 | | Report (volume) | | Economic Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I...Geology of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH...___________ Mines and prospects in the Idaho Springs district ________________ Previous studies.____..._________ __________________________________ Sphalerite. _________.__ -_______---_-_-____________'___-_--Galena...are in pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...(Stop 533), Rm. 3128. 345 Middlefield Rd. RESTON, Virginia-503 National Center, Rm. 1C402,12201 Sunrise Valley...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Replacement Deposits Part I Bald Mountain Gold Mining Region, Northern Black Hills, South Dakota By JAMES...Park City Mining District, Utah By CALVIN S. B ROM FIELD Gold in the Eureka Mining District, Nevada By |  | | Journal (article/letter/editorial) | | with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...Granville Stuart established Montana’s 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...Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University |  | | Report (issue) | | OF THE BOISE BASIN IDAHO BY CLYDE P. ROSS Prepared in cooperation with the IDAHO BUREAU OF MINES AND...Gold Hill.---_-_-----------------_-------------_-Mayflower..-._----------------_-----------------_-----.--___..._--__._-____.....__...____._.___.__..___ Mineral Mining Co__________________________________________ Missouri...the central and western parts of the Boise Basin, Idaho.__------_-------_-___-__-____-__---_-___-_. In pocket...mine________________________ 274 FIGURE 32. Index map of Idaho showing the location of the Boise Basin_ 240 33 |  | | Report (volume) | | OF BOISE BASIN, IDAHO BY ALFRED L. ANDERSON Prepared in cooperation with the IDAHO BUREAU OF MINES AND...________________-____--_-______---_---_--_------Idaho batholith and its facies (Mesozoic)......---.--------------Quartz..._______________________ Rocks younger than the Idaho batholith-________________________ Early Tertiary...-'__-_-.---_-.________.___________--__-.._ 265 Mayflower raine__._-_------_---_--__________---____----...relations.--__-________________.________ 267 Mayflower lode..____-___!..______________________..-__ 268 |  | | Report (issue) | | Report for the Abandoned and Inactive Mines in Idaho on U.S. Forest Service Lands (Region 4), Boise National...Counties, Idaho (Selected Properties) Field Inspection by: Dave Leppert Mike Berwick Virginia S. Gillerman...Leppert Mike Berwick Virginia S. Gillerman Staff Report 07-4 January 2007 Idaho Geological Survey Morrill...Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014 Site Inspection Report for the...the Abandoned and Inactive Mines in Idaho on U.S. Forest Service Lands (Region 4), Boise National Forest: |  | | Report (volume) | | GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO BY JOSEPH B. UMPLEBY, LEWIS G. WESTGATE AND CLYDE...D. F. HEWETT Prepared in cooperation with the Idaho Bureau of Mines and Geology Francis A. Thomson,.....______.__________-_--__--_--_.____--._ Trail Creek formation.....___..._ __.______.--. General features...Granodiorite and related rocks on upper Wildhorse Creek __ Massive granodiorite________-------__-----________...monzonite on Deer Creek-__-------_----____-___ Soda granite on Warm Springs Creek..__________________ |  | | Report (volume) | | SURVEY GEORGE OTIS SMITH, DIRECTOR BuiiIiETIN 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND................................................. Mining districts...................................................................................... Mining development. ...................... .. - - ' -..................................... 18 Placer mining....... ~................................................................ 20 Present status of mining .....:........................................ |  | | 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 . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | Ore Deposits of the· Kokomo-Tenmile District, Colorado By M. H. BERGENDAHL and A. H. KOSCHMANN . I...PAPER 652 Prepared in cooperation with the Colorado Mining Industrial Development Board .. 1\ UNITED...Carbonate veins ___________________________ _ Pyrite-sphalerite-galena veins ________________ _ Ore bodies--...Page PLATE 1. Geologic map of Kokomo-Tenmile district------------------------------------------------------...pocket FIGURE 1. Index map of Kokomo-Tenmile district ___________________________________________________________ |  | | 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 -- |  | | Journal (article/letter/editorial) | | sample from deep in the Cresson Mine, Cripple Creek, Colorado, analyzed by Unger (2008), contained 693 ppm...Rose, Buena, and Golden Age Mines) of Jamestown, Colorado, contained similar concentrations of Au, Mo, and...minerals, and the reevaluation of many historic mining districts that took place in the latter half of...Cripple Creek 3, 4 28. Rosita Hills 3 29. Ortiz 3, 4 30. Central City 3, 4 31. Boulder County 3,...Golden Sunlight 3, 4 34. Zortman-Landusky 35. Mayflower 36. Judith Mountains 37. Kendall 38. Fairview |  | | Report (issue) | | designate the papers for advance publication] (A) Some mining districts of eastern Oregon, by James Gilluly,...deposits of the Takilma-Waldo district, Oreg., including the Blue Creek district, by Philip J. Shenon________...Shenon________ (C) The Climax molybdenum deposit, Colorado, by B. S. Butler and J. W. Vanderwilt, with a section...deposits in the northwestern part of the Boise Basin, Idaho, by Clyde P. Ross_________________________ Inde...ILLUSTRATIONS PLATE 1. Index map showing location of mining districts in eastern Oregon. 