The Pearl and Ruby Groups is a silver mine located in Hinsdale county, Colorado at an elevation of 13,051 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: 13,051 Feet (3,978 Meters)
Commodity: Silver
Lat, Long: 37.965, -107.53750
Map: View on Google Maps
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MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Pearl and Ruby Groups MRDS details
Site Name
Primary: Pearl and Ruby Groups
Secondary: Patented Claims: Pearl, MS 12860
Secondary: Ruby, MS 12860
Commodity
Primary: Silver
Secondary: Lead
Tertiary: Zinc
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: Horseshoe Consolidated Gold Mining And Milling Co.
Home Office: Pueblo, Co.
Years: 1925 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
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 Unit
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene
Analytical Data
Analytical Data: VEIN ASSAYED 7 TO 9 OZ/TON AG, 35% PB, 20% ZN
Materials
Ore: Galena
Ore: Sphalerite
Gangue: Quartz
Comments
Comment (Workings): CROSSCUT DRIVEN GENERALLY SE FOR 200 FT TO VEIN WITH ADDITIONAL 50 FT; 30-FT DRIFT DRIVEN SW ON VEIN; 65-FT SHAFT.
Comment (Location): CLAIMS LOCATED ON NE PROJECTION OF GRAVEL MOUNTAIN ABOVE SCHAFER GULCH AND HENSON CREEK. ; INFO FROM LAND.ST :1977
Comment (Deposit): MINE DEVELOPED ON FAULT TOWARD NW SIDE OF EUREKA GRABEN AND TRENDS GENERALLY N 80 E, DISPLACING (DOWNDROPPING) BURNS MBR QUARTZ LATITE AND UNDERLYING HENSON MBR SANDSTONE ON NW AGAINST EUREKA MBR RHYOLITE ON SE. NO DETAILED DESCRIPTION OF VEIN IS AVAILABLE.
References
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): CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE SILVERTON QUADRANGLE; USGS FOLIO 120, 34 P.
Reference (Deposit): BROWN, W.H., 1926, THE MINERAL ZONES OF THE WHITE CROSS DISTRICT AND NEIGHBORING DEPOSITS IN HINSDALE COUNTY, COLORADO: MINES MAG., V. 15, NO. 11, P. 5-15.
Reference (Deposit): COLORADO DIV. MINES INF. REPTS.
Reference (Deposit): BLM MINERAL SURVEY MS 12860
Reference (Deposit): LUEDKE, R.G., AND BURBANK, W.S., 1975, PRELIMINARY GEOLOGIC MAP OF THE HANDIES PEAK QUADRANGLE, COLORADO: USGS OPEN-FILE REPT. 75-432.
Colorado Mining Photos
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