 | | Report (issue) | | oresofo0000kell Telluride Ores of Boulder County, Colorado The Memoir Series of The Geological...America, Inc. Memoir 109 Telluride Ores of Boulder County, Colorado WILLIAM C. KELLY EpwINn N. GODDARD Department...SOCIETY OF AMERICA, INC. Colorado Building, P.O. Box 1719 Boulder, Colorado 80302 Printed in the United...assembling a representative collection of the Boulder ores. Dr. T. S. Lovering of the U.S. Geological...and numerous ore samples were donated by local mining men, particularly Fred Dopp, H. M. Williamson, |  | Fornadel, Andrew P., Spry, Paul G., Haghnegahdar, Mojhgan A., Schauble, Edwin A., Jackson, Simon E., Mills, Stuart J. (2017) Stable Te isotope fractionation in tellurium-bearing minerals from precious metal hydrothermal ore deposits. Geochimica et Cosmochimica Acta, 202. 215-230 doi:10.1016/j.gca.2016.12.025 | Journal (article/letter/editorial) | | krennerite) and (Au,Ag)2Te 9 minerals (i.e., petzite, hessite). In general, 10 130/125 Te fractionations as...epithermal gold deposits showing a narrower 27 range of isotope values than those in orogenic gold and volcanogenic...ore deposits, including epithermal and orogenic gold deposits (e.g., Cook et 17 al., 2009). Therefore...and Manuel, 1973). Orogenic and 26 epithermal gold deposits, both of which are commonly associated...the metallogeny of 23 epithermal and orogenic gold telluride-bearing deposits and, indirectly, the |  | | Report (issue) | | X-ray Powder Pattern: Empress Josephine mine, Colorado, USA. 2.70 (100), 2.23 (80), 3.81 (60), 3.33 (60)...100.7 100.1 100.00 (1) Empress Josephine mine, Colorado, USA; average of two analyses, corresponding to...low-temperature gold-poor hydrothermal vein deposits. Association: Tellurium, sylvanite, petzite, hessite, rickardite...(Empress Josephine mine, Colorado, USA); pyrite, rodalquilarite (Tombstone, Arizona, USA); gold, tellurium,... hessite, petzite, rickardite (Pitman, Canada). Distribution: In the USA, in Colorado, from the Empress |  | | Journal (article/letter/editorial) | | International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very...played out on a daily basis in opening the Colorado mining frontier, however, are very much the stuff...generation had seen an Colorado showing the Colorado mineral belt and the location of the mining districts discussed...for several generations. That word of Pikes Peak gold began to circulate, a quick and easy story, with...scope of this mining economy. There simply was no other ecoThe initial Front Range-area gold discoveries |  | | Journal (article/letter/editorial) | | lineswithintheareabounded bycalaverite, sylvahite, Aรต5_xTea, hessite, and petzite ....................................1596 Limitationsin applyingthe experimental data to gold-silvertellurides... 1597 Natural occurrences of...indicatesa maximumtemperature for its formation. Hessite and petzite are each characterizedby three polymorphs...extends to a compositionabout sevenweight percentmore gold-rich than stoichiometric petzite. A new phase,the...systems. The physicalconditionsof formationfor the gold-silvertelluridesare examinedin detail in the presentstudy |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Report (issue) | | . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Plata meaning โgold and silver,โ and the state seal with its representation of mining tools clearly proclaim...proclaim Montanaโs mining origins. Montanaโs production of copper, coal, gold, lead, manganese, phosphate...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...Granville Stuart established Montanaโs first mining camp at Gold Creek in 1860. Geologic Provinces The state...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted |  | | Journal (issue) | | White Development Officer William D. Panczner GOLD! Associate Editors written content Paul E. Desautels...Weber Mamaroneck, N.Y. Articles Collecting gold mining memorabilia....................................323 by W. E. Wilson and R. Bentley Nova Scotian gold ..................................................Mossman The Colorado Quartz mine, Mariposa County, California: a modem source of crystallized gold ........... 