African Geographic Pictures Collection
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| Image number: | 957 |
| Feature : | rock shelter |
| Grouping : | caves |
| Discipline : | geomorphology |
| Year : | 1993 |
| Locality : | Sodmein valley |
| Country : | Egypt |
| Region - tribe : | Red Sea Mountains |
| Physiographic region : | Desert-Red Sea Mountains |
| Notice : | notice Case hardening is crustening of the exterior part of a rock by migration of elements from the core, which becomes 'weak',to the outer part of the rock, whick becomes 'harder'. Here case hardening of the rocks near to the surface and pealing off of the lower rocks gives rise to rock shelter formation |
| Reference : | Moeyersons, Jan, 1993 Image 957. In : Moeyersons, Jan : "African Geographic Pictures", http://www.africamuseum.be/en/research/collections_libraries/earth_sciences/collections/geopic" |