1. Department of Earth SciencesIndiana University–Purdue University IndianapolisIndianapolis IN USA
2. Department of Geology and PaleontologyNational Museum of Nature and ScienceTsukuba Japan
3. CODES ARC Centre of Excellence in Ore DepositsUniversity of TasmaniaHobart TAS Australia
4. Retired from U.S. Geological SurveyMenlo Park CA USA
5. Department of Geological SciencesStanford UniversityStanford CA USA
6. Research School of Earth SciencesAustralian National UniversityActon, Canberra ACT Australia
7. Geological Survey of Japan/AISTTsukuba Japan