Balls Pyramid, Lord Howe Island, Australia

Location: 31.5S, 159E

The Lord Howe Island Group is located 440 miles (700 km) northeast of Sydney. The islands, like Balls Pyramid, are the erosional remnants of a shield volcano and caldera that formed about seven million years ago. Balls Pyramid is 10 miles (16 km) south of Lord Howe Island.

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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