Patton, Horace B. CGS Publications. CGS Publications. CGS Publications. MS-28 Location Map and Descriptions of Metal Occurrences in Colorado with Notes on Economic Potential. Metal, 1:500,000. CGS Publications. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 1996. https://doi.org/10.58783/cgs.of960424.zugt2401. Metals - Colorado Geological Survey CGS Publications. Denver, CO: Colorado Geological Survey, Department of Natural Resources, 1998. https://doi.org/10.58783/cgs.is44.ldyf9240. CGS Publications. Keller, John W., and H. Thomas Hemborg. "Newmont to acquire CC&V mine from Anglogold Ashanti,". CGS Publications. Boulder, CO: Colorado Geological Survey, May 1925. https://doi.org/10.58783/cgs.b31.mkbg4759. OLT - Orient Mine In the mid-19th century, Colorado Springs was a center of mining industry activity. CGS Publications. Other metals that have been mined in Colorado include copper, tin, vanadium, iron, beryllium, lithium, thorium, tantalum, and manganese. Information Series. Osgood's efforts slowed due to lack of capital and throughout the 1890s, Placita, Colorado, remained the Valley's largest mine. At its peak, the town of 900 people had a school, YMCA, tennis courts, stores and stables. IS-81 Colorado Mineral and Energy Industry Activities 2017-2018. Mineral and Energy Industry. Some of these materials were produced in greater quantities in Colorado than others including uranium, vanadium, and tungsten. Cappa, James A., Beth Widmann, Christopher J. Carroll, John W. Keller, and Genevieve Young. IS-41 Active Permitted Mine Operations in Colorado, 1995-96. Mining. McCalpin, James P., Jonathan A. Funk, and David Mendel. Worcester, P. G. Bulletin 21 The Geology of the Ward Region Boulder County. Geology. OF-02-23 Evaluation of Mineral and Mineral Fuel Potential of Weld County State Mineral Lands Administered by the Colorado State Land Board. Mineral and Mineral Fuel. Nationwide, coal mines account for almost 10 percent of all methane emissions. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 2005. https://doi.org/10.58783/cgs.is70.zlqt3743. In recent years, 2008 and 2009, the mine accounted for 5% of AngloGold Ashanti's worldwide production. The following properties currently listed on the National Register are formally linked to this multiple property submission. Information Series. At various times throughout its history, Colorado has been the leading U.S. producer of gold, silver, molybdenum, lead, zinc, uranium, and tungsten. Currently, silver is produced as a byproduct of gold mining at CC&V. Open File Reports. IS-69 Colorado Mineral and Mineral Fuel Activity, 2003. Mineral and Mineral Fuel. In 2019, the Climax and Henderson mines produced 12 and 17 million pounds of molybdenum, respectively. Open File Report. Colorado Cappa, James A., Genevieve Young, John W. Keller, Christopher J. Carroll, and Beth Widmann. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 1999. https://doi.org/10.58783/cgs.rs37.xdoz4005. OF-99-16 Evaluation of Mineral and Mineral Fuel Potential of NE Moffat County State Mineral Lands Administered by the Colorado State Land Board. Mineral and Mineral Fuel. These deposits are complex and are known as Climax-type porphyry molybdenum deposits. CGS Publications. Environmental Geology. Resource Series. As discussed in MS-28 Location Map and Descriptions of Metal Occurrences in Colorado, molybdenite was recognized as an ore of molybdenum early on in the states mining history but the commodity did not become important until World War I. OF-03-01 Evaluation of Mineral and Mineral Fuel Potential of Lincoln County State Mineral Lands Administered by the Colorado State Land Board. Mineral and Mineral Fuel. Denver, CO: State of Colorado Mineral Resources Board, 1960. https://doi.org/10.58783/cgs.mi03.nxat6769. CGS Publications. In Colorado, molybdenum is mined at the Climax and Henderson mines. AngloGold merged with junior partner Golden Cycle Gold Corporation in 2008 and thereby acquired the remaining 33% of the project. Mines in the Western United States - Western Mining History Open File Report. OF-99-01 Evaluation of Mineral and Mineral Fuel Potential of Phillips County State Mineral Lands Administered by the Colorado State Land Board. Mineral and Mineral Fuel. Emmons, Silver Creek, Urad, and Redwell Basin deposits. