The Monon Mine is a silver and lead mine located in Mineral county, Colorado at an elevation of 9,180 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 9,180 Feet (2,798 Meters)
Commodity: Silver, Lead
Lat, Long: 37.84444, -106.95750
Map: View on Google Maps
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Monon Mine MRDS details
Site Name
Primary: Monon Mine
Secondary: Monon Hill Mine
Commodity
Primary: Silver
Primary: Lead
Secondary: Copper
Secondary: Gold
Tertiary: Zinc
Location
State: Colorado
County: Mineral
District: Creede District
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Collins, A. B. And Wheeler, H.R.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1914
Year Last Production: 1941
Discovery Year: 1914
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Form: LENSE, WEDGE
Structure
Type: R
Description: San Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas
Type: L
Description: Local Normal Faulting In Volcanics Underlying Creede Fm, Between Alpha-Corsair And Bulldog Mtn. Fault Zones And Related To Subsidence/Resurgence Of Bachelor And Creede Cauldrons (Creede Graben).
Alterations
Alteration Type: L
Alteration Text: Erratic Silicification
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Analytical Data
Analytical Data: ASSAY OF 5 CARLOADS OF ORE RAN 25 TO 71 OZ/TON AG
Materials
Ore: Sphalerite
Ore: Galena
Ore: Chalcopyrite
Gangue: Barite
Gangue: Calcite
Gangue: Pyrite
Comments
Comment (Location): S-T-R, LAT-LONG, AND ELEV DETERMINED FROM EMMONS AND LARSEN'S (1923) TOPO MAP (1:24,000). MINE OR CLAIM LIES ON WEST SIDE OF MONON HILL AT SUNNYSIDE ; INFO FROM LAND.ST :(1976)
Comment (Development): MAIN MINING ACTIVITY 1918-22 WITH ESTIMATED PRODUCTION OF $800,000 (95% AG, REST PB, LITTLE AU, CU). EXPLORATION BUT NO PRODUCTION 1952-58.
Comment (Deposit): SULFIDES IMPREGNATE AND FORM DRUSY COATINGS IN WEDGES OF COARSE-GR., SILICIFIED FANGLOMERATE, PARTLY AND IRREGULARLY IMPREGNATED BY TRAVERTINE, WEDGING OUT DOWNDIP, BOUNDED BY NON- OR WEAKLY MINERALIZED THIN-BEDDED SILTSTONE AND SANDSTONE AND BY UNDERLYING BURIED HILL OF CAMPBELL MTN. RHYOLITE.
Comment (Workings): MINE COMPLEX CONSISTS OF 8 SHAFTS (UNKNOWN DEPTH), 6 PARTLY INTERCONNECTED MAIN DEVELOPMENT TUNNELS AND LEVELS, 4 MAJOR STOPES. INITIAL PORTAL HEADINGS AND MEASURED LENGTH OF MAPPED WORKINGS (LESS STOPES) FROM STEVEN AND RATTE (1965): MOON TUNNEL-S41E, 870 FT, MAGNUSSON TUNNEL-S70E, 660 FT, EADS AND DISCOVERY TUNNELS, S67E, 960 FT, MANITOBA TUNNEL-S71E, 610 FT, SILVER HORDE TUNNEL-N38E, 1890 FT. LARSEN (1929) SHOWS LE FEVRE TUNNEL DRIVEN DUE EAST BUT NOT EXTENDING TO ORE BODY OR OTHER WORKINGS.
References
Reference (Deposit): STEVEN, T.A., AND RATTE, J.C., 1965, GEOLOGY AND STRUCTURAL CONTROL OF ORE DEPOSITION IN THE CREEDE DISTRICT, SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 487, 90 P.
Reference (Deposit): LINDEMANN, J.W., AND OTHERS, EDS., 1981, FIELD TRIP NOTES, CREEDE MINING DISTRICT, SAN JUAN VOLCANIC PROVINCE, COLORADO: DENVER REGIONAL EXPLORATION GEOLOGISTS SOC. GUIDEBOOK
Reference (Deposit): LARSEN, E.S., 1929, RECENT MINING DEVELOPMENTS IN THE CREEDE DISTRICT, COLORADO: USGS BULL. 811-B.
Reference (Deposit): EMMONS, W.H., AND LARSEN, E.S. 1923, GEOLOGY AND ORE DEPOSITS OF THE CREEDE DISTRICT, COLORADO: USGS BULL. 718, 198 P.
Colorado Mining Photos
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