Onyx Cave (Arizona)
Cave in Arizona / From Wikipedia, the free encyclopedia
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Onyx Cave is a solutional cave system with about 0.5 miles (0.8 km) of passages formed in Permian limestone in the Santa Rita Mountains of Arizona.[1] It is part of the Coronado National Forest.[2] It was designated a National Natural Landmark in 1974.[3]
Quick Facts Location, Coordinates ...
Onyx Cave | |
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Location | Santa Rita Mountains, Santa Cruz County, Arizona |
Coordinates | 31°43′3″N 110°46′9″W |
Length | 0.5 miles (1 km) |
Geology | Permian limestone |
Entrances | 1 |
Access | Gated |
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