Talus, Colorado

Talus

mechanical weathering, fracture, alpine

Soil profile in grassland

Chemical Weathering

chemical weathering, pedogenesis

Hogback Ridge

Hogback Ridge

erosion, differential erosion, dip slope

Spheroidal weathering of Granite

Weathering of Granite

chemical, mechanical, hydrolysis, granitic

Nonconformity, Colorado

Nonconformity, Front Range, CO.

unconformity

Granite intruding Gneiss

Granite and gneiss in Rocky Mountain National Park.

1.4 billion year old granite intruding 1.7 billion year old gneiss. (Image ID# ig-23)