The Pride of America Mine is a gold, lead, zinc, and silver mine located in Hinsdale county, Colorado at an elevation of 9,951 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: 9,951 Feet (3,033 Meters)
Commodity: Gold, Lead, Zinc, Silver
Lat, Long: 38.01389, -107.42694
Map: View on Google Maps
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Pride of America Mine MRDS details
Site Name
Primary: Pride of America Mine
Secondary: Patented Claim: Pride of America, MS 5306
Secondary: Unpatented Claim: Pride of Amaerica No. 2
Commodity
Primary: Gold
Primary: Lead
Primary: Zinc
Primary: Silver
Secondary: Copper
Tertiary: Antimony
Location
State: Colorado
County: Hinsdale
District: Galena (Henson Creek) 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
Not available
Ownership
Owner Name: H. Martin Davis
Home Office: Grand Junction, Co.
Years: 1977 -
Owner Name: Ada-Mar Mines, Inc.
Home Office: Grand Junction, Co.
Years: 1977 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year Last Production: 1977
Discovery Year: 1888
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
Not available
Structure
Type: R
Description: San Juan Volcanic Field, San Juan Depression
Type: L
Description: San Juan-Uncompahgre Calderas, Lake City Caldera, Eureka Graben
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene
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
Not available
Materials
Ore: Sphalerite
Gangue: Quartz
Comments
Comment (Production): PARTIAL PRODUCTION RECORD. FIGURES UNAVAILABLE FOR YEARS PRIOR TO 1967. NO PRODUCTION REPORTED IN 1957 AND 1975.
Comment (Location): MINE LIES ALONG BIG CASINO GULCH ABOUT 1000 FT ABOVE CONFLUENCE WITH HENSON CREEK. ; INFO FROM LAND.ST :1977
Comment (Deposit): DEPOSIT LIES JUST OUTSIDE RIM OF LAKE CITY CALDERA IN UNCOMPAHGRE CALDERA INFILL ROCKS COMPOSED OF EUREKA MEMBER RHYOLITE AND PICAYUNE MEGABRECCIA, COMPOSED OF CHAOTIC MASSES OF PRECALDERA INTERMEDIATE-COMPOSITION ROCKS INTERPRETED TO BE RESULT OF SLUMPING FROM OVERSTEEPENED CALDERA WALLS DURING INITIAL SUBSIDENCE OF UNCOMPAHGRE CALDERA. DEPOSIT IS TRANSVERSE VEIN IN SLACK'S (1980) QUARTZ/BASE-METAL ASSEMBLAGE, INNER QUARTZ-CHALCOPYRITE ZONE. TWO VEINS INTERSECTED: FIRST VEIN TRENDS ABOUT N 45 E AND EXTENDS SW INTO BIG CASINO WORKINGS; SECOND VEIN TRENDS ABOUT EAST-WEST AND DIPS 60 S. EARLIER MINERAL IN VEIN APPEARS TO BE GALENA, BROKEN WITH AREAS OF ARGENTIFEROUS TETRAHEDRITE SCATTERED THROUGH IT, AND SUBORDINATE SPHALERITE AND LITTLE GANGUE.
Comment (Workings): CDM REPORTS DESCRIBE WORKINGS AS NEWER TUNNEL DRIVEN (PRESUMABLY) SOUTH OR SE, INTERSECTING VEIN AT 150 FT FROM PORTAL; BY 1967, 600 FT OF DRIFT WAS DRIVEN TOWARD OLDER BIG CASINO WORKINGS. FROM 1968 TO 1977, NEWER WORKINGS INCLUDED 20-FT RAISE, AND 60-FT CROSSCUT AT 94 FT FROM PORTAL, OTHER NEWER RAISES AND DRIFTS. OLD TUNNEL IN BIG CASINO GULCH DRIVEN GENERALLY SSW, EXTENT UNKNOWN. IRVING AND BANCROFT (1911) CITE 60-FT SHAFT.
References
Reference (Deposit): IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 81.
Reference (Deposit): SLACK, J.F., 1980, MULTISTAGE VEIN ORES OF THE LAKE CITY DISTRICT, WESTERN SAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 75, NO. 7, P. 963-991.
Reference (Deposit): LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.
Reference (Deposit): COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.
Reference (Deposit): BLM MINERAL SURVEY MS 5306
Reference (Production): COLORADO DIV. MINES ANNUAL OPERATOR REPTS.
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