World And USA Sinkhole Map

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World And USA Sinkhole Map

Detailed Description

Map shows karst areas of the continental United States having sinkholes in soluble rocks (carbonates and evaporites), as well as insoluble volcanic rocks that contain sinkholes. The volcanic bedrock areas contain lava tubes that are voids left behind by the subsurface flow of lava, rather than from the dissolution of the bedrock.  Hot spots of sinkhole activity are also shown in areas of greater susceptibility. Source: Progress toward a preliminary karst depression density map for the conterminous United States https://doi.org/10.5038/9781733375313.1003 

Source: https://www.usgs.gov/media/images/karst-map-conterminous-united-states-2020

USA Sinkhole Map

USA Sinkhole Map

USA Sinkhole Map

World Sinkhole Map

World Carbonate-world sinkhole map

Source:

https://en.wikipedia.org/wiki/Karst

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