The NSS Bulletin - ISSN 1090-6924
Volume 39 Number 1: 16-17 - January 1977
A publication of the National Speleological Society

Naturally Formed Mudballs in an Iowa Cave
Stewart B. Peck

Abstract

Naturally formed mudballs, composed of clay, silt, and sand, with a concentric internal structure, occur in one room of Hunters Cave, Iowa. They probably formed with the aid of a flowing silt-laden stream, as did the skullites of a New York cave, but streams are not now present in Hunters Cave.

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