 | | Report (issue) | | lateTertiary age and include: precious- metal (gold and silver) and base-metal (lead, zinc, and copper) vein,... porphyry-type copper and molybdenum, silver and base-metal breccia-pipe, and rhyolite-related uranium...less than 10,000 tons) of relatively high-grade silver ore. Only a few prospected mineral occurrences...Engineer Pass and along the North Fork of Henson Creek several miles to the south and east, respectively...ore deposits within the Galena and Mineral Point mining districts south of the American Flats Wilderness |  | | Report (volume) | | potential (particularly for molybdenum, uranium, and silver) within the study area (fig. 1) is considered to...some moderately productive, small-tonnage vein-silver deposits occur nearby on faults that parallel those...late-Tertiary age and include precious-metal (gold and silver) and basemetal (lead, zinc, and copper) vein deposits...deposits, porphyrytype copper and molybdenum deposits, silver and basemetal breccia-pipe deposits, and rhyolite-related...igneous activity in the area. There has been no mining activity within the American Flats Wilderness Study |  | | Report (issue) | | the Maps 17 Degree of Accuracy 19 Description of Mining Claim M a p 20 Literature 23 Acknowledgments 24...Claims—Primitive Mining 149 Mining Under Difficulties 155 Future Outlook 157 Prehistoric Mining 158 High-grading...High-grading 158 Early Mining Customs 158 C H A P T E R VI. P R O M I N E N T M I N E S IN T H E A L M A DISTRICT...Belle Mine 172 Paris Mine 174 Moose Mine 175 Dolly Varden Mine 181 Atlantic-Pacific Mines 182 8 CONTENTS...Introduction Snow Storm Placer Cincinnati Placer Beaver Creek Placering 184 184 185 188 189 CHAPTER VIII. ORE |  | | Report (issue) | | Geological Survey field parties on behalf of the Division of Raw Materials of the U0 S 0 Atomic Energy Commission........... Nenana district .............. Valdez Creek district ........... Chulitna district ...........lithium, manganese, molybdenum, nickel, phosphorus, silver, thorium, and zinc. Of the mineralized areas within...prospects for iron, bismuth, copper, antimony, lead and silver. The Sinuk River limonite deposits at the western...chalcopyrite, molybdenite,, pyrite, bismuth, gold and silver, have been found in placer concentrates from gravels |  | | Report (volume) | | SMITH, DIRECTOR BTJXILETESr 347 THE AND WRANGELL MINING DISTRICTS, ALASKA BY FRED EUGENE WRIGHT AND ...History of mining developments- ____________!__________ 9 11 11 12 13 14 16 Ketchikan mining district______...district______ 16 AVraugell mining district __ _________________________ IS Production _ __ 19 Geographic...__________ 41 Geology of the Ketchikan and Wrangell mining districts__________ 43 . . Geologic maps __ _ __...__ Tayjor prospect____________________ Mammoth group.-_________ - __________ Other prospects_________________________ |  | | Report (volume) | | American citizens. controlled and managed by British and The Corporation owns over fifty patents in...values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum, mercury, etcetera. The Corporation...install or use our processes in the United States, Canada, Mexico or Cuba without direct written sanction...so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...WIS. CITIES Business: Ltd., Toronto, Ont., Canada THE MINES HANDBOOK Meeting tbe Needs of Mine |
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