Powered by Piwigo
Logo
44/84
Bayanzag | Fossil dune with old crusts
WI_mo116.jpg Bayanzag  |  Fossil dune with saxaulThumbnailsKhongoryn Els  |  Dune field

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.

Created
Wednesday 16 July 2014 by Martin Mergili in Asia / Mongolia (1507 visits)