This Bituminous Shale are approximately 3/8"-1 1/2" in length and approximately 1/2"-2" in height. Bituminous shales are rocks containing organic substances called kerogens. These stones are from Davies Co., Indiana.
This Bituminous Shale are approximately 3/8"-1 1/2" in length and approximately 1/2"-2" in height. Bituminous shales are rocks containing organic substances called kerogens. These stones are from Davies Co., Indiana.