Author Affiliations +
FRANCESCO MACCHIONI,1 PAUL L. SMITH,1 HOWARD W. TIPPER2
1Earth and Ocean Sciences Department, 6339 Stores Road, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4, < > fmacchio@eos.ubc.ca
2Geological Survey of Canada, 101–605 Robson Street, Vancouver, British Columbia, Canada V6B 5J3