Aerial view of Balls Pyramid. Photo courtesy of Julian Bielewicz.
Close-up of the basaltic lavas of Balls Pyramid. Photo courtesy of Julian
Sources of Information:
Thompson, D., Bliss, P., and Priest, J., 1987, The geology of Lord Howe Island: New South Wales Department of Mineral resources brochure, Lord Howe Island Board.
McDougall, I., Embelton, B.J., and Stone, D.B., 1981, Origin and evolution of Lord Howe Island, southwest Pacidic Ocean: Journal of Geological Society of Australia, v. 28, p. 155-176.
Sutherland, L., 1995, The Volcanic Earth: Sydney, University of New South Wales Press, 248 p.
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