thermal stress
Exfoliated granite sheets in Texas, possibly caused by pressure release
Tafoni at Salt Point State Park, Sonoma County, California