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| Mountain-type Au-Ag polymetallic veins, Blue Mountains, Oregon, for use in resource and environmental assessment...Mountain-type Au-Ag polymetallic veins of eastern Oregon can be used: (1) to characterize the gold and silver...maximum depths, target areas, and overall lengths of mine workings for use in environmental assessment. The...target area of 160 hectares (fig. 8). Depth of mining in known deposits range from 31 to 915 m. The geometric... Eighty percent of the deposits have subsurface mine workings lengths between 1,100 and 5,900 m (fig |
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| OREGON GEOLOGY published by the Oregon Department of Geology and Mineral Industries VOLUME 47. NUMBER...MONTH: ANNUAL SUMMARY, MINERAllNOUSTRY IN OREGON 1984 OREGON GEOLOGY (ISSN 0164·3304) VOLUME 47. NUMBER...NUMBER 4 APRIL 1985 Published monthly by the Oregon Department of Geology and Mineral Industries (Volumes...Supervisor Second class postage paid at Portland, Oregon. Subscription rates: 1 year, $6.00; 3 years, $15...subscription orders, renewals, and changes of address to Oregon Geology, 910 State Office Building, Portland, OR |
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| STATE OF OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES 329 SW. Oak Street Portland, Oregon Bulletin...No. 14-A Oregon Metal Mines Handbook By the Staff Bulletin No. No. 14-A Northeastern Oregon-East Half...Northeastern Oregon-West Half No. 14-C Southwestern Oregon No. 14-D Northwestern Oregon No. 14-E Central...Central and Southeastern Oregon ----�- 1939 STATE GOVERNING BOARD W. H. STRAYER, CHAIRMAN BAKER ...• FOREWORD T HE ONLY handbook or catalog of Oregon mines ever published was issued in 1916-more than |
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| ORECiON CiEOLOCiY published by the Oregon Department of Geology and Mineral Industries VOLUME 44, NUMBER...NUMBER 4 !' APRIL 1982 OREGON GEOLOGY OIL AND GAS NEWS (ISSN 0164-3304) Mist Gas Field: VOLUME 44... APRIL 1982 Published monthly by the State of Oregon Department of Geology and Mineral Industries (Volumes...subscription orders, renewals, and changes of address to Oregon Geology, 1005 State Office Building, Portland,...information contained herein. Credit given to the Oregon Department of Geology and Mineral Industries for |
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| OREGON GEOLOGY published by the Oregon Department of Geology and Mineral Industries VOLUME 48, NUMBER...nlUAL SUMMARY: MIIERAL IIDUSTRY II DREGDI 1985 OREGON GEOLOGY (ISSN 0164-3304) VOLUME 48, NUMBER 4 ... APRIL 1986 Published monthly by the Oregon Department of Geology and Mineral Industries (Volumes I...Supervisor Second class postage paid at Portland, Oregon. Subscription rates: 1 year $6; 3 years, $15. Single...subscription orders, renewals, and changes of address to Oregon Geology, 910 State Office Building, Portland, OR |
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| the “famous locality” series: the Home Sweet Home mine and Mount Antero. A fine mineralogical study of...remaining for future Col orado issues. Cripple Creek, for instance, and the Gilman area, Creede, Breckenridge...you belong to, and where you come from. American mining schools and professional organizations have long... centering on some of the nostalgic aspects of mining in Arizona and beautifully illustrated with paintings...“Missing and presumed lost” by the wellknown lost-mine author Kearney Egerton; “El Dorado’s children” by |
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| Figure I (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing...specimen. Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes;...in significant amounts in virtually all of the mining districts of the Colorado mineral belt. (The Colorado...22 February 2016 Figure 4 (above). Pyrite, Eagle mine, Gilman, Eagle County. Cluster of complex striated...specimen. Figure 3 Oefr). Pyrite, quartz, Camp Bird mine, Ouray, Ouray County. Pyritohedra partially coated |
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| the 1997 Denver Show c Part 2: The Discovery, Mining History, Geology, and Specimen Mineralogy of Selected...in Colorado and the mining history and geology/mineralogy of the Front Range mining districts. In part...Kelley’s Bar and then further upstream at Cache Creek, they found that they were once again too late....1. Gold, 11.7 by 2.5 cm (8.5 ounces), Ground Hog mine, Gilman, Eagle County. Harvard Mineralogical Museum...boom-and-bust cycle common to almost all these early placer mining camps, but it managed to hold on (barely) because |
