A flowstone formation in Chimney Dome at Illinois Caverns in Monroe County, Illinois. The cave is formed in limestone and dolomite by water dissolution and features stalactites, stalagmites, rimstone dams, flowstone, and soda straws.
A flowstone formation in Chimney Dome at Illinois Caverns in Monroe County, Illinois. The cave is formed in limestone and dolomite by water dissolution and features stalactites, stalagmites, rimstone dams, flowstone, and soda straws.