University of Bristol, Department of Earth Sciences Wills Memorial Building Queen's Road, Bristol, BS8 1RJ, United Kingdom
Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931-1295, United States ; University of Bristol, Department of Earth Sciences Wills Memorial Building Queen's Road, Bristol, BS8 1RJ, United Kingdom
Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931-1295, United States ; University of Bristol, Department of Earth Sciences Wills Memorial Building Queen's Road, Bristol, BS8 1RJ, United Kingdom