Quote:
Originally Posted by High_Plains_Retired
Isn't most of the Carlsbad area underlain with limestone caverns that could lend to sinkhole geomorphology?
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There are two distinct features that make the area susceptible to surface collapse:
1: Salt "domes" that have long been mined for potash and other minerals as well as providing brine for oil/gas well exploration. These lie generally to the east/SE of the town of Carlsbad.
2: Naturally formed "caverns" in the ancient
limestone reef that is the predominant feature to the west/NW of Carlsbad, including Carlsbad and Lechiguilla Caverns. Known natural openings giving access to the caverns are relatively small and quite old.
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