347 by A. R. Kampf and P. C. Keller Harvard gold ............................................... |  | | Journal (article/letter/editorial) | | Although perhaps best known for its wire and leaf gold, smoky quark, and turquoise specimens, New Mexico...microprobe, etc.) Because New Mexico is a mining state, mining districts are given whenever possible in...2015 Bernalillo County Cerro Colorado, W. of Albuquerque: carnotite. Placitas district (Sandia Mountains)...schorl. Tijeras Canyon district (Manzano Mountains), E. of Albuquerque. Galena King mine: barite, fluorite...subdistrict (Seiiora de 10s Milagros mine): copper, cuprite, malachite. Catron County Apache Creek, N. of Reserve: |  | | Report (issue) | | here are data on sulfide and nonsulfide mineralogy, gold and silver grades and deposit tonnage. A discussion...name, country, local geographical area, mineralogy, gold and silver grades, tonnage, and references are given...deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...1980)). These deposits are primarily worked for gold. Silver is a minor byproduct; about 14 percent of...infrequently, the disseminated ore was a major source of gold. DEFINITION OF DEPOSIT Definition of deposits as |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street โข Dallas, TX 75207 Sunday...52001-52306 LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street โข Dallas, TX 75207 Wednesday...directly from the miners at the Elmwood Mine in Tennessee, when the mine was actively producing twenty years... 52002 SZENICSITE with POWELLITE Jardinera No. 1 Mine, Inca de Oro, Chaรฑaral Province, Atacama Region...mineral came from one pocket in the Jardinera No. 1 Mine. That find was roughly one cubic meter in volume |  | | Report (issue) | | association with silver and gold at the Jewel and other mines in the Greenwood Mining Division (R. Bell , 1902-3:...masses and crysta l s in vugs at the Highland Bell Mine , Wallace Mountain , n ear Beaverdell , 23 miles...3 Argentite has b een found at the Silver King Mine , Toad Mountain, about 5 miles south of Nelson (G...Surv . Can ., Ann. Rept. , IX, 27A). At the Slocan mining camp , argentite is present as a primary min eral...supergene mineral replacing galena at the Hewitt Mine, and as films associ ated w ith nativ e silver coating |  | | Report (issue) | | โข . โข โข . โข . . โข . . . . โข . Baldwin (Kelmac) Mine . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . Swastika (Crescent) Mine . . . . . . . . . . . . . . . โข . . . โข โข . . ....(Golden Gate) Mine . . . . . . . โข โข . . . โข . โข . . . . โข . . . . . โข . . . โข . . . . Adams Mine . . . . ... . . . . . โข . . . . Barry-Hollinger (Patricia) Mine . . . . โข . . . โข . โข โข . . . . . . . . . . . ....(Yama) Mine . . . . . . . . . โข . โข . โข . โข . . โข . . . . . . โข . . . โข โข . โข . โข . . Macassa Mine . . |  | | Journal (article/letter/editorial) | | to collectors. Many specimens were produced when mining districts were active in the late 1800s through...districts mentioned below, most historically active mining districts in the state have been inactive for decades...exploration activity occurs on an irregular basis. Beaver County MINERAL COLLECTING IN THE STATE of Utah has undergone...article does not give permis- Lincoln district: The Creole mine, located at the south end of the Mineral...and Milford, has BOX ELDER x Lun'n TOOELE x Gold Hill Topaz Mtn. x NAB X Philip Richardson is a |  | | Journal (article/letter/editorial) | | Telluride mineralization at Ashanti gold mine, Ghana R. J. BOWELL, R. P. FOSTER Department of Geology...Road, London SW7 5BD Abstract Gold mineralization at the Ashanti Mine occurs in shear zones which are...components of a major transcrustal shear zone. However, gold-rich telluride mineralization in veins in the hangingwall...appears to have post-dated development of the major gold-bearing shear zone. Complex assemblages of goethite...calaverite, sylvanite, kostovite, petzite, stutzite, hessite, altaite, rickardite, weissite and henryite were |  | | Report (issue) | | Principal Gold-Producing Districts of the United States By A. H. KOSCHMANN and M. H. BERGENDAHL GEOLOGICAL...