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Camp Bird Mine, Camp Bird, Sneffels District (Sneffels - Red Mountain District; Mount Sneffels District), Ouray, Ouray District, San Juan Mts, Ouray Co., Colorado, USA

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Latitude & Longitude (WGS84): 37° 58' 11'' North , 107° 43' 33'' West
Latitude & Longitude (decimal): 37.96972,-107.72583
Köppen climate type:Dfc : Subarctic climate

A former Au-Zn-Ag-Pb-Cu mine located in sec. 35, T43N, R8W, NMM, 0.3 km (0.2 mile) S of Camp Bird (town) and 2.7 km (1.7 miles) NW of Hayden Mountain (Hayden Mountain South) (coordinates of record), about 6 miles South of Ouray, on private (patented) land within a National Forest. Discovered by Thomas F. Walsh in 1896. Owned by the Federal Resources Corp. (100.00%), Utah (1992). Operated 1900 to 1990. MRDS database stated accuracy for this location is 10 meters.

NOTE: The Yale Peabody GNIS database provides three sets of coordinates for this mine based on the levels that have tunnels exiting the mountain plus a set of coordinates for the populated place (town). NOTE: The USGS MRDS database provides 2 additional file numbersd as relevent to this mine. In fact, they pertain to another Camp Bird Mine in another county.

Mineralization is a polymetallic replacement deposit. The main ore body is the Camp Bird vein, with replacement ore bodies on three other veins. The ore body strikes E00W and dips 70S at a thickness of 2.5 meters, a depth-to-top of 300 meters, a width of 380 meters, and a length of 2,000 meters. It is a tabular, fissure vein replacement body. The primary mode of origin is hydrothermal. Secondary mode was lithology. Wallrock alteration is moderate (propylitic, intermediate argillic and advanced argillic). Local rocks include pre-ash-flow andesitic lavas, breccias, tuffs, and conglomerates.

Workings include extensive underground openings with a length of 7,200 meters and an overall depth of 248 meters.

Production information: Produced about 1.5 million Troy ounces of Au to 1990. Also produced 4 million Troy ounces of Ag.

Reserves and resources data: Type In-situ; Estimate year: 1980 ; demonstrated 77,095 mettric tons of ore; measured 77,095 metric tons of ore; total resources: 77,095 metric tons of ore. Ag: 133.000000 grams/metric ton (1980); Au 3.200000 grams/metric ton (1980 ).

Mineral List

48 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

Rupelian - Priabonian
28.1 - 37.8 Ma

ID: 2786229
Pre-ash-flow andesitic lavas, breccias, tuffs, and conglomerates

Age: Paleogene (28.1 - 37.8 Ma)