8 2. Topographic and |  | | Report (issue) | | and Duncan mining districts, Grant and Hidalgo Counties, New Mexico, and Greenlee County, Arizona By...imply endorsement by the U.S. Government. Denver, Colorado CONTENTS Page Location......................... Mining districts, mines, and mineralization............................. Steeple Rock district....... Bitter Creek subdistrict........................................... Twin Peaks-Mayflower subdistrict...subdistrict................................... Duncan district............................................... |  | | Report (issue) | | Deposits of the. South Silverton Mining Area, San Juan County, Colorado GEOLOGICAL SURVEY PROFESSIONAL...Prepared in cooperation with the Colorado Metal Mining Fund and the Colorado Geological Survey Board QE 75...378-A 1963 Lii Buresietidt latitioq Denver, Colorado c-1 cE U. S. Geological Survey. 75u Professional...Silverton Mining Area, San Juan County, Colorado By DAVID J. VARNES SOUTH SILVERTON MINING AREA, SAN...SAN JUAN COUNTY, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 378-A Prepared in cooperation with the |  | | Report (volume) | | and East Calhoun Mines Central City District Gilpin County, Colorado GEOLOGICAL SURVEY BULLETIN 7 his...City District Gilpin County, Colorado By AVERY A. DRAKE, JR. GEOLOGY AND ORE DEPOSITS OF CLEAR CREEK...CREEK, GILPIN, AND LARIMER COUNTIES, COLORADO GEOLOGICAL SURVEY BULLETIN 1032-C This report concerns..._____________________________________________ Sphalerite.-__-_____-________________-___-_--_-_-_----____...______________________________ 5. Analyses of sphalerite, Calhoun and Wood veins.__________ 6. Some chemical |  | | Report (volume) | | Deposits Of the Lawson-DumontFall River District Clear Creek County Colorado By C. C. HAWLEY and FRANK BAKER...of the district which forms the northwestern part of the important Central City-Idaho Springs mineralized...~arcasite________________________________________ Sphalerite _____ -------____________________________ Ch...veins___________________________________________ Galena-sphalerite veins_____________________________________ Hypogene...section of the Lawson-Dumont-Fall River district, Clear County, Colo. 2. ~ap showing major faults (veins) |  | | Report (issue) | | GEOLCX/Y AND ORE DEPOSITS OF UPPER MAYFLOWER GULCH SUMMIT COUNTY, COLORADO by John Alexander Randall June...Sotmtain ....... 4 j 4. Via* Looking Ho*t Dow« Mayflower Gulch To^rrf Kokoffio . * 4 5* Contact B«t9«««ji...sap of Opp»r Steyflowor Gulch, Snanit Coaaty. Colorado .................. pocket / 2. Stologle Sections...geology and ore deposits of upper Mayflower Gulch Summit County, Colorado by John Alexander Randall Abstract...side of the Tenmile Range near Kokomo in central Colorado. Somewhat less than $500,000 in silver and gold |  | | Report (issue) | | Nines and Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions and Kapa...Energy Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front...From 1859, when placer gold was discovered in Idaho Springs and lode gold in Central City, through 1959...from a 50-square-mile area that includes the Idaho Springs and adjacent districts to the north, west, and...and southwest. The adjacent Central City district, which produced ores valued at more than $100 million |  | | Book (volume) | | beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles...outcropsRose Quartz; S along US 385 for 32 mi. to Hot Springs in Fall River Co., all regional side rds., look |  | | Journal (article/letter/editorial) | | Photographs JanuarylFebruary: Copper, Ray, Pinal County, Arizona. Les Presmyk specimen, Jeff Scovil photo...quartz and albite, Tourmaline Queen mine, San Diego County, California. Houston Museum of Natural Science...claims, Farncomb Hill, Breckenridge district, Summit County, Colorado. Denver Museum of Natural History...malachite ring, Flambeau mine, Ladysmith, Rusk County, Wisconsin. Dan Behnke specimen and photo. NovemberDecember:...calcite, and chalcopyrite, Sweetwater mine, Reynolds County, Missouri. Marvin Rausch specimen, Jeff Scovil |  | | Book (volume) | | ae TONITE TN263. Au. =American Institute of Mining, Metallurgical, V.2 and Petroleum Engineers Ore...Inst! itute i an Americ ie Lye 2 of llurgical, Mining, Meta m Engineers and Petroleu © f the Ore deposiits...AND ZINC (1936) 134, MILLING METHODs 141, METAL MINING (1939) (1937-40) BLAST FURNACE, COKE OVEN AND...AIME TRANSACTIONS VOLUME 178, MINING GEOLOGY AIME TRANSACTIONS 181, MINING, INDUSTRIAL MINERALS, EDUCATION...I! Published by : : The American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. NEW |  | | Report (issue) | | .............. Mayflower mine.............................................. Virginia City and the Alder........ Odell Creek................................................. Silver Star district................(Rabbit) district................................. Moose town (Moose Creek) and Fish Creek (Highland)...French Creek................................................ Dyce Creek, the Argenta district, and the...the Bannack district............................................... Summary and Conclusions ......... |  | | Report (issue) | | Coeur d'Alene mining district, Shoshone County, Idaho consists principally of galena-sphalerite- and tetrahedrite-veins...The district has produced in excess of 31,000 metric tons of silver, more than any other mining district...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...press). Polymetallic veins in the Coeur d'Alene district are hosted by several clastic units of the Proterozoic |  | | 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 |
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