Pearl and Ruby Groups

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

Name: Pearl and Ruby Groups  

State:  Colorado

County:  Hinsdale

Elevation: 13,051 Feet (3,978 Meters)

Commodity: Silver

Lat, Long: 37.965, -107.53750

Map: View on Google Maps

Satelite View

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.


Satelite image of the Pearl and Ruby Groups

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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