Description: Includes several named units

Lithology: Major:{andesite}, Minor:{volcanic,conglomerate,igneous}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cross, W., and Purrington, C.W. (1899), Telluride Folio, Colorado, USGS Geologic Atlas, Folio No. 57, 19 pp.
Ransome, Frederick Leslie (1901), A report on the economic geology of the Silverton quadrangle, Colorado. USGS Bulletin 182, 265 pp.
Cross, W., et al (1905), Silverton Folio, Colorado, USGS Geologic Atlas, Folio No. 120, 34 pp.
Irving, J.D. (1905), Ore Deposits of the Ouray District, Colorado, USGS Bulletin 260: 50-77.
Bastin, E.S. (1923), Silver Enrichment in the San Juan Mountains, Colorado, USGS Bulletin 735-D: 65-129.
Spurr, J.E. (1925), The Campbird Compound Veindike, Economic Geology: vol ?: 115-152.
Burbank, W.S. (1930), Revision of Geologic Structure and Stratigraphy in the Ouray District of Colorado, and Its Bearing on Ore Deposition, Colorado Scientific Society Proceedings: 12(6): 151-232.
Collins, G.E. (1931), Localization of Ore Bodies at Rico and Re___ Mountains, Colorado, as Conditioned by Geologic Structure History, Colorado Scientific Society Proceedings: 12(12): 407-424.
------ (1933), Ore Deposits in the Central San Juan Mountains, Colorado, in Ridge J.D., editor, Ore Deposits of the United States, A.I.M.E., Graton-Sales Volumes, Chapter 33, Volume 1, 1880 pp.
------ (1933), The Western San Juan Mountains, in Colorado: 1st. International Geol. Congress Guidebook 19: 34-63.
------ (1933), Vein Systems of the Arrastre Basin and Regional Geologic Structure of the Silverton and Telluride Quadrangle, Colorado: Colorado Scientific Society Proceedings: 13(5): 135-214.
Cross, W., and Larsen, E.S. (1935), A Brief Review of the Geology of the San Juan Region of Southwestern Colorado, USGS Bulletin, 189 pp.
Moehlman, R.S. (1936), Ore Deposition South of Ouray, Colorado, Geology: 31: 377-397, 488-504.
------ (1940), Structural Control of Ore Deposition in the Uncompahgre District, Ouray County, Colorado, USGS Bulletin 960-E: 189-265.
------ (1941), Structural Control of Ore Deposition in the Sneffels and Telluride Districts of the San Juan Mountains, Colorado, Colorado Scientific Society Proceedings: 14(5).
Kelley, V.C. (1946), Geology, Ore Deposits and Mines of the M Point, Poughkeepsie, and Upper Uncompahgre Districts, Ouray, San Juan, and Hinsdale Counties, Colorado, Colorado Scientific Society Proceedings: 14(7): 287-466.
Kelly, V. C., and Silver C. (1946), Stages and Epochs of Mineralization in the San Juan Mountains, Colorado, as Shown at the Dunmore Mine, Ouray County, Colorado, Economic Geology: 41: 159.
Burbank, Wilbur Swett, et al (1947), The San Juan Region, in Vand, J.W., editor, Mineral Resources of Colorado, State of Colorado Mineral Resources Board.
Varnes, D.J. (1947), Recent Developments on the Black Bear Vein, San Miguel County, Colorado, Colorado Scientific Society Proceedings: 15: 135-1__.
Rocks & Minerals (1948): 23: 704.
Bejnar, W. (1949), Lithologic Control of Ore Deposits in the San Juan Mountains, Colorado: Compass: 26: 117-130.
------ (1950), Problems of Wallrock Alteration in Shallow Envirionments, in Van Tuyl and Kuhn, editors, Applied Geology, Colorado School of Mines Quarterly: 45 (1B): 287-3__.
King, W. H., and P. T. Allsman (1950), Reconnaissance of Metal Mining in the San Juan Region, Ouray, San Juan and San Miguel Counties, Colorado, U.S. Bureau of Mines Information Circular IC7554: 25-26.
------ (1951), The Sunnyside, Ross Basin, and Bonita Fault Systems and Their Associated Ore Deposits, San Juan County, Colorado, Colorado Scientific Society Proceedings: 13(7): 285-304.
Larsen, Jr., Esper S., and Cross, W. (1956), Geology and Petrology of the San Juan Region, Southwestern Colorado, USGS Professional Paper 258.
Kottlowski, F.E., editor (1957), Guidebook to the Geology of the Southwestern San Juan Mountains, Colorado, New Mexico Geo. 8th. Field Conference Guidebook: 102-207, 217-221.
------ (1960), Silverton, Colorado, in Relation of Ore Deposit Doming in North American Cordillera, Geological Society of America Memorandum:
Burbank, Wilbur Swett (1960), Pre-ore Ptopylization, Silverton Caldera, Colorado, USGS Professional Paper 400-B, Short Papers in the Geological Sciences: B12-B13.
Burbank, Wilbur Swett and Luedke Robert G. (1961), Origin and Evolution of Ore Forming Solutions, Silverton Caldera, San Juan Mountains, Colorado, USGS Professional Paper 424-C: C7-C11.
Luedke, R.G., and Burbank, W.S. (1962), Geology of the Ouray Quadrangle, Colorado, USGS Geologic Quadrangle 152, 1 inch to 5280 feet.
------ (1963), Tertiary Volcanic Stratigraphy in the Western San Juan Mountains, Colorado, USGS Professional Paper 475C: C39-C44.
------ (1964), Revised Tertiary Volcanic Sequence in the Central San Juan Mountains, Colorado, USGS Professional Paper 475-D: D54-D63.
------ (1966), Geologic Map of the Telluride Quadrangle, Southern Colorado, USGS Geologic Quadrangle map GQ 504, 1:24000.
------ (1968), Geology and Ore Deposits of the Western San Juan Mountains, Colorado, in Ridge, J.D., editor, Ore Deposits of the United States, 1933-1967, (Graton-Sales Volumes): Chapter 3, Volume 1, 1880 pp.
------ (1968), Volcanism and Cauldron Development in the Eastern San Juan Mountains, Colorado, Colorado School of Mines Quarterly: 63: 175-208.
Baars, D.L.,and See, P.D. (1968), Pre-Pennsylvanian Stratigraphy Paleotectonics of the San Juan Mountains, Southwestern Colorado, Geological Society of America Bulletin: 79: 333-349.
------ (1970), Geology and Ore Deposits of Eureka and Adjoining Districts, San Juan Mountains, Colorado, USGS Professional Paper 535, 73 pp.
Lipman, P.W. et al (1970), Volcanic History of the San Juan Mountains, Colorado, as indicated by Potassium-Argon DAting, Geological Society of America Bulletin: 81: 2329-2352.
Gentry, Don W. (1975), Lead and Zinc Deposits in Colorado and Wyoming, U.S. Bureau of Mines Contract G0264005, 201 pp.
U.S. Bureau of Mines Minerals Yearbook (1988) - Zinc: 9.
Mineralogical Record (1989): 20(5): 388.
Rocks & Minerals (1989): 64: 140-141.
Rocks & Minerals (1990): 65: 114-149;
Rocks & Minerals (1995): 70(5): 298-310.
Rocks & Minerals (1996): 71: 168-169.
Eckels, E. B. (1997), Minerals of Colorado.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10240569.
New Mexico Mineral Symposium abstracts (2009).
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0080910005.
------, Geology and Ore Deposits of the South Silverton Mining District, San Juan County, Colorado, USGS Professional Paper 378-A: A1-A_.
-------, Analysis of Plastic Deformation According to Von Mis Theory with Application to the South Silverton Area, San Juan County, Colorado, USGS Professional Paper 378-B, 49 pp.
Federal Resources 1980 Annual Report: 2.
USGS Geologic Atlas, Ouray Folio, Colorado, Folio No. 153, 20 pp.

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