 | | Report (volume) | | DIRECTOR BuiiIiETIN 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND ADJACENT AREAS BY ALEXANDER................................................. Mining districts...................................................................................... Mining development. ...................... .. - - ' -..................................... 18 Placer mining....... ~................................................................ 20 Present status of mining .....:........................................ |  | | Journal (article/letter/editorial) | | pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado Are all things...the north orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado. Specimen is...in hydrothermal vein deposits associated with chalcopyrite, tetrahedrite, sphalerite, galena, pyrite, calcite... Enargite trilling from Butte, Silver Bow County, Montana. Twin is 5 mm across and is on the specimen...lustrous enargite crystals from Butte, Silver Bow County, Montana. The specimen is 5 cm across. William Larson |  | | Journal (article/letter/editorial) | | noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with...million pounds (Del Rio 1960). By comparison, Butte, Montana, produced more than 266 million pounds of copper...the Eagle mine’s (Gil304 ROCKS & MINERALS man district) production. This does not mean that copper has |  | | Journal (article/letter/editorial) | | 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;...C*O*L*O*R*A*D*O FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...Fluorite occurs in significant amounts in many of the mining districts of the Colorado mineral belt. [The Colorado |  | | Report (issue) | | THE COPPER DEPOSITS OF THE CLIFTON-MORENCI DISTRICT, ARIZONA BY w-ALDEMAR LINDGREN WASHINGTON GOVERNMENT... . . . . . . . . . . . . . . . . . . . . . . . Mining _. _................... _.... _... _..... __ ..... . . . . . . . . . . . . . . . . . . . . 61 Longfellow limestones . . . . . . . . . . . . . . . . ..................... . ....... _........... _. Chalcopyrite .. _.~ ...... _.. _...........................________ . ___ ...... __ •. _.. _.. ___ .... _.. Chalcopyrite ............. _________ ·___ ... ___ .. __ |  | | Report (issue) | | zinc, tungsten, and copper. In 1896 world-renowned mining engineer Thomas ''T.A." Rickard called the San...San Juans one of Colorado's four great mining regions along with Leadville, Cripple Creek, and Central City...during the eighteenth century, were the first to mine in the San Juans. One of the earliest recorded expeditions...Above: August sunrise on middle Blue Lake, Ouray County Photo Jack Brauer/WideRange Photo LLC, 2010 Facing...discovered, mines were opened, and by 1874, small mining camps had begun to appear. The towns of Silverton |  | | Report (volume) | | and jefferson Counties, Montana U.S. GEOLOGICAL SURVEY BULLETIN 1805 MONTANA Mineral Resources of...Study Area, Broadwater and Jefferson Counties, Montana By WILLIAM R. GREENWOOD, STEVE LUDINGTON, WILLIAM...Study Area, Broadwater and Jefferson Counties, Montana. (Studies related to wilderness) (U.S. Geological...no.: I 19.3:1805 1. Mines and mineral resources-Montana-Elkhorn Wilderness. 2. Elkhorn Wilderness (Mont...forest land in the Elkhorn Wilderness Study Area, Montana, that is being considered for wilderness designation |  | | Journal (article/letter/editorial) | | 2016 Figure 3. The New Cornelia pit in 1976. The mine shown in figure 1 was located on the volcanic stock...and Morenci recently became the largest open-pit mine in the country; with production approaching 1 million...plenty! This article discusses the history of copper mining in the state, the nature of the deposits, and a...mineral-producing localities. History of Copper Mining in Arizona There is some dispute as to whether...Blake (1898) documented an extensive preColumbian mining operation on Turquoise Mountain, located about |  | | Journal (article/letter/editorial) | | te from a newly discovered locality in Yavapai County, Ariz., on the Verde River near Camp Verde, Ariz...quality. • Two very attractive specimens showing chalcopyrite as small xls embedded in grayish cleavable calcite...the occurrence. "Am sending you specimens of chalcopyrite