The Midnight Group is a silver and gold mine located in Costilla county, Colorado at an elevation of 9,678 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: 9,678 Feet (2,950 Meters)
Commodity: Silver, Gold
Lat, Long: 37.61639, -105.27306
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.
Midnight Group MRDS details
Site Name
Primary: Midnight Group
Secondary: Pride
Secondary: Red Bird
Secondary: Midnight Sun
Commodity
Primary: Silver
Primary: Gold
Location
State: Colorado
County: Costilla
District: Grayback (Russell) 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: Trinchera (Estate)
Years: 1910 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Deposit Type: Vein
Operation Type: Underground
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
Model Name: Polymetallic replacement
Orebody
Not available
Structure
Type: R
Description: Sierra Blanca Massif, Ft. Garland Embayment
Type: L
Description: Vega Cr. Anticline, Wagon Mesa Fault
Alterations
Not available
Rocks
Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Name: Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian
Analytical Data
Not available
Materials
Not available
Comments
Comment (Location): ALTHOUGH DISTRICT ACTUALLY IS IN UNSURVEYED PRIVATE LAND GRANT, SECTIONS REPORTED ARE BASED ON PATTON AND OTHERS' (1910) MAP RATHER THAN PROJECTIONS FROM ADJACENT QUADS. LAT-LONG AND ELEVATIONS DETERMINED FROM TOPO QUAD. MINE OR CLAIMS LIE ALONG BUCKSKIN GULCH AT JUNCTION WITH PLACER CREEK. LAT-LONG GIVEN IS MIDNIGHT SUN TUNNEL, PROBABLY LOCATED ON MIDNIGHT 2 CLAIM ; INFO FROM LAND.ST :(1975)
Comment (Deposit): THIN VEINS OF SOFT, OXIDIZED MATTER WITH SOME GOUGE FORMED AT CONTACT BETWEEN INTRUSION AND SEDIMENTARY COUNTRY ROCK.
References
Reference (Deposit): PATTON, H.B., AND OTHERS, 1910, GEOLOGY OF THE GRAYBACK MINING DISTRICT, COSTILLA COUNTY, COLORADO: CGS BULL. 2.
Reference (Deposit): CONSV. DIV. COMP. DATES, 1,64
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
