 | | Journal (article/letter/editorial) | | detailed stratigraphic profile over 23 m in the Skimo Creek area (central Brooks Range) indicates that samples...Drenchwater deposit 2 3 Red Dog district 141oW 4 Skimo Creek section Skimo Creek 5 6 7 8 uk Alaska Prudhoe...Drenchwater Red Dog district Kuna Basin Red Dog district Drenchwater + Skimo Creek + Kuna Basin Nuka...km Lithofacies and Depositional Settings Wolverine Creek, Ivotuk, and related plates of Endicott Mountains...shallow-marine siliciclastic strata Drenchwater, Key Creek and related plates of Endicott Mountains allochthon |  | | Report (issue) | | tantalum 180.9 tungsten 183.9 rhenium 186.2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197............................................. I11 Mining and Beneficiation Methods........................Red Dog mining district in Alaska and the stratigraphy of selected deposits in the district............ Worldwide, primary germanium was recovered in Canada from zinc concentrates shipped from the United...China. Other leading producers included Belgium, Canada, Japan, and the Republic of Korea. These five countries |  | | Report (issue) | | tantalum 180.9 tungsten 183.9 rhenium 186.2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197...Front cover (clockwise starting at top left). Dry Lake Wind Power Project. This 63-megawatt-capacity facility...potential environmental and health issues caused by the mining and processing of many mineral commodities may...the environmental considerations related to the mining of nonfuel mineral resources, including the modern...Chapter B. Environmental Considerations Related to Mining of Nonfuel Minerals By Robert R. Seal II, Nadine |  | | Report (issue) | | elements (platinum, palladium, rhodium, ruthenium, osmium, and iridium) and 75 percent of the identified...more than 2 million oz of gold in the New World district (see map on p. ii). Exploration for gold, platinum-group... Y»llowston» National Park Red Lodgechromite district WY 109° -I r 45°45' Permissive tracts forcopper+gold+...porphyry copper deposits. L 111° J 45' New Worid district Permissive tracts for selected deposit types...presence of various types of mineral deposits. Mining and exploration history and locations and descriptions |  | | Report (issue) | | Regional offices ........................... . District offices ......................•...... Offices...from five active mines in the east Tennessee zinc district and from many Al A2 RESOURCES INVESTIGATIONS...zinc deposits in the upper Mississippi Valley district A. V. Heyl and W. S. West report that carbonate...prior to mineralization in an area of recent zinc mining east of Mineral Point, Wis. Sphalerite ore replaces...sagging of dolomite strata seen elsewhere in the district are imperceptible east of Mineral Point. In places |
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