Geology of Jewel Cave
http://www.nature.nps.gov/geology/parks/jeca/index.cfm

National Park Services (NPS)


This National Park Service site provides an introduction to the Black Hill's Jewel Cave. The site describes the unique geologic history of the Black Hills, the formation of speleothems as well as unusual crystal growth in the cave. Photographs illustrate the descriptions.

This resource is referenced here:
Subject: Geoscience:Geology, Geology:Mineralogy
Resource Type: Scientific Resources:Overview/Reference Work
Topics: Earth surface