The Castle Rock Springs Claim is a copper mine located in La Plata county, Colorado at an elevation of 8,799 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: 8,799 Feet (2,682 Meters)
Commodity: Copper
Lat, Long: 37.59722, -107.81611
Map: View on Google Maps
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Castle Rock Springs Claim MRDS details
Site Name
Primary: Castle Rock Springs Claim
Secondary: Patented Claim: Castle Rock Springs
Secondary: Ms 1779
Commodity
Primary: Copper
Secondary: Gold
Location
State: Colorado
County: La Plata
District: Cascade 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.
Administrative Organization: San Juan N. F.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1833
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 veins
Orebody
Not available
Structure
Type: R
Description: San Juan Uplift
Type: L
Description: Needle Mtns Uplift
Alterations
Not available
Rocks
Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: CHIP SAMPLE OF LIMESTONE AND MALACHITE FROM FRACTURE ZONE CONTAINED 0.01% CU. CHIP SAMPLE OF LIMESTONE AND CALCITE FROM PIT CONTAINED 0.01% CU AND 0.031 OZ/TON AU.
Materials
Ore: Malachite
Gangue: Calcite
Comments
Comment (Location): (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). CLAIM LIES SOUTH OF HATTER POND AND PROBABLY CROSSES U.S. ROUTE 550. SCOTT'S (1983) MAP SUGGESTS COINCIDENCE OF CLAIM AND SAMPLE SITES AT TWO PROSPECTS IN UPPER REACH OF UNNAMED TRIBUTARY OF LITTLE CASCADE CREEK NW OF ELECTRA LAKE. ELEV AND LAT-LONG GIVEN ARE FOR PROSPECT IN SW SW SEC. 36. ; INFO FROM LAND.ST :1974
Comment (Deposit): MINE DEVELOPED ON PROBABLE FRACTURE OR FAULT ZONE CUTTING WEST- OR WNW-DIPPING OURAY OR LEADVILLE LIMESTONES ON WEST FLANK OF NEEDLE MTNS UPLIFT. FAULT COULD BE SE EXTENSION OF N 57 W-TRENDING FAULTS MAPPED BY CROSS AND HOLE (1910).
Comment (Workings): PROBABLE SURFACE PROSPECT PITS
References
Reference (Deposit): BLM MINERAL SURVEY MS 1779
Reference (Deposit): CROSS, WHITMAN, AND HOLE, A.D., 1910, DESCRIPTION OF THE ENGINEER MOUNTAIN QUADRANGLE: USGS FOLIO 171.
Reference (Deposit): BARKER, FRED, 1969, PRECAMBRIAN GEOLOGY OF THE NEEDLE MOUNTAINS, SOUTHWESTERN COLORADO: USGS PROF. PAPER 644-A.
Reference (Deposit): SCOTT, D.C., 1983, MINERAL INVESTIGATION OF THE WEST NEEDLE WILDERNESS STUDY AREA AND THE BLM WEST NEEDLE CONTIGUOUS WILDERNESS STUDY AREA, LA PLATA AND SAN JUAN COUNTIRES, COLORADO: USBM MLA 35-83, P. 18.
Colorado Mining Photos
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