• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Speleothems - Dogtooth Spar

Dogtooth Spar
Dogtooth Spar
NPS Photo by Jason Walz
 
Spear-shaped crystals of calcite called dogtooth spar frequently line small pockets in the limestone rock. These crystals are a prominent feature of other caves in the Black Hills, most notably, Jewel Cave of Jewel Cave National Monument.
 

More Speleothems:
Boxwork | Calcite Rafts | Cave Popcorn |
Flowstone/Dripstone | Frostwork |
Gypsum Features | Helictite Bushes

Click here to see a program about the formations of Wind Cave

Did You Know?

Star Lily

The Star Lilly (Leucocrinum montanum) has several common names including sand lily, sage lily, mountain lily, wild tuberose, and Star-of-Bethlehem. The word Leucocrinum comes from Greek meaning "white lily." More...