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| GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING,...fold-fault _ Faults in the eastern part of the district 95 62 Kokomo syncline_ Faults southeast_ of _..._ Leadville 62 the_ Fryer Hill folds _ 62 district _ 95 Warping and drag along normal faults, _ _ _ 96...103 66 and Mike faults _ Iron Hill _ 103 66 Tucson mine _ Area between Iron and Adelaide faults_ _ _ Yak_...bounded by Weston, Colorado Prince, 105 Wolf tone mine _ 74 Silent Friend, and Winnie-Luema faults_ Probable |
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| 1921 and 1922 was devoted chiefly to the Wrangell district. A part of the results have already been published...believed, is of immediate practical value to the mining industry. For this reason it is here presented...understanding of the occurrence of ores in the district examined is by no means complete. Therefore, the...with the gold and silver deposits of the Hyder district and the copper and nickel ores of Chichagof and...Ketchikan district, and of the mainland from Port Houghton to Taku Inlet, in the Juneau district. From August |
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| enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground...netlaneaiveme beneigs ony Snir » be = Ba and a Creek: oe * Md 8 _ yo ae Ve ja rete: _ ...oFtne ato aa Gem Ghd nQkTeane Uva a nes ly ia" mine Ui nrobs inesob cere ts ou ioe tok us 'aaieomolitt...exception of the rhodochrosites of the Sweet Home Mine, Alma, Colorado, which were loaned for photography...and the Central Mining District, Grant County Burro Mountains Apache No, 2 District Lake Valley Caballo |
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| intrusives__________-__-__--___-----------_-----_Texas Creek batholith and associated dikes..__--__.__-__-__-...metamorphism----------.----------------------..-Texas Creek intrusives.___.__._____-__--_-------_--__Hyder and..._--_----________________________________ 40 Texas Creek batholith_____________________________________ 41...deposits to the intrusive masses.--.---. 53 Texas Creek batholith and associated porphyry dikes. _____ 53...53 Relation of the porphyry dikes of the Texas Creek batholith to the Premier ore bodies of British Columbia |
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| By A. F. BUDDINGTON INTRODUCTION In the Sitka district the continued operation of the Chicagoff and Hirst-Chicagof...interest in prospecting for gold ores. In the Juneau district a belt of metamorphic rock, which extends from...on the properties of the Admiralty-Alaska Gold Mining Co. and the Alaska-Dano Co. on Funter Bay and of...quartz that assays low in gold. In the Wrangell district the only property being prospected during 1924...of Wrangell. In the Ketchikan district, as reported, the Dunton gold mine, near Hollis, was operated during |
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| MINING ON PRINCE WILLIAM SOUND. By BERTRAND L. JOHNSON. GENERAL FEATURES. The lode-mining districts...Most of the gold mines were in the Port Valdez district. Besides these properties, a prospect on Knight...few days in the fall. COPPER MINING. GENERAL CONDITIONS. Copper mining and prospecting in the Prince...copper. The Beatson Copper Co. and the Ellamar Mining Co. made regular shipments as usual, but the other...the Granby Consolidated Mining, Smelting & Power Co. (Ltd.) to put the Midas mine, on Solomon Gulch in the |
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| of quartz veins stained with iron, the Valdez district for many years received relatively little attention...which 12 years later was developed as the Cliff mine. A few men, however, persistently kept up the search...lacking. The Cliff mine became productive in 1910 and proved a very profitable mining venture. Its success...possibility of developing here a new auriferous lode district. As a result, several hundred lode claims were...brief visit to the Cliff mine and also obtained sufficient data about the mining advancement at other, localities |
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| detailed studies of these resources including mining district and field studies; develops computerized resource...world. Early Ordovician fossil-bearing strata near Ibex in western Millard County serve as the North American... . . . . . . . . . . . . . . . . . . .134 Fool Creek Conglomerate (Tfc) . . . . . . . . . . . . . . .... . . . . . . . . . . . .135 Rhyolite of Cudahy Mine (Tcr) . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . .136 Basalt of Cove Creek (Tcc) . . . . . . . . . . . . . . . . . . . . . |
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| otherwise noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection...Nearly 100 million pounds came from the Leadville district, with another 50 million pounds mined in San Juan...1926). During the twentieth century, the Gilman district surpassed Leadville in total copper production...the Eagle mine’s (Gil304 ROCKS & MINERALS man district) production. This does not mean that copper has...copper-bearing chimneys are limited to the Red Mountain district in Ouray County. Figure 2. Colorado mineral belt |