in fluorescent calcite which may be of interest...interest. These were collected in Yavapai County, East of Prescott, Arizona. "They were taken from a boulder...calcite, about twenty inches in diameter. The chalcopyrite occurs in a thin band about two inches from |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills...86 percent of the districts in Nova Scotia. Chalcopyrite was "very minor" in the Mother Lode (Knopf,...Victoria (Junner, 1921). Hotz (1971) reports that chalcopyrite was uncommon in deposits of this type in the |  | | Report (issue) | | Trip 18 : Safford District (Sanchez) and Morenci - Metcalf October, 1994 Bootprints Along the Cordillera...of the Arizona Geological society, society for Mining, Metallurgy and Exploration Inc., and the U. s...We also want to thank collectively, all of the mining companies and staff who graciously allowed us to...PAGE INTENTIONALLY BLANK MORENCI DISTRICT AND SAFFORD DISTRICT(Sanchez) FIELD TRIP October 8-9, 1994...post-meeting field trip to the Morenci and Safford mining districts. The trip will examine leached capping |  | | Report (issue) | | Tombstone district, Cochise County; Gila County, at Lost Gulch Mine, near Globe; Mohave County, in Mineral...Pima County, in Mammouth Mine, Schulty; Yavapai County, in ores of Bradshaw Mountains; Yuma County, in...in Castle Dome district; common in silver veins. ANTIMONY ORES. See Jamesonite and Stibnite. ARGENTITE...ARGENTITE (silver glance). Mohave County, in pre-Cambrian granite gneiss in Chloride, Mineral Park, and Stockton...Stockton Hill districts; Pinal County, at Silver King; Santa Cruz County, at Montezuma and Empress of India |  | | Report (issue) | | Resources of the Elkhorn Wilderness Study Area, Montana A cooperative study by the U.S. Geological Survey...deposit':?.. Elkhorn-Tizer Basin zone Elkhorn district -»_»_.,H"1 -? r7Q f i-L^ifciL P. d o-i-n DdO-Lll...Ridge prospect Breccia pipe deposits Skyline Mine Blackjack Mine Chicago and Last Hope Mines Group I - Precious-...geology Important occurrences Mining districts (lodes) Beaver Creek district C O O /-\ t£ +L fU -t-L Y-*...History and production Economic geology Elkhorn district 88c 88f 88f History and production Economic |  | | Report (volume) | | )repared in cooperation with the Colorado tate Mining Industrial Development Board (rsenic as a geochemical...-----National Belle mine site (loc. 2) ______ _______________________ Lark mine site (loc. 3) ___ __...--------Longfellow and St. Paul mine sites (locs. 4 and 5) ______________ ___ Brooklyn mine site (loc...showing sample localities at the National Belle mine site ____ __________ ---------------------------------Diagrammatic...the National Belle mine outcrop _____ _ Map showing sample localities at the Lark mine site ________ . Diagrammatic |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...Morgantown. Wisconsin.........Prof. W. 0. Hotchkiss, Madison. Wyoming.........Mr. C. E. Jamison, Cheyenne. ...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Journal (issue) | | Happen Here! A Visit to the Shin-Otani Manganese Mine, Japan Alfredo Petrov alfredopetrov@earthlink.net...small of a hole in the ground merits being called.a mine. None of these mines is in operation anymore, but...show in April mentioned that a nearby manganese mine was now a museum open for underground tourism, I...to the Shin-Otani mine in the Tanba mining district. This manganese mining district includes 277 mines...drive away. After mining in the Kyoto area ended, little more than 20 years ago, mining and miners were |  | | Report (issue) | | Topography, Geology and Mineral Resources.. Douglas County— Location and Topography.. Geology and Ore Deposits...Highways_____ Production............................... Mining Districts— Buckskin (Smith Valley). Gardnerville...Glance)..... U n iv e r s it y o f N e v a d a irmsby County— RBNO, NEVADA Location and Topography............ Nevada, as second-class m atter under A rt of Mining Districts— Congress, July 16, 1894. Acceptance...Brunswick) Voltaire (Eagle Valley, Washoe) Vashoe County— Location and Topography................. 3 7 |  | | Book | | PISTOLS i !?' A J.-. N ; 'jxt . 