 | | Report (issue) | | Economic Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE, ]R....Economic geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A. Drake,. Jr...Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central City...City district. 2. Ore-deposits-Colorado-Central City district. 3. Mines and mineral re. sources-Colorado-Central...sources-Colorado-Central City district. I. Drake, Avery Ala, 1927joint author. II. Tooker, Edwin Wilson, 1923- joint |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John |  | | Journal (article/letter/editorial) | | International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very hard...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...1940; Elliot West 1997, verbal com.). scope of this mining economy. There simply was no other ecoThe initial...of 1858 were nomic force to compare with that of mining during the first all made along streams on the |  | | Book | | Gkologim-in-charge. CATALOGUE OF MINERALS FOUND IN COLORADO. BY • F. M. ENDLICH. [EXTRACTED FROM THE TENTH...been adopted. tar as practicable, analyses of Colorado minerals have been given. They will aid examination...of the catalogue. systematic enumeration of the Colorado mineral species and references to the publications...Endlich, S. IN COLORADO. X. D. The continuous development of mineral resources of Colorado is productive...Geological .Report for PS75. Now, the survey of Colorado is completed, many additions of species new to |  | Alford, Lee, Gysi, Alexander P., Hurtig, Nicole C., Monecke, Thomas, Pfaff, Katharina (2020) Porphyry-related polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry. Ore Geology Reviews, 119. 103295 doi:10.1016/j.oregeorev.2019.103295 | Journal (article/letter/editorial) | | polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element...polymetallic AuAg vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element...polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element...Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden...submitted to Ore Geology Reviews 1 ABSTRACT The Colorado Mineral Belt is a ~500 km long segment of calc-alkaline |  | | 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;... FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...eastern Russia. It also occurs in many localities in Colorado, where it is found in colors ranging from pale |  | | Journal (article/letter/editorial) | | August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...Rhodochrosite has also been found in many localities in Colorado, particularly in the mines of the San luan Mountains...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix...occurs in significant amounts in many mining districts of the Colorado mineral belt, a large, elongated,...extreme southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since |  | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |  | | Journal (article/letter/editorial) | | at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite specimens have been found...reported from numerous localities worldwide. Fine sphalerite specimens, for example, have been found at Elmwood...Elmwood, Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University of Nebraska...We1I-crystaIIized examples of sphalerite also occur at many localities in Colorado, in shades of amber, emerald-...marmatite), pink, or dark red (Eckel et al. 1997). Sphalerite crystallizes in the hextetrahedrat class of the |  | | Journal (article/letter/editorial) | | of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper....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 |  | | Journal (article/letter/editorial) | | edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado Are all things beautiful...orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado. Specimen is 2.5 cm across...deposits associated with chalcopyrite, tetrahedrite, sphalerite, galena, pyrite, calcite, and quartz, to name...Figure 2. 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 |  | | Journal (article/letter/editorial) | | Discovery, Mining History, Geology, and Specimen Mineralogy of Selected Occurrences in Central Colorado and...Inc. 1441 W. Forty-sixth Avenue Suite 14 Denver, Colorado 80211-2338 P art one of this article (July/August...of gold in Colorado and the mining history and geology/mineralogy of the Front Range mining districts...and California Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, 1860-1 990 (Davis...organized by S. S. Slater left the claimed-up Gregory diggings and by a tortuous route journeyed to the |  | | 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 |  | | Journal (article/letter/editorial) | | MUNTYAN 536 Third Avenue P.O. Box 495 Ouray, Colorado 81427 All photographs by John R. Muntyan of specimens...B ~i~~~~ 1. Mine along West willow Creek, near Creede and across from the Bachelor mine. Photo by author...the Rock Candy mine in British Columbia, Canada; and in the United States in Hardin County, Illinois, among...localities. Barite also occurs in many localities in Colorado, where it often forms attractive, wellcrystallized...wellcrystallized crystal groups. Colors reported for Colorado barite range from sky-blue to snowwhite to golden |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...