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| Speaking 3 T5I California Convention 4 Yogo Sapphire Mine Reopened 4 Alpha Counters 5 Berkeley Cass iter ite...States. YOGO SAPPHIRE MINE REOPENED A REOPEN INC OF THE FAMED YOGO~ 'SAPP H I RE MINE, IN THE LITTLE BELT...scheduled TO BEGIN THIS MONTH, UNDER NEW OPERATORS. THE MINE HAS BEEN IDLE SINCE 1929, AFTER HAVING PRODUCED...Mountains The Yogo mine has the distinction of being the only lode vein SAPPHIRE MINE IN THE WORLD, SINCE...reported FROM A NEW LOCALITY NEAR THE TOWN OF PLUSH, OREGON SOME 35 MILES east of Lakeview. The filling is |
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| PAPER 235 Includes the. Leadville, Colorado, mining district. Prepared in cooperation with the Colorado...Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES GOVERNMENT PRINTING OFFICE...shear zones on Finnback Knob. Faults near Hilltop mine _________________ Faults of the southern section...____ _______ Bowden and related faults in the Ibex mine. Classes and ages of faults. ___________________...Comparison with deposits in central Leadville district and elsewhere. ____________________ Description |
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| Bulletin 779 GUIDES TO ORE IN THE LEADVILLE DISTRICT, COLORADO BY G. F. LOUGHLIN WASHINGTON GOVERNMENT...shafts__________________ 4 2. Plan of different levels of Tucson mine, showing relation of Tucson-Maid fault to ore bodies...______ 19 m GUIDES TO ORE IN THE LEADVILLE DISTRICT, COLORADO By G. F. LOUGHLIN INTRODUCTION The...geology and ore deposits of the Leadville mining district, Colorado, recently completed, is similar in...on mining districts issued by the United States Geological Survey. The data of most value to mine operators |
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| crystals in Clear Creek and Gilpin Counties the best were found in the Saratoga Mine near Russell Gulch...Gulch. I have gone over the three dumps of this mine without finding good groups or crystals. I did find...their own acid. I did get a few specimens from this mine from other sources, one from New York and several...octahedron group I have seen came from the For Far Mine at Russell Gulch. There were several 2 inch crystals...fine specimens. In the early days of radio the Ibex Mine produced many fine cubes that were used in old |
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| . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . ...increasing both because of renewed activity in old mining camps and because of Utahns and tourists who seek...selected metallic minerals of each county. CHAPTER I MINING DISTRICTS OF COUNTIES AND THE STATE OF UTAH The...publications may-be inter-changed. In Chapter I mining districts are listed alphabetically both for each |
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| University Auburn, Alabama 36849-5305 HEMIMO RPHITE CALCITE :;:domorphs Downloaded by [North Dakota State...encrustation pseudomorphs of hemimorphite after calcite. The hemimorphite is colored yellow by microscopic...The specimen was found in a Joplin, Missouri, district mine in the late 1800s and was donated to the Carnegie...barite mines of Missouri’s several world-class mining districts could have been chosen for this issue’s...might have been a marvelous galena, sphalerite, or calcite specimen exhibiting gigantic, beautifully developed |
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| University Auburn, Alabama 36849-5305 COPPER RAY MINE, PINAL COUNTY, ARIZONA Downloaded by [University...pseudomorphs after cuprite, aragonite, azurite, calcite, chalcocite, chalcopyrite, chalcanthite, antlerite...most notably those in the western mining states and the copper district of Michigan’s Keweenaw Peninsula...were found in a number of locations in the Bisbee district, Arizona (Graeme 1981), including crystals up...shaft, arborescent groups from the Copper Queen mine, and even postmining growths on old timbers in the |
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| ) smithsonite. Smithsonite pseudomorphs after calcite, aragonite, dolomite, anglesite, galena, and sphalerite...mines, Phoenixville, Chester County, the Ueberroth mine near Bethlehem, and the zinc mines at Friedensville...Timberville district in Rockingham and Shenandoah Counties, and the Austinville district, Wythe County...of the Rush Creek district), Marion County, Arkansas (Richards 1993). and the Hill lead mine, Hardin County...Illinois-Kentucky fluorite district (Goldstein 1997). Smithsonite was relatively common in scattered mining districts |
