e/Toreva block

Information
has gloss	eng: 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, Arizona. Toreva blocks exhibit a characteristic backward rotation toward the parent cliff.
lexicalization	eng: Toreva Block
instance of	e/Geological processes

Media
media:img	Toreva block bench in White Rock Canyon.jpg