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 ----------~-----------------ยญ Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee |  | | Journal (issue) | | scepter with pyrite, 7 cm, from Spruce Ridge, King County, Washington; Rick Dillhoff collection; Jeff Scovil...Acanthite with silver, 2.6 cm, from the Uchucchacua mine, Peru; Allan Young collection and photo. Amethyst...Forsterite, 2 cm, from St. Johnโs Island, Egypt. Ray Hill collection; Michael Bainbridge photo. Topaz, 4 cm...Ron Zeilstra collection; Michael Bainbridge photo. Gold, 1.2 cm, from Ikabaru, Bolivar, Venezuela; Tom Cooper...Sean Finneson (WA) Greg & Nancy Hendricks (OR) Ray Hill (WA) Alex Homenuke (BC) Bob Jackson (WA) Dave Leppert |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright ยฉ 2004 by University of Nevada Press Photographs...copyright ยฉ 2004 unless otherwise noted Map of Mining Districts and significant mineral occurrences of...Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph...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) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | Report (volume) | | Cover illustration Beryl crystal in quartz, Lacorne mine. The crystal is 39 mm long and 18 mm wide. National...KGS 2359J Molybdenite crystal in quartz, Moly Hill mine. The crystal is 33 mm across. National Mineral...Baldwin (Kelmac) mine Swastika (Crescent Kirkland) mine Lucky Cross (Golden Gate) mine Adams mine Boston molybdenite...Boston Creek gold mine Barry-Hollinger (Patricia) mine Boston-McRae mine Planet Gold mine Miller Independence...Independence mine Kennedy-Boston mine Cathroy Larder (Yama) mine Macassa mine Kirkland Lake gold mine Teck-Hughes |  | | Report (issue) | | Australia, it is often necessary to christen a new mining field, and to assign names to its creeks, gullies...north-west of C.โ; A, B, and C may all be in the same district, but it is sometimes difficult or impossible to...โ โLeigh Creek,โ โAvondale Mineโ; all these are in the Leigh Creek District, and there may be but one...Zmc-lead Salphide Deposits of the Read-Rosebery District. Bull. Geol. Surv, Tas., 23, 1915. .Jensen (H...205, 209, 213.] (E. C.) Report on the Hillgrove Gold-field. Dept. Mines Hi S. Wales, Mineral Resources |  | | Report (issue) | | the. Leadville, Colorado, mining district. Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...Union syncline___ __________________________ Empire Hill syncline_ _-____-_-__--------_-__ Sheridan transverse...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. ___________________ |  | | Journal (issue) | | faces. 2ยพ x 1 ยผ .. . 5.00 WULF EN ITE, Red Cloud Mine. Fine brilliant orange- red xi. 1" . ..... . 2 ....... 903 JASPER NEAR MILTON, VERMONT. By Robert Rex ...................................... 910 ALASKAITE......... 913 CRYSTALLINE QUARTZ OCCURRENCE NEAR BOULDER CITY, J\ USSOURI. By T. A. Pa11e,rso11 ..........ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท 919 SilVERTON, COLORADO, MINERALS. By Karl Httdson .......................... 922 SO~fETHING NEW IN FULGURJTES. By Jeff Hill .......................................... 923 IRIDESCENT |  | | Journal (issue) | | paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California ...............25046, M .S. 905 Denver Federal Center Denver, Colorado 80225 In recent decades the science of mineralogy...recently published by Consumer Reports (Box 53009, Boulder, CO 80321-3009; $18 per year) in their November... 905 Box 25046 Denver Federal Center, Denver, Colorado 80225 Louis B. Spaulding, Jr. P. O. Box 807, Ramona...plus an interesting range o f rare species. The mine, first opened in 1903, continues to produce fine |
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Rex Mine, Gold Hill Mining District, Boulder County, Colorado, USA