 | | Journal (article/letter/editorial) | | 1038-1049 GeochemicalStudiesin the Park City District: II. SulfideMineralogyand Minor-Element Chemistry...Fissure-fillingand replacementPb-Zn-Cu-Au-Ag ores of the Mayflower mine occurin calcareoussedimentaryand intrusive...of 3,000 feet. The ores are exceptionalin the district for their chalcopyriteand gold content and for...fugacitiesare indicatedfor many stagesof mineralization. Sphalerite compositionsare highly variable in the range...consistentwhereasthe fractionationof Mn between sphalerite and galena is variable; calculatedtemperaturesof |  | | Report (issue) | | Center, Rm. 1C402,12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105,125 South State...Park City Mining District, Utah By CALVIN S. B ROM FIELD Gold in the Eureka Mining District, Nevada By DANIEL...THOMAS B. NOLAN Gold in the Central City Mining District, Colorado By ALAN R. WALLACE U.S. GEOLOGICAL...City mining district, Utah / by Calvin S. Bromfield. Gold in the Eureka mining district, Nevada / by...Thomas B. Nolan. Gold in the Central City mining district, Colorado / by Alan R. Wallace. I. Gold ores West |  | | Journal (article/letter/editorial) | | Figure 1. Postcard view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS...igneous, and metamorphic rocks of many types. This area of the state contains skarns, pegmatites, and metallic...are found. As the fourth-largest state (with an area of 147,046 square miles and a population of less...at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal...pegmatites of Jefferson County, and the Snowbird mine in Mineral County continue to be productive sources |  | | Report (issue) | | of Igneous Rocks and Wall Rock Alteration, Mayflower Mine, Wasatch County, Utah Part 1: Primary Rock...map showing location of Mayflower mine and igneous rocks of the Park City district (geology after Baker...section of the Mayflower mine with geology projected on to the plane of the Mayflower vein. The contact...contact between Mayflower porphyry core and margin facies is gradational. (Modified from Quinlan and Simos...igneous rocks from the Mayflower mine... 4. Plan maps of levels of the Mayflower mine showing igneous rock |  | | Report (issue) | | mineral localities, with the minerals found at each mine or locality. Most mining districts and mineral localities...whole, along with those for which the specific area (mine, for instance) is not known. Other minerals,...particular part of a larger district or locality, are listed only under the area specified. BEAVER COUNTY...Antelope District (Mineral Range). Beaver Lake District (Beaver Lake Mountains). Bradshaw District (Mineral...(Mineral Range). Fortuna District (Tushar Mountains). Gordon District (Tushar Mountains). Granite and North |  | | Report (issue) | | 5958(17) Z=3 X-ray Powder Pattern: Camsell River area, Canada. 2.827 (100), 3.302 (80), 1.966 (60), 2.029...corresponds to Ag0.99 Bi0.97 S2.00 . (2) Camsell River area, Canada; by electron microprobe, corresponds to Ag0...chalcopyrite, sphalerite, arsenopyrite, tetrahedrite. Distribution: From the Matilda mine, near Morococha...the USA, at the Mayflower mine, Boise basin area, Ada Co., Idaho; in the Darwin mine, Inyo Co., California;...California; in Colorado, near Lake City, Hinsdale Co., in the Revell #1 mine, north of Silver Cliff, Custer |  | | Report (issue) | | Ore Deposits of the· Kokomo-Tenmile District, Colorado By M. H. BERGENDAHL and A. H. KOSCHMANN . I...Carbonate veins ___________________________ _ Pyrite-sphalerite-galena veins ________________ _ Ore bodies--...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________...Consolidated mine, Eldorado and Wilson mines, Felicia Grace mine, and Champion (New York) mine----------...Page PLATE 1. Geologic map of Kokomo-Tenmile district------------------------------------------------------ |  | | Journal (article/letter/editorial) | | pp. 34-51 GeochemicalStudiesin the Park City District' I' Ore Fluids in the MayflowerMine * j. THOMASNASIt...THOMASNASIt Abstract Ore bodies in the Mayflower mine, Park City district, Utah, are localized along a normal...paragenesisof three major recognizedveins in the mine is nearly the same, consisting of early quartz...hematite,and pyrite q- chalcopyrite,followed by sphalerite and galena,grading into pyrite q- chalcopyriteq-...chalcopyrite. Deep, early veins outsideof the Mayflower ore zone are characterizedby quartz, K-feldspar |  | | Report (volume) | | _______________,____________.:___________- Tertiary lake beds and volcanics (lower Miocene) ^ 149 150 __________...