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, January 1999. https://doi.org/10.58783/cgs.of9901.ljwe8992. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, April 2001. https://doi.org/10.58783/cgs.of0109.scre7088. This 6.5 mile long tunnel drained the district down to 3,000 feet. Boulder, CO: Colorado State Geological Survey, 1913. https://doi.org/10.58783/cgs.b06.btiv3956. CGS Publications. [10][18], The mine is a low-cost, low-yield open pit operation, with grades well below one gram of gold per tonne of ore. MS-29 Map Showing Potential Metal-Mine Drainage Hazards in Colorado, Based on Mineral-Deposit Geology. Metal-Mine Drainage Hazards, 1:750,000. ON-007-08D Historic Metal Mining Districts of Colorado (Data) V20201112. Mining, (variable) online map. 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https://coloradogeologicalsurvey.org/publications/first-report-1908/, https://coloradogeologicalsurvey.org/publications/geology-mining-leadville-colorado, ON-007-08D Historic Metal Mining Districts of Colorado, ON-007-08M Historic Metal Mining Districts of Colorado, more information on mineral deposit models, Russell L. and Lyn Wood Mining History Archive, Colorado School of Mines Museum of Earth Science. CGS Publications. Bulletin. The August 10-13 Contin-Tail Rock & Mineral Show in Buena Vista is Colorado's biggest outdoor show, drawing over 100 vendors. Are there still active mines in Colorado? At the bottom of the Cresson Pipe pit. Bulletin. OF-12-06 Leadville South Quadrangle Geologic Map, Lake County, Colorado. Geologic, 1:24,000. O. W. Walvoord, Inc. MI-06 Chemical Refining Study of Base and Precious Metal Ore in Colorado. Metal Ores. A party of prospectors discovered placer gold in stream gravel at what is now downtown Denver, near the confluence of the Cherry Creek and South Platte Rivers (Auraria). Neubert, John T., and Robert H. Wood II. The Rich Silver Mines of Aspen, Colorado - RareGoldNuggets.com Bulletin. Silver mining in Colorado - Wikipedia Information Series. TerBest, Harry, and H. Thomas Hemborg. Open File Report. Notice the stope tunnel on the next bench up, and in the middle. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 2000. https://doi.org/10.58783/cgs.of0011.bwnd1643. OF-01-14 History, Geology, and Environmental Setting of the Griffin and Wilkesbarre Mines, Pike/San Isabel National Forest, Lake County, Colorado. Mine Site History. Cappa, James A., Genevieve Young, James R. Burnell, Christopher J. Carroll, and Beth Widmann. Open File Reports. Telluride Colorado - Western Mining History Miscellaneous Investigations. Open File Report. The Mining Industry in Colorado | History Colorado OF-99-15 Evaluation of Mineral and Mineral Fuel Potential of Park County State Mineral Lands Administered by the Colorado State Land Board. Mineral and Mineral Fuel. George, R. D., Horace B. Patton, Arthur J. Hoskin, and G. Montague Butler. Cappa, James A., Carol M. Tremain, and H. Thomas Hemborg. Denver, CO: State of Colorado, Mining Industrial Development Board, June 1965. https://doi.org/10.58783/cgs.mi06.nckt5059. CGS Publications. Open File Report. CGS Publications. Golden, CO: Colorado Geological Survey, September 2022. https://doi.org/10.58783/cgs.is84.vcma9638. First operated in 1903, the mine was soon connected to the nearby markets at Paonia, Hotchkiss, Cedaredge, and Delta when the Denver and Rio Grande Railroad built up the North Fork of the Gunnison River valley. Bulletin 09 Geology of Ore Deposits of the Bonanza District, Saguache County, Colorado. Geologic. [2][3][4][5] It was owned and operated by AngloGold Ashanti through its subsidiary, the Cripple Creek & Victor Gold Mining Company (CC&V), until 2015, when it sold the mine to Newmont Mining Corporation. The Cripple Creek & Victor Gold Mine, formerly and historically the Cresson Mine, is an active gold mine located near the town of Victor, in the Cripple Creek mining district in the US state of Colorado.The richest gold mine in Colorado history, it is