African Geographic Pictures Collection

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Image number: 634
Feature : granite dome
Grouping : weathering
Discipline : geomorphology
Year : 1975
Locality : Muhungwe escarpment
Country : Rwanda
Region - tribe : Virunga
Physiographic region : Rift-Albertine
Notice : Striations on the rock related to water flow. Dome forms are often attributed to exfoliation, resulting from pressure release when the rock is liberated from its overburden by erosion. Possibly, the dome form reflects the morphologie of the granitic batholith roof.
Reference : Moeyersons, Jan,   1975    Image 634.   In : Moeyersons, Jan : "African Geographic Pictures", http://www.africamuseum.be/en/research/collections_libraries/earth_sciences/collections/geopic"