The Chance Mining Co is a lead, silver, and zinc mine located in Mineral county, Colorado at an elevation of 9,199 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: 9,199 Feet (2,804 Meters)
Commodity: Lead, Silver, Zinc
Lat, Long: 37.8706, -106.92890
Map: View on Google Maps
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Chance Mining Co MRDS details
Site Name
Primary: Chance Mining Co
Secondary: Emperius Mine
Secondary: Creede Mines
Secondary: Commodore Mining Co.
Secondary: Last Chance and Pittsburg Mine Co
Secondary: Emperious Mining Co.
Secondary: Amethyst Mine
Secondary: Del Monte Mining Co.
Secondary: Bachelor Mine
Secondary: New York Mine
Commodity
Primary: Lead
Primary: Silver
Primary: Zinc
Secondary: Cadmium
Secondary: Gold
Secondary: Copper
Location
State: Colorado
County: Mineral
District: Creede District
Land Status
Land ownership: National Forest
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
Type: Located Claim
Type: Private Lease
Type: Patented
Workings
Type: Underground
Ownership
Owner Name: Commodore Mining Co.
Company ID: 500412
Home Office: Colorado
Info Year: 1976
Owner Name: Emperius Mining Co
Company ID: 500412
Home Office: Colorado
Info Year: 1976
Owner Name: Creede Mines
Company ID: 500412
Home Office: Colorado
Info Year: 1976
Owner Name: Del Monte Mining Co.
Company ID: 500412
Home Office: Colorado
Info Year: 1976
Owner Name: Minerals Engineering Co
Company ID: 500412
Percent: 100.0
Home Office: Colorado
Info Year: 1976
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Shrinkage Methods - Overhand Shrinkage
Milling Method: Flotation
Year First Production: 1892
Discovery Year: 1884
Years of Production:
Organization:
Significant: Y
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Unknown: Amethyst
Unknown: Barite
Unknown: Wad
Unknown: Turgite
Unknown: Tetrahedrite
Unknown: Sphalerite
Unknown: Silver
Unknown: Quartz
Unknown: Pyrite
Unknown: Hematite
Unknown: Gold
Unknown: Galena
Unknown: Chalcopyrite
Unknown: Chalcedony
Unknown: Cerussite
Unknown: Bornite
Unknown: Argentite
Unknown: Anglesite
Unknown: Kaolin
Comments
Comment (Production): CADMIUM CONC GRADE AND MILL RECOVERY RATES NOT KNOWN. SMALL AMOUNTS OF CADMIUM RECOVERED AT SMELTER.
Comment (Ownership): CHEVRON RESOURCES (DIV. OF STANDARD OIL OF CALIFORNIA) SIGNED AN OPTION WITH MINERALS ENGINEERING IN 1978 FOR A 5-YR LEASE FOR EXPLORATION IN THE EMPERIUS MINE. CHEVRON WILL PAY $300,000 IN 1981, AND $500,000 IN 1982. CHEVRON MAY DISCONTINUE THE PAYMENTS BEFORE END OF 1982, EITHER BY PAYING $6,000,000 FOR AN 85% INTEREST IN THE PROPERTY, OR BY GIVING 90 DAYS NOTICE OF TERMINATION. CHEVRON CAN ALSO EXTEND THE OPTION PERIOD BEYOND 1982, BY MAKING ADDITIONAL PAYMENTS THAT CUMULATIVELY REACH $5,700,000 BY 1986 OR $9,855,000 BY 1987, TO EARN A 65% OR AN 85% WORKING INTEREST, RESPECTFULLY, IN THE PROPERTY (MINERALS ENGINEERING 1980 FORM 10-K, P. 30.)
Comment (Deposit): MINERALS ENGINEERING CO. MAY 1976,THIS COMPANY IS THE OPERAT THE FOLLOWING PROPERTIES: AMETHYST MINE, NEW YORK MINE,LAST R MINE, DEL MONTE, EMPERIOUS MINE AND MILL, CREEDE MINES.
Comment (Reserve-Resource): M1C1=R1. MINUS 103900 (2 YRS PRODUCTION). 1980 RESERVES ADJUSTED FROM JAN 1975 RESERVES BY SUBTRACTING 1975 + 1976 PRODUCTION (103900 MTS). MINE CLOSED IN OCT 1976, 75% PROB = 1.5X90% PROB, 50% PROB =2.0X90% PROB M2C1=R2. QUANT 2 IS 1975 STATED BROKEN RESERVES IN MINE DUMP. M9C4=R1. - 103900 M9C5=R2.
