Toreva block
A Toreva block landslide is a distinctive landslide type which may occur when a stronger material such as sandstone or limestone overlies a weaker material such as shale and an eroding agent undercuts the weaker lower layer. The type was first recognized by Parry Reiche in 1937, and takes its name from . Toreva blocks exhibit a characteristic backward rotation toward the parent cliff.
The existence of Toreva blocks may be used to infer a warmer or wetter earlier climate, e.g. toreva blocks in the Transantarctic Mountains.
References[]
Reiche, Parry (1937). "The Toreva block, a distinctive landslide type". Journal of Geology. 45 (5): 538–548. Bibcode:1937JG.....45..538R. doi:10.1086/624563. S2CID 129636217.
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Categories:
- Geomorphology
- Geological processes
- Landslides