Rushmore Cave

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Rushmore Cave
43.874540°N 103.332113°W

The narrow path through the cave is formed by dissolution along fractures in the limestone.

Column in Rushmore Cave
43.874490°N 103.331571°W

The column forms when a stalactite and stalagmite come together.

Flowstone in Rushmore Cave
43.874819°N 103.331995°W

Sheets of water deposit layers of calcium carbonate.

Stalactites in Rushmore Cave
43.874022°N 103.331528°W

Some of the thinner stalactites are called soda straws.

Depositional feature in Rushmore Cave
43.874123°N 103.331791°W

The feature forms like a stalactite but is drawn out because of the wind in the cave of water flows in from a fracture.

Many interesting geological features exist in the cave.

Rushmore Cave

Rushmore Cave is the 9th longest cave in South Dakota. It measures a distance of 3,652.6 feet (1,113.3 m). It is located in the Black Hills National Forest, East of Mount Rushmore.

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