the only remaining significant producer of gold in the state, and produced 322,000 troy ounces of gold in 2019, and reported 3.45 million troy . George, R. D. Bulletin 06 Common Minerals and Rocks, Their Occurrence and Uses. Mineral Resources. The CGS publication RS-28 Gold Occurrences of Colorado provides a database of gold occurrences, a map showing the locations, and a geologic summary of each deposit type in Colorado. OF-01-20 Evaluation of Mineral and Mineral Fuel Potential of Archuleta, Hinsdale, La Plata, Mineral and San Juan Counties State Mineral Lands Administered by the Colorado State Land Board. Mineral and Mineral Fuel. [1] The CGS publication MS-28 Location Map and Descriptions of Metal Occurrences in Colorado with Notes on Economic Potential provides descriptions of metal occurrences and a map showing the general location of these deposits in Colorado. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, March 2002. https://doi.org/10.58783/cgs.of0211.intc6759. Bulletin. OF-01-10 Evaluation of Mineral and Mineral Fuel Potential of Custer and Huerfano Counties State Mineral Lands Administered by the Colorado State Land Board. Mineral and Mineral Fuel. [16]:7880, Two "Aladdin's caves of gold" were discovered in August 1953, on the 3100 foot level of Ajax Mine, Battle Mountain. Terbest, Harry, and H. Thomas Hemborg. CGS Publications. Alamosa , Arapahoe , and Archuleta have the most mining records. This strike also led directly to Rocky Mountain Fuel Company 's decision to unionize the workforce, and President Josephine Roche announced that she would recognize any union affiliated with the American Federation of Labor. At that time, in 1917, the world-class Climax deposit located on Fremont Pass, Lake and Summit counties, was brought on line. Colorado is home to several world-class molybdenum deposits including the alkaline felsic intrusive deposits of the Climax Mineonce the largest moly mine in the worldin Lake County, Colorado, July 2010. Pikes Peak or Bust was emblazoned on many of the ox-drawn wagons carrying optimistic prospectors across the Great Plains to the Rocky Mountains of Colorado. Streufert, Randall K., and Jane P. Ohl. Wallace, C.A., John W. Keller, James P. McCalpin, Paul J. Bartos, E. E. Route, Natalie N. Jones, Francisco Gutierrez, Cindy L. Williams, and Matthew L. Morgan. Scarbrough, Jr., L. Alex, Harry TerBest, and H. Thomas Hemborg. CGS Publications. OF-01-11 History, Geology, And Environmental Setting of the Tweed Mine, Pike/San Isabel National Forest, Chaffee County, Colorado. Mine Site History. CGS Publications. Open File Reports. Open File Report. CGS Publications. CGS Publications. Denver, CO: Colorado Geological Survey, Department of Natural Resources, 1978. https://doi.org/10.58783/cgs.rs02.jfad4032. CGS Publications. CGS Publications. IS-78 Colorado Mineral and Energy Industry Activities 2014-2015. Mineral and Energy Industry. Denver, CO: Colorado Geological Survey, Department of Natural Resources, 1981. https://doi.org/10.58783/cgs.rs21.sgxa7618. Denver, CO: Colorado Geological Survey, Department of Natural Resources, 1981. https://doi.org/10.58783/cgs.ms17.aytd4749. OF-96-04-26 Precambrian Tectonics and Metallogeny of the Hartville Uplift, Wyoming. Fieldtrip. Hemborg, H. Thomas, and Harry Terbest. The USMIN project includes many publications with GIS downloads showing the locations and characteristics of select metal deposits in the U.S. including Colorado. Information Series. Bulletin. . CGS Publications. In the past, Boulder County produced tungsten from areas near Nederland and Ward. CGS Publications. IS-44 Colorado Mineral and Mineral Fuel Activity, 1997. Mineral and Mineral Fuel. Open File Report. There have been 11 deaths since 1982 and more than 40 injuries, including people who entered mines to explore and others who fell in by accident, according to state data. IS-40 Colorado Mineral and Mineral Fuel Activity, 1995. Mineral and Mineral Fuel. Starch, Karl E. MI-15 Minerals in the Economy of Colorado. Mineral Resources. Frontier in Transition: A History of Southwestern Colorado (Chapter 8)
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