SIMPSON, Edward L., Department of Physical Sciences, Kutztown University, 424 Boehm Hall, Kutztown, PA 19530, simpson@kutztown.edu and SIMPSON, Wendy S., Parkland High School, 2700 North Cedar Crest Blvd, Allentown, PA 18104

MARCONATO, Andre, Institute of Geosciences, University of Sao Paulo, Rua do Lago 562, Cidade Universitária, São Paulo, 05508-080, Brazil, andre.marconato@usp.br, ALMEIDA, Renato, Institute of Energy and Environment, University of São Paulo, Av. Professor Luciano Gualberto, 1289, edifício materiais, Cidade Universitária, São Paulo, 05508-010, Brazil, TURRA, Bruno B., Intitute of Geosciences, University of São Paulo, Rua do Lago 562, Cidade Universitária, São Paulo, 05508-080, Brazil, JANIKIAN, Liliane, Institute of Astronomy, Geophysics and Atmospheric Sciences, University of São Paulo, Rua do Matão, 1226, Cidade Universitária, São Paulo, 05508-900, Brazil, CARRERA, Simone C., Institute of Geosciences, University of São Paulo, Rua do Lago 562, Cidade Universitária, São Paulo, 05508-080, Brazil, and STERN, Andre, Geosciences Institute, University of Sao Paulo, Rua Dr Gabriel dos Santos 242/61B, Santa Cecilia, São Paulo, 01231010, Brazil

IELPI, Alessandro, Natural Resources Canada, Geological Survey of Canada, 601 Booth St, Ottawa, ON J9B1S3, Canada, ielpi@dal.ca and RAINBIRD, Robert, Natural Resources Canada, Geological Survey of Canada, 601 Booth Street, Room 499, Ottawa, ON K1A 0E8, Canada

WINSTON, Don, Emeritus, University of Montana, Missoula, MT 59812, donwinston31@gmail.com

MCKENZIE, N. Ryan¹, HUGHES, Nigel C.², MYROW, Paul M.³, SINGH, Birendra P.⁴, BANERJEE, Dhiraj M.⁵, JIANG, Ganqing⁶, PLANAVSKY, Noah J.⁷, DEB, Mihir⁵, and STOCKLI, Daniel F.⁸, (1) Geological Sciences, University of Texas at Austin, Austin, TX 78752, rmckenzie@jsg.utexas.edu, (2) Department of Earth Sciences, University of California, Riverside, 1242 Geology Building, Riverside, CA 92521, (3) Department of Geology, Colorado College, Colorado Springs, CO 80903, (4) Center for Advanced Study in Geology, Panjab University, Chandigarh, India, (5) Department of Geology, Delhi University, Delhi, 110007, (6) Department of Geoscience, University of Nevada, Las Vegas, NV 89154-4010, (7) Geology and Geophysics, Yale University, New Haven, CT 06520, (8) Department of Geological Sciences, University of Texas at Austin, Austin, TX 78712

AL-HASHIM, Mansour H.M. and CORCORAN, Patricia L., Earth Sciences, University of Western Ontario, 1151 Richmond St. N, London, ON N6A5B7, Canada, malhashi@uwo.ca

HOWE, Timothy, CORCORAN, Patricia L., LONGSTAFFE, Fred J., and WEBB, Elizabeth, Earth Sciences, University of Western Ontario, 1151 Richmond St. N, London, ON N6A5B7, Canada, thowe3@uwo.ca

CORCORAN, Patricia L., ARANHA, Rohan, HILL, Carolyn M., and LONGSTAFFE, Fred J., Earth Sciences, University of Western Ontario, 1151 Richmond St. N, London, ON N6A5B7, Canada, pcorcor@uwo.ca

RAINBIRD, Robert, Natural Resources Canada, Geological Survey of Canada, 601 Booth Street, Room 499, Ottawa, ON K1A 0E8, Canada, rob.rainbird@nrcan.gc.ca, IELPI, Alessandro, Natural Resources Canada, Geological Survey of Canada, 601 Booth St, Ottawa, ON J9B1S3, Canada, LONG, Darrel G.F., Earth Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada, and DONALDSON, John Allan, Ottawa-Carleton Geoscience Centre, Carleton University, Colonel By Drive, Ottawa, ON K1S 5B6, Canada

ALLEN, Charlotte M., Queensland University of Technology, Institute for Future Environments, 2 George St, Brisbane QLD 4001 Australia, cm.allen@qut.edu.au

MCCLELLAN, Elizabeth, Department of Geology, Radford Univ, P.O. Box 6939, Radford, VA 24142, emcclellan@radford.edu and HOLM-DENOMA, Christopher S., Central Mineral and Environmental Resources Science Center, United States Geological Survey, Box 25046, MS 973, Denver, CO 80225-0046

BAILEY, Christopher, Department of Geology, College of William & Mary, P.O. Box 8795, Williamsburg, VA 23187-8795, cmbail@wm.edu

HOLM-DENOMA, Christopher S., Central Mineral and Environmental Resources Science Center, United States Geological Survey, Box 25046, MS 973, Denver, CO 80225-0046, cholm-denoma@usgs.gov, MCCLELLAN, Elizabeth, Department of Geology, Radford Univ, P.O. Box 6939, Radford, VA 24142, and SOUTHWORTH, Scott, U.S. Geological Survey, MS 926A National Center, Reston, VA 20192-0001