- 154 Columbia River basalt (middle or upper Miocene)__--_____ 154 Snake River basalt (Quaternary)...-__ Pre-Golumbia River basalt unconformity.__________-_-------_ Post-Columbia River basalt uplift.___...mine___-____-__-_----_--_-------_---__---___-230 Mascot mine--__----_-_-_----------------------.-_----_--- ....prospect____________---__--__--------_--_-,.-_-___ 233 Eureka mine-______________-----__--_^____________________ 233 |  | | Report (volume) | | Economic Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=)...1208 * Economic Geology of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________..._________ __________________________________ Sphalerite. _________.__ -_______---_-_-____________'___-_--Galena...in pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |  | | Report (issue) | | Ege Headframe of Centennial Eureka mine, Tintic mining district. ISBN 1-55791-726-4 MISCELLANEOUS...SURVEY contact 1594 W. North Temple, Suite 3110 Salt Lake City, UT 84116 telephone: 801-537-3300 website:... 1594 West North Temple #3710, Box 145610, Salt Lake City, UT 84116-5610 or Equal Employment Opportunity.... . . . . . . . . . . . . .1 What is a mining district? . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . .16 Mountain Lake . . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | Energy, Mines and Resources Canada E:nergie, Mines et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES...OUR IDEAS COVER Left: Amethyst - Thunder Bay, Ontario. Specimen measures 4.5 cm across the base. National...50263. GSC 204977-1 Right: Gypsum (selenite) - Red River Floodway, Winnipeg, Manitoba. Specimen measures...no. 17206. GSC 204971-1 Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR... © Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents |  | | Report (issue) | | 439 Z=4 X-ray Powder Pattern: Kirkland Lake, Ontario, Canada. 3.23 (100), 2.29 (80), 1.443 (50), 1.314...00 100.2 100.00 (1) Red Cloud mine, Colorado, USA. (2) Campbell mine, Bisbee, Arizona, USA; by electron...sylvanite, petzite, calaverite, arsenopyrite, sphalerite, chalcopyrite, jamesonite, boulangerite, bournonite...list. Selected localities are: in the Zavodinskii mine, near Ziryanovsk, Altai Mountains, Kazakhstan [TL]...mines in the Kirkland Lake area, Ontario, Canada. In the USA, in the Foote mine, Kings Mountain, Cleveland |  | | Report (issue) | | and Ore Deposits of the. South Silverton Mining Area, San Juan County, Colorado GEOLOGICAL SURVEY PROFESSIONAL...Silverton Mining Area, San Juan County, Colorado By DAVID J. VARNES SOUTH SILVERTON MINING AREA, SAN JUAN...group u 41 Titusville (Letter G) vein u 42 Silver Lake vein u 44 Royal Tiger vein u Shenandoah-Dives vein...Diagonal groupu 46 Scranton City vein u 46 Silver Lake footwall veinsu Giant and Diagonal veins of Littleu...Geologic map and sections of the South Silverton mining area. 2. Map showing principal mining workings. 3. Vertical |  | | Report (issue) | | Gold Hill.---_-_-----------------_-------------_-Mayflower..-._----------------_-----------------_-----.--___...------------_.-_____-_--_.___-______-_Future of the area._______________________________________________...the Quartzburg area, Boise Basin. ___________ 242 41. A, Dacite porphyry, Gold Hill mine; B, Rhyolite porphyry...porphyry, Gold Hill mine; C, Granite porphyry, Belshazzar mine. ._ __ _ 250 42. Granophyre porphyry....______________ 250 43. Composite level map of the Gold Hill mine.______________ In pocket 44. Geologic maps of the |  | | Report (issue) | | tellurium-bearing precious metal veins. Mineral Group: Sphalerite group. Association: Altaite, calaverite, krennerite...krennerite, petzite, gold, pyrite, chalcopyrite, sphalerite, galena, pyrrhotite, tetrahedrite–tennantite...Colorado, at the Good Hope mine, Vulcan, Gunnison Co.; in the La Plata district, La Plata Co.; and at the...the Cresson mine, Cripple Creek district, Teller Co.; in California, at the Norwegian mine, near Tuttletown...Jamestown mine, Tuolumne Co.; in Nevada, at the Twin Creeks and Getchell mines, Potosi district, Humboldt |  | | Report (issue) | | pyrite, arsenopyrite, tetrahedrite, tennantite, sphalerite, stibnite, other sulfides. Distribution: In the...Hill district, Calaveras Co.; at the Spotted Horse mine, Maiden, Fergus Co., and the Mayflower mine, Tobacco...examples in the Cripple Creek district, Teller Co.; the Central City district, Gilpin Co.; Gold Hill, Boulder...the San Francisco mine, 145 km north of Hermosillo, Sonora, Mexico. At the El Indio mine, east of La Serena...in the Kirkland Lake area, and in the Hemlo gold deposit, Thunder Bay district, Ontario; and the Robb-Montbray |  | | Report (issue) | | mineralization............................. Steeple Rock district................................................... Twin Peaks-Mayflower subdistrict................................... Duncan district.................metals between 1932 and 1957 in the Steeple Rock district, Grant County, New Mexico............. Semiquantitative...and the 15' Canador Peak quadrangle. The mapped area is largely within the Summit Mountains but extends...extends as far south as the Lower Box of the Gila River. This region is within the southwestern part of the |  | | Report (volume) | | Bulletin 814 GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO BY JOSEPH B. UMPLEBY, LEWIS G. WESTGATE...--Age.. ___-...--_-.._____..__.--________ Wood River formation (Pennsylvanian)________________ Distribution...----------------------------------.Quartz monzonite on Big Lost River._--__----__________ Quartz monzonite on Deer Cr..._________________________________ Deposits near Big Lost River.._____________________________ .Deposits near the...-___-_..__.__'_______________________ Utah-Bellevue mine------------._-_-______________________ Penobscot |  | | Journal (article/letter/editorial) | | RELATED TO POSSIBLE LARAMIDE NEAR ALTA, SALT LAKE COUNTY, UTAH LAURENCEP. JAMES Mining Geologist...minerals from the the Little Cottonwood(Alta) district, which centers Binghamporphyrycopperand the Park...in contact with Mississippian Eocene. The Argenta area, near Alta, is slightly limestones,thick bodiesof...BarnesandSimos(1968),Erickson (1968), andJames(1979). In this area,the mineable depositsgenerally are clustered around...stocks,and ARIZONA FIG. 1. Locationof the Alta area, Utah. The Big Cottonwood the latter body containsa |  | | Report (issue) | | deposits of the Takilma-Waldo district, Oreg., including the Blue Creek district, by Philip J. Shenon________...Topographic and geologic map of the Mormon Basin mining district, Baker and Malheur Counties, Oreg _ 32 3. Geologic...Co., East Eagle district, Oreg _ 72 4. Topographic and geologic map of Virtue district, Baker County,...Sketch map of mill-tunnel level of Virtue mine, Virtue district, Oreg__________________________________...Composite plan and section of Flagstaff mine, Virtue district, Oreg___________________________ __ '72 |  | | Report (issue) | | 38 c = 8.45 Z=7 X-ray Powder Pattern: May Day mine, Colorado, USA. 2.16 (100b), 2.55 (80b), 3.03 (70)...58.49 41.51 Total 99.7 99.1 100.00 (1) Red Cloud mine, Colorado, USA; by electron microprobe, corresponding...petzite, empressite, tellurium, gold, galena, sphalerite, colusite, tetrahedrite–tennantite, pyrite. Distribution:...On Temagami Island, Lake Temagami, Ontario; and at Lindquist Lake, Quebec, Canada. In the USA, in Colorado...at the May Day mine, La Plata district, La Plata Co.; from the Golden Fleece mines, Lake City, Hinsdale |  | | Report (issue) | | Forest: Boise Basin, Lowman, and Middle Fork of Boise River Areas, Boise, Ada, and Elmore Counties, Idaho (Selected...Forest: Boise Basin, Lowman, and Middle Fork of Boise River Areas, Boise, Ada, and Elmore Counties, Idaho (Selected................................... 8 1.4.1.2 Acid Mine Drainage ........................................... 24 2.2 Organization of the Boise Basin Study Area ..................................................Characteristics of the Ore and Relationship to Acid Mine Drainage ...................................... |  | | Report (issue) | | 77 GEOLOGY AND ORE DEPOSITS OF THE PARK CITY DISTRICT, UTAH BY JOHN J\IIASON BOUTWELL WITH CO)l"TRIB"CTIO)JS......................... . History of Park City district ................. , ............................:::::::::::::::::::::::::::::::::::·::::::::::: Mine workings ............... _·_............ . ............. . Descriptive geology of the Park City district ................................................ CONTENTS. Descriptive geology of the Park City district-Continued. Page. Sedimentary rocks-Continued. |  | | Report (issue) | | d'Alene mining district, Shoshone County, Idaho consists principally of galena-sphalerite- and tetrahedrite-veins...gold, cadmium, and cobalt since the 1880s. The district has produced in excess of 31,000 metric tons of...of silver, more than any other mining district in the world except perhaps Cerro Rico de Potosi, Bolivia...considered to be a distinct type unique to the district. The U.S. Geological Survey (USGS) has not attempted...undiscovered resources of these metals in the district, or in other regions favorable for the discovery |
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