Bulletin of the National Speleological Society - ISSN 0146-9517
Volume 28 Number 2: 105-107 - April 1966

A publication of the National Speleological Society

Mud Stalagmites in Jewel Cave, South Dakota
Dwight E. Deal

Abstract

Mud stalagmites five to eight millimeters in diameter and 40 to 50 millimeters high occur in Jewel Cave, South Dakota. They are composed of rounded quartz grains in a clay matrix. A semi-liquid flow of mud and sand dripped from calcite crystals overhead to form the stalagmites.

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