Classification, Genesis, and Exploration Guides for Nonsulfide Zinc Deposits Hitzman, M. W. ; Reynolds, N. A. ; Sangster, D. F. ; Allen, C. R. ; Carman, C. E. Abstract Publication: Economic Geology Pub Date: June 2003 DOI: 10.2113/gsecongeo.98.4.685 Bibcode: 2003EcGeo..98..685H