 | | Report (issue) | | PLATINUM NEAR CENTENNIAL, WYOMING By FRANK L. HESS INTRODUCTION . During the winter of 1923-24 numerous...accounts of platinum discoveries near Centennial, Albany County, Wyo., appeared in the press. Startling...west side and top of Centennial Ridge. (See fig. 4.) Centennial, a small mining town about 2 miles northeast...which the prospects are about 35 miles west. Centennial Ridge is a crescentic flat-topped mountain, concave...steep-sided valley 1,800 feet below the summit of the ridge. The valley widens at three places and forms small |  | | Report (issue) | | THE GEOLOGICAL SURVEY OF WYOMING Gary B. Glass, Executive Director and State Geologist ADVISORY BOARD...Governor Terry P. Roark,President, University of Wyoming Donald B. Basko, Oil and Gas Supervisor Appointed...Cheyenne, Wyoming. This and other publications available from: The Geological Survey of Wyoming P.O. Box...University Station LaIanlle, Wyoming 82071 (307) 766·2286 Front Cover - Wyoming gold. Gold buttons in the...recovered by Dean Farris from mine dump waste in the Gold Hill district. The actual diameter of the button |  | | Report (volume) | | as the principal commodity or as a byproduct of mining other metals, based on a review of worldwide information...descriptive models were based on a single deposit or district and therefore lacked grade-tonnage distributions...tracts (map 1, pi. 1)......................... Wyoming (tract 15, map 1)................................Colombia, and more recently as byproducts from mining of sediment-hosted copper deposits in the Kupferschiefer...Europe and the Copperbelt of central Africa and mining of quartz-pebble conglomerate golduranium deposits |  | | Report (volume) | | Akita Univ. Mining Colt Jour. Akita, Japan. Alabama Acad. Sci. Jour. Ala. Journal of the Mining College...Canada. Canadian lost. Mining and Metallurgy Spec. Vol. - Canadian Institute of Mining and Metallurgy Special... Ontario, Canada. Canadian Mining and Metall. Bull.- The Canadian Mining and Metallurgical Bulletin....Institute of Mining and Metallurgy. Montreal, Quebec, Canada. Canadian Mining Jour. - Canadian Mining Journal...Ill. Earth Sci. Bull.- Earth Science Bulletin. Wyoming Geological Association. Wyo. Earthquake Notes - |  | | Report (edition) | | OF THE PLATINUM METALS MonE OF OccuRREN0E • • MINING AND CONCENTRATION l\t!ETAT,I,URGY • • • • •...group of metals includes platinum, palladium, iridium, rhodium, ruthenium and osmium. Platinum is the...chief producer of naturally occurring osmi1Jm-iridium alloys. Russia was for many years regarded as the...as in the alluvial gold workings of the Choco district, it was usually thrown away as worthless, although...metal, and towards the middle of the 19th century mining was carried on in the town of Quibd6, Colombia |
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Centennial Ridge Mine, Centennial Ridge Mining District, Albany County, Wyoming, USA