Caliche or gypcrust commonly form near the soil surface in arid and semiarid regions as a result of ascending subsurface water. Harder than the surrounding sands of this fossil dune, they are less susceptible to erosion.

Keywords

aeolian processes, aeolian rocks, dunescape, sedimentary rocks

Created

Wednesday 16 July 2014 by Martin Mergili in Asia / Mongolia (2612 visits)