United States Department of the Interior Geological
UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Geology and mineral deposits of the Hailey and western Idaho Falls I°x2° quadrangles, Idaho Abstracts and short papers selected from the symposium and poster sessions presented to the Annual Convention of the Northwest Mining Association, Spokane, Washington, December 7, 1989 edited by Gary R. Winkler1 , Sandra J. Soulliere1 , Ronald G. Worl2 , and Kathleen M. Johnson2 Open-File Report 89-639 December 1989 This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards and stratigraphic nomenclature. 1U.S. Geological Survey ^.S. Geological Survey Denver, Colorado Spokane, Washington CONTENTS Page Introduction ............................ 1 Worl, R.G., and Johnson, K.M., Geologic terranes and mineral deposit types in the Hailey and western Idaho Falls I°x2° quadrangles, Idaho .................... 3 Johnson, K.M., and Worl, R.G., Preliminary assessment of mineral resources of the Hailey and western Idaho Falls I°x2° quadrangles, Idaho ....................... 17 Smith, C.L., Geochemical characterization of some mineralized terranes in the Hailey I°x2° quadrangle, Idaho ......... 23 Kleinkopf, M.D., Bankey, Viki, and McCafferty, A.E., Gravity and magnetic anomaly patterns applied to mineral resource exploration, Hailey I°x2° quadrangle, Idaho .......... 26 Lewis, R.S., Plutonic rocks in the southeastern part of the Idaho batholith and their relationship to mineralization .... 33 Kiilsgaard, T.H., Regional geology of the northwestern part of the Hailey I°x2° quadrangle and ore deposits of the Atlanta district, Idaho .................... 35 Snee, L.W. , and Kunk, M.J., ^Ar/^Ar thermochronology of mineral deposits in the southern part of the Idaho batholith .
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