Crystal Cave

Crystal Cave is a cave located in Wisconsin’s Pierce County, near the Town of Spring Valley on Highway 29. The cave was discovered in 1881 by local brothers George and William Vanasse. Crystal Cave is a multi-level solutional cave formed in dolomite bedrock in the Prairie du Chien Group. The dolomite was formed 485 million years ago during the Lower Ordovician Period when a warm shallow ocean covered much of Minnesota and Wisconsin. It is Wisconsin's longest known cave.

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Location: 44.8326, -92.252, KML, Cluster Map, Maps,
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  Crystal Cave ⓘ
  Cave in Wisconsin, United States

Frameless

Solution window in dolostone (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 6 (18955862082)

Solution pockets in dolostone (Prairie du Chien Group, Ordovician; upper level of Crystal Cave, near Spring Valley, Wisconsin, USA) (18945456471)

Large cave room in dolostone (Prairie du Chien Group, Ordovician; upper level of Crystal Cave, near Spring Valley, Wisconsin, USA) (18321911043)

Solution pockets in dolostone (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 9 (18338711444)

Travertine dripstone in dolostone network cave (Crystal Cave, near Spring Valley, Wisconsin, USA) 1 (18917284076)

Dolostone cave wall (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 2 (18320757714)

Drusy quartz-lined cavity in dolostone cave wall (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 1 (18964278761)

Travertine soda straw stalactites in dolostone network cave (Crystal Cave, near Spring Valley, Wisconsin, USA) 11 (18773319710)

Joint-controlled passage in dolostone cave (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 5 (18774268949)

Travertine dripstone & flowstone in dolostone network cave (Crystal Cave, near Spring Valley, Wisconsin, USA) 1 (18772682378)

Type	Subtype	Date	Description	Notes	Source
site	cave		Crystal Cave	show cave	Wikidata
commons	image		Solution window in dolostone (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 6 (18955862082)		Commons
commons	image		Solution pockets in dolostone (Prairie du Chien Group, Ordovician; upper level of Crystal Cave, near Spring Valley, Wisconsin, USA) (18945456471)		Commons
commons	image		Large cave room in dolostone (Prairie du Chien Group, Ordovician; upper level of Crystal Cave, near Spring Valley, Wisconsin, USA) (18321911043)		Commons
commons	image		Solution pockets in dolostone (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 9 (18338711444)		Commons
commons	image		Travertine dripstone in dolostone network cave (Crystal Cave, near Spring Valley, Wisconsin, USA) 1 (18917284076)		Commons
commons	image		Dolostone cave wall (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 2 (18320757714)		Commons
commons	image		Drusy quartz-lined cavity in dolostone cave wall (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 1 (18964278761)		Commons
commons	image		Travertine soda straw stalactites in dolostone network cave (Crystal Cave, near Spring Valley, Wisconsin, USA) 11 (18773319710)		Commons
commons	image		Joint-controlled passage in dolostone cave (Prairie du Chien Group, Ordovician; Crystal Cave, near Spring Valley, Wisconsin, USA) 5 (18774268949)		Commons
commons	image		Travertine dripstone & flowstone in dolostone network cave (Crystal Cave, near Spring Valley, Wisconsin, USA) 1 (18772682378)		Commons