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...THOMAS B. NOLAN Gold in the Central City Mining District, Colorado By ALAN R. WALLACE U.S. GEOLOGICAL SURVEY |  | | 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...Prof. William N. Rice, Middletown. Prof. H. E. Gregory, Sheffield Scientific School, New Haven. Delaware |  | | 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 -- |  | Plumlee, Geoffrey S., Streufert, Randall K., Smith, Kathleen S., Smith, Steven M., Wallace, Alan R., Toth, Margo I., Nash, J. Thomas, Robinson, Rob A., Ficklin, Walter H., Lee, Gregory K. (1995) Map showing potential metal-mine drainage hazards in Colorado, based on mineral-deposit geology. Open-File Report Vol. 1995 (95-26) US Geological Survey doi:10.3133/ofr9526 | Report (issue) | | Prepared by the U. S. Geological Survey and the Colorado Geological Survey in cooperation with the U. S...Central City Idaho Spr. Empire V 40° North Gilpin er Riv ue Bl lo Co Gold Hill Boulder Grand...Round Mountain Woodland Park Riverside Ri ve r Colorado Springs Trout Creek Crested Butte Free Gold...Ri Red Mtn. e Rico Rico Wet Mtns. Crestone Eureka Burrows Park d Rio Gran Calico Pk. W. Rico Rosita...fluorite, topaz; pyrite-rich intermediate zone; sphalerite, carbonates on fringes). Waters draining pyritemolybdenite |  | | Journal (article/letter/editorial) | | ORES OF GILPIN E•soN COUNTY, COLORADO. S. BASTIN. INTRODUCTION. An exhaustive report on the economic...geology of Gilpin County and adjacentportionsof Clear Creek and Bouldercounties, Colorado,'byEdsonS....The principalminingcentersare the following: Gilpin County ................................... ['Central...OF GILPIN COUNTY, COLORADO. 263 [Idaho Springs. /Gilson. -[Alice. [Dumont. Clear Creek County ......underlessdeep-seated conditions, ORES OF GILPIN COUNTY, COLORADO. 265 faulting took place. Someof the |  | | Report (issue) | | PRELIMINARY REPORT ON THE ECONOMIC GEOLOGY OF GILPIN COUNTY, COLORADO. By EDSON S. BASTIN and JAMES M. HiLL...following brief account of the economic geology of Gilpin County and adjacent portions of Clear Creek and Boulder...for information concerning this important mining district. The area considered lies 30 to 35 miles west...Kocky Mountains. It is the oldest lode-mining region in Colorado, and its discovery in 1859 was the occasion...The area includes the productive portions of Gilpin County and small adjacent parts of Boulder and Clear |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction...Pre-Cambrian deposits _________________________ _ Mine descriptions __________________________ _ 39 39...disseminations_ Cotopaxi mine _____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property |  | | Journal (article/letter/editorial) | | TELLURIDE-TUNGSTEN MAGNOLIA MINERALIZATION MINING ALBERT DISTRICT, OF THE COLORADO. S. WILKERSON. ABSTRACT. Two...Two systemsof fissuresin the Magnolia Mining district of BoulderCounty,Coloradoare occupiedby ore deposits--anorthwest...WILKERSON. LOCATION AND HISTORY. The Magnolia mining district lies four miles southwestof Boulder,Coloradoand...the northeastend of the Colorado mineral belt, which extends across the Colorado Front Range from Boulder...the World War. GENERAL GEOLOGY. The Magnolia district is almost entirely within the preCambriancomplexof |  | | Report (issue) | | AND CLAY MINERALOGY OF THE CHIEFTAIN MINE, DINOSAUR RIDGE, PATCH MINE, AND OTHER LOCALITIES ALONG THE FRONT...FRONT RANGE FROM DENVER TO BOULDER, COLORADO Clay Minerals Society 39th Annual Meeting and Field Trip...Geological Survey Open-File Report 02-413 Denver, Colorado 2002 U.S. DEPARTMENT OF THE INTERIOR GALE A........................ 11 The clay industry in Colorado ..................................... 13 Rubey..................................... 18 Chieftain mine ............................................... |  | | Journal (issue) | | - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines...curator The Dorris Family Nikolas Golosow Phil Gregory Larry & Kathy Havens Julie Hesse Tom Hughes Richard |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................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 |
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