Comment (Exploration): DURING 1978, CHEVRON CONDUCTED AN EXTENSIVE UNGRD SAMPLING, GEOLOGIC AND MAPPING PROGRAM WHICH ENCOUNTERED ENCOURAGING SILVER MINERALIZATION IN OLDER WORKINGS AND GENERALLY CONFIRMED PREVIOUS SAMPLING WORK. IN 1979, CHEVRON CONTINUED THE DRILLING PROGRAM STARTED IN 1978. DURING 1980 CHEVRON EXPANDED ITS EXPLORATION EFFORT TO INCLUDE APPROXIMATELY 3450 FT. OF UNDGD DRIFTING AND BULK SAMPLING, WHICH WAS CONDUCTED BY AN INDEPENDENT CONTRACTOR. BY END OF JAN 1981, CHEVRON HAD COMPLETED APPROXIMATELY 130 SURF AND UGRD DRILL HOLES TOTALLING OVER 41000 FT. SEVERAL MINE LEVELS HAVE BEEN SAMPLED IN DETAIL AND GEOPHYSICAL AND GEOCHEMICAL SURVEYS WERE CONDUCTED OVER MUCH OF THE SOUTHERN PORTION OF THE OPTIONED CLAIMS. THE RESULTS INDICATE THE PRESENCE OF WIDESPREAD LOW- GRADE, DISSEMINATED SILVER MINERALIZATION ADJACENT TO THE AMETHYST FAULT. (MINERALS ENGINEERING 1980 FORM 10K, P 3)
References
Reference (Deposit): OWN/OP: EMPERIUS MINING CO. 1960
Reference (Deposit): CROSS,WHITMAN AND LARSON, 1935,A BRIEF REVIEW OF THE GEOLOGY
Reference (Deposit): SAN JUAN REGION OF SOUTHWESTERN COLORADO:USGS BULL 843, 138
Reference (Deposit): EMMONS AND LARSON,GEOLOGY AND ORE,DEPOSITS OF THE CREEDE DIS
Reference (Deposit): COLORADO: USGS BULL 718, 198P. (YEAR-1923)
Reference (Deposit): HENDERSON, 1926, MINING IN COLORADO: A HISTORY OF DISCOVERY
Reference (Deposit): BETHKE,BARTON AND BODINE, 1960,"TIME SPACE RELATIONSHIPS OF
Reference (Deposit): EMENT AND PRODUCTION: USGS PROF PAPER 138, 263P
Reference (Deposit): KIRBY,1892, THE ORE DEPOSITS OF CREEDE AND THEIR POSSIBILITI
Reference (Deposit): AND MINING JOUR, V.53, NO.12, P325-326
Reference (Deposit): LARSON,1930, RECENT MINING DEVELOPEMENTS IN THE CREEDE DISTR
Reference (Deposit): COLORADO: USGS BULL 811-B P89-112
Reference (Deposit): LUNT, 1924,ORE DEPOSITS AT CREEDE COLORADO: ENJ AND MINING J
Reference (Deposit): V.117, NO. 24, P.973.
Reference (Deposit): MACMECHEN, 1892, THE ORE DEPOSITS OF CREEDE,COLORADO; ENJ AN
Reference (Deposit): G JOURNAL, V. 53, P. 301-303.
Reference (Deposit): MEEVES AND DARNELL, 1968, STUDY OF THE SILVER POTENTIAL, CRE
Reference (Deposit): TRICT,MINERAL COUNTY,COLORADO: USBM I.C. 8370, 58P.
Reference (Deposit): ROEDDER, 1960, PRIMARY FLUID INCLUSIONS IN SPHALERITE CRYSTA
Reference (Deposit): THE OH VEIN,CREEDE,COLORADO: GEOL SOC AMERICA BULL V.71,NO.
Reference (Deposit): 2, P1958.
Reference (Deposit): STEVEN AND RATTE, 1960, RELATION OF MINERALIZATION TO CALDER
Reference (Ownership): MINERALS EINGINEERING 1980 10-K REPORT, P 3.
Reference (Reserve-Resource): MINERALS ENGINEERING 1974 ANNUAL REPORT, P. 21.
Reference (Deposit): MINERALS ENGINEERING 1980 FORM 10-K REPORT, P 3.
Reference (Deposit): DENCE IN THE CREEDE DISTRICT, SAN JUAN MOUNTAINS,COLORADO:
Reference (Deposit): SHORT PAPERS IN THE GEOL SCI, USGS PROF PAPER 400-B, P.B14-
Reference (Deposit): STEVEN AND RATTE, 1965, GEOLOGY AND STRUCTURAL CONTROL OF OR
Reference (Deposit): SITION IN THE CREEDE DISTRICT, SAN JUAN MOUNTAINS, COLORADO
Reference (Deposit): PROF PAPER 487, 89P.
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