Cave-in

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This article is about a geology phenomenon. For the rock band, see Cave In.

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A cave-in is a collapse of a geologic formation, mine or structure which typically occurs during mining or tunneling. Geologic structures prone to cave-ins include alvar, tsingy and other limestone formations, but can also include lava tubes and a variety of other subsurface rock formations.

[edit] Geological formations

• Alvar structures such as occur on the Stora Alvaret, Oland, Sweden
• Tsingy limestone such as occur in the Madagascar dry deciduous forests

[edit] External links