1 — \ MINING DISTRICTS and MINERAL RESOURCES of NEVADA by ...present authentic infor mation concerning the mining districts and mineral resources of Nevada. No comprehensive...United States Geological Survey in 1912. Plan. “Mining Districts and Mineral Resources of Nevada”, as...parts:—one on mining districts and the other on mineral resources. The section on mining districts is...but gives more extended descriptions and includes mining as well as geological information. The map which |  | | Report (volume) | | ....................................... 102 District of Columbia ......................................... 139 144 146 153 158 163 169 . 172 174 Montana..................................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Journal (issue) | | ......... 15 W. E. Wilson The Piedmont mine, Yavapai County, Arizona ........................................ 29 B. L. Muntyan The San Manuel mine, Pinal County, Arizona ..................................Alexander The Morenci and Metcalf mines, . Gila County, Arizona ........................................& W. E. Wilson Mineral collecting at the Magma mine, . . Superior, Arizona ..........................Presmyk & M. Hay Treasures of the Magma mine, Pinal County, Arizona ............................... |  | | Journal (issue) | | 85740 602-297-6709 Articles The Iron Cap mine, Graham County, A rizona..................................Ouray County, Colorado ............... 89 by B. & J. Muntyan Anatase on quartz from Ouray County, Colorado... Finds made in Arizona (the Iron Cap mine) and in Ouray County, Colorado, are described in three articles...huge i show organized by Herb Duke at the Pima County Fairgrounds. Following the advertising section...meteorites, rare bo collector-quality gemtones, mining memorabilia, and who knows i else. Practical information |  | | Journal (article/letter/editorial) | | National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire...veins where it is associated with, among others, chalcopyrite, galena, sphalerite, pyrite, acanthite, bornite...pseudomorph collector there are examples of chalcopyrite, cuprite, covellite, pyrite, bournonite, and...tetrahedrite and pyrite specimen from the Anchor mine, Park City, Utah. The specimen was in the stock...present time are from the Sweet Home mine, near Alma, Park County, Colorado, where it occurs with rhodochrosite |  | | Book | | volume is dedicated is four-fold: (1) To locate by mine, deposit, or community those mineralized areas of...Co. Hematite CALERA, Shelby Co. Wavkllite CLAY COUNTY, Sec. 24. T. 19 S R., 7 E. STATUARY, Coosa Co...Co., (W. border of* Marble Crystalline TALLADEGA COUNTY Marble, (crystalline) VALLEY HEAD, DeKalb Co. Hematite...VILLAGE SPRINGS, Blount Co. Hematite WOODS COPPER MINE, Cloaburne Co. Sphalerite ARIZONA COVEI.I.ITE...Feldspar HISSOP, Coosa Co., (near) Beryl JACKSON COUNTY Hematite KENNEDYS, Clay Co., (near) Magnetite MILLERVILLE |  | Kimball, B.E., Mathur, R., Dohnalkova, A.C., Wall, A.J., Runkel, R.L., Brantley, S.L. (2009) Copper isotope fractionation in acid mine drainage. Geochimica et Cosmochimica Acta, 73 (5) 1247-1263 doi:10.1016/j.gca.2008.11.035 | Journal (article/letter/editorial) | | com/locate/gca Copper isotope fractionation in acid mine drainage B.E. Kimball a,*, R. Mathur b, A.C. Dohnalkova...Park, PA 16801, USA b Department of Geology, Juniata College, Huntingdon, PA 16652, USA c Pacific Northwest...Richland, WA 99354, USA d US Geological Survey, Denver Federal Center, Denver, CO 80225, USA Received 28 March...water affected by acid mine drainage in a mineralized watershed (Colorado, USA). The d65Cu values (based...of enargite (d65Cu = 0.01 ± 0.10&; 2r) and chalcopyrite (d65Cu = 0.16 ± 0.10&) are within the range |  | | Journal (issue) | | Famous mineral localities: the Home Sweet Home mine ..................................................quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by...significant mineral localities in C o l o r a d o ,by county. In addition, there is a complete listing o f all...type localities, and an alphabetical cross-index by mine name. T INTRODUCTION In the Spring of 1976 a group...LOCALITY INDEX BOULDER COUNTY Caribou Mine Caribou (near Nederland), Caribou District (Silver, Uraninite |
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