 | | 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...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Report (issue) | | likely to be present include pyrite, galena, sphalerite, and arsenopyrite (Berger, 1986). These minerals...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent feature...correlated with better gold grades in both areas. Sphalerite was identified as "subordinate" by Hotz (1971)...statements found in the literature for an area or district do not differentiate between mineral abundance...on pyrite, arsenopyrite, galena, chalcopyrite, sphalerite, pyrrhotite, stibnite, galena, calcopyrite, tetrahedrite |  | | Journal (issue) | | to preserve and promote the unique geologic and mining heritage of Wisconsin while underscoring the importance...jarosite crystals on matrix from the McLean Mine, Esmeralda Co., Nevada. The Martian material was considerably...of finely powdered obsidian rock obtained from Clear Lake in Oregon. It is used to validate the methods...abandoned mine sites in the mountains of central Colorado. A unit of SRM 2780a consists of approximately...interesting find is still not fully researched, it is clear that government-supplied standards of minerals and |  | | Report (volume) | | important were those in the Central City district, Colorado, from which about 300 tons of high-grade...Utah; the Schwartzwalder (Ralston Creek) and Los Ochos mines, Colorado; the Early Day and Buckhorn claims...Daybreak mines, Washington; the W. Wilson mine, Montana; the White King mine, Oregon; the deposits in the...GEOLOGY area, Montana and Wyoming, and the deposits in the Dripping Spring quartzite, Gila County, Ariz. According...areas in Saxony; the Beaverlodge district, Canada; the Cornwall district, England; the Guarda and adjacent |  | | 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 (issue) | | decide whether a certain metalliferous deposit or district should be included or not. The problem was also...other forms) since 1935 is reviewed. New sulfur mining and recovery projects in the United States and...chemical properties of sulfur, the geology and mining operations of the salt-dome sulfur deposits, the...Swager, W. L. , and Sullivan, J. D. , 1951, Sulphur: Mining Engineering, vol. 3. , pp. 403409. The history...the Gulf Coast, Isthmus of Tehuantepec, and Utah-Colorado provindes. Index maps of the salt domes and salt |  | | Report (volume) | | ............................................. Colorado........................................................................................ 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 |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...copyright © 2004 unless otherwise noted Map of Mining Districts and significant mineral occurrences of...6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J...production of environmental protection equipment. Mining and the discovery, identification, and development...to Nevada in 1929 and was actively involved in mining in the state and the western U.S. for the rest | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph by J...percent of the state. Nevada's public lands offer mining, livestock grazing, wild horse viewing, .scenic...Road and Geologic Tours in th<' Las Vegas Area. Mining and the discovery, identification, and development...Vavis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 |  | | Book (edition) | | YEAR 1687"—DAVID T. DAY, CHIEF OF THE DIVISION OF MINING STATISTICS AND TECHNOLOGY WASHINGTON GOVERNMENT...and consump tion, or better and cheaper means of mining, extraction, and convey ance to market, may in...correspondence has been carried on with geologists, mining engineers, and other local authorities, and various...thickness; mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted...south prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles |  | | Report (volume) | | 1902. Minneapolis, Minn. American Institute of Mining Engineers: Transactions, vols. 31 and 32, 1902...Canada. Canadian Mining Institute: Journal, vol. 5, 1902! Ottawa, Canada, Canadian Mining Review, vol. 21...nos. 2 and 3, 1902. Cincinnati, Ohio. . ' Colorado Mining Bureau: Bulletin, no". 5; Eeport, 1902. Denver...1, 1902. Chapel Hill, N. 0. ' Engineering and Mining Journal, vols. 73 and 74, 1902. New York,-N. Y...Institution of Mining and Metallurgy: Transactions, vol. 10, 1902. London, England. Institution of Mining Engineers: |  | | Book (edition) | | (Cross-seaion at right) CHRYSOBERYL EPIDOTE PERIDOT SPHALERITE CORUNDUM FELDSPAR ^ PHENACITE SPODUMENE...from them weather the types of agates found in Montana. Metamorphic rocks include those of either of the...associated with such rocks. Because hard rock mining amateur will usually get is tedious and expensive...the summer; neither is it wise to prospect in Montana or Maine in the as the winter. An scope, and...recent perhaps because of the decline in placer mining for gold in made dis- faces helps to distinguish |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | Report (issue) | | limestone or dolomite. It is a useful ore guide in many mining districts UNITED STATES GOVERNMENT PRINTING OFFICE........... Characteristics of jasperoid in major mining districts of the United States ..................................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona .......Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ........... |  | | Journal (article/letter/editorial) | | October 2014 Vindicator Mine, Cripple Creek, Teller County, Colorado I n terms of sheer volume of production...Kalgoorlie, Western Australia, and Cripple Creek, Colorado. Although on opposite sides of the globe, they...they have striking similarities in their mining history and mineralogy, but their geology is seemingly...tellurides associated with coarse native gold. Cripple Creek, on the other hand, has been and continues to be...is sylvanite. A historically significant Cripple Creek sylvanite specimen has been nominated for this issue’s |  | | Catalog/List | | Old No. l Headfnme. Whi ■ key Hlll Mine, Tuohnne County, CaUfomla (r■-,u. .SV•t- tor cr11•t•J lJaed gold...today. The boxes Dimensions in Inches Crystal clear Opaque black Crystal top, black bottom Black top...l x l l x l 57 58 Crystal clear Opaque black l l 59 60 Crystal clear Opaque black Cat. No. 52 53...Unmounted. 24 specimens unmounted in 1-inch square clear plastic boxes. $85.00 t-OUNTED SPECil'ØJSare permanently...packed for protection between flexible foam pads in clear plastic bm |  | | Journal (article/letter/editorial) | | at 02:13 13 March 2015 CALAVERITE Cripple Creek, Colorado W ith the exception of native gold and electrum...phenomenal Cripple Creek district, essentially subsequent to the development of all other Colorado gold districts...suggested for this issue, much of which is devoted to Colorado minerals. Calaverite is a yellowish to silver-white...Analyses of calaverite from the Kirkland Lake district, Ontario, Canada, show up to several tenths of...arsenopyrite, tennantite, pyrite, stibnite, and sphalerite. Gold tellurides in general are of exceedingly |  | | Report (volume) | | GEORGE OTIS SMITH, DIRECTOR BULLETIN 594 SOME MINING DISTRICTS IN NORTHEASTERN CALIFORNIA AND NORTHWESTERN...GEORGE OTIS SMITH, DIRECTOR BULLETIN 594 SOME MINING DISTRICTS IN NORTHEASTERN CALIFORNIA AND NORTHWESTERN...of the ore deposits 2 27 30 Mining districts 2 Hayden Hill, Lassen County, Cal 2 30 30 Location and accessibility...filling 3 42 CONTENTS. Mining districts—Continued. Hayden Hill, Lassen County, Cal.—Continued. Ore deposits—Continued...shoots Milling High Grade district, Modoc County, Cal Location History of mining Accessibilty Previous descriptions |  | | Report (issue) | | Survey, Box 25046, Denver Federal Center, Denver, Colorado 80225 U.S.A. CONTENTS COAL GEOLOGY . High Chromium...Tertiary Coal in the Powder River Basin, Wyoming and Montana; Some Paleogeographic Constraints SEELAND, David...MINERALOGY Basal Tertiary Volcanic Rocks at Nanny Creek, Northern Pequop Mountains, NE Nevada BROOKS, W...Lode-Type Gold Mineralization, Hodson District, Calaveras County, California CHAFFEE, M.A., AND KUHL,...Dow Chemical #1 Garrigan Drill Hole, Mississippi County, Arkansas DIEHL, S.F., GOLDHABER, M.B., TAYLOR |  | | Journal (article/letter/editorial) | | JUAN COUNTY, COLORADO B A R B A R A and J O H N M U N T Y A N 6978 Wapiti Court Boulder, Colorado 80301...material has been obtained from a number of San Juan County mines and prospects during the last decade, in...almost ceased. COLORADO S A N J U A N C O U N T Y L I E S in southwestern Colorado. Some of the state's...principal town in the county. The American Tunnel, located just north of town along Cement Creek at Gladstone...and has been the major source of specimens in the county. Most museums and many pri vate collections have |  | | Report (issue) | | Bldg , 2600 comdor, 18th and C Sts , NW • DENVER, Colorado--Federal Bldg , Rm 169, 1961 Stout St. • LOS ANGELES...ROLLA, Mlssourl--1400 Independence Rd • DENVER, Colorado--Map Distnbutton. Bldg 810, Federal Center • FAIRBANKS...Gold Deposits-Part I The Goldfield Gold District, Esmeralda and Nye Counties, Nevada By ROGER P. ASH...Precious-metal District, Esmeralda and Nye Counties, Nevada By ROGER P. ASH LEY The Republic Gold District, Ferry...Ferry County, Washington By MORTIMER H. STMTZ and ROBERT C. PEARSON The Comstock Lode Precious-metal District |  | | Report (volume) | | the Silver Peak Range Wilderness Study Area, Esmeralda County, Nevada U.S. GEOLOGICAL SURVEY BULLETIN 1731-G...the Silver Peak Range Wilderness Study Area, Esmeralda County, Nevada By WILLIAM J. KEITH, ROBERT L. TURNER...the Silver Peak Range Wilderness Study Area, Esmeralda County, Nevada. U.S. Geological Survey Bulletin 1731-G...Range Wilderness Study Area (NV-060-338), Esmeralda County, Nevada. CONTENTS Summary Gl Abstract...Acknowledgments 5 Appraisal of identified resources 5 Mining history 5 Identified resources 5 Assessment of |  | | Journal (issue) | | on Amazonite 7.5 cm, from the Smoky Hawk claim, Colorado. Collected by the Dorris family; Tom Spann photo...pocket in 1955 at least 25 others were found as mining progressed. The contents of these, which ranged...“Tuesday, October 24, 1972—Weather broke very cold and clear. Set off two small blasts to enlarge the entrance...local bank. “Thursday, October 26, 1972—A bright, clear day. We worked the new pocket very carefully, by...so far. “Friday, October 27, 1972—Another fine, clear autumn day. Late in the morning, while cleaning |  | | Report (issue) | | organization is carrying on for the direct advancement of mining interests throughout the country than can readily........ 932 Hague, A.; Weed, National Park; no mining W. H.; . Iddings, permitted. J.P. Lindgren, W.... No. 38. Economic geology of the Bingharn mining district, Utah, by J. M. Boutwell, Arthur Keith, and...Tonopah mining district, Nevada, by J. E. Spurr. No. 43. Copper deposits of Clifton-Morenei district, Arizona...Ulrich. * Folios: No. 120. Silverton quadrangle, Colorado, by Whitman Cross, Ernest Howe, and F. L. Ransome |
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