The Chalcocite Prospect is a copper mine located in Sandoval county, New Mexico at an elevation of 7,651 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: 7,651 Feet (2,332 Meters)
Commodity: Copper
Lat, Long: 36.005, -106.89694
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Chalcocite Prospect MRDS details
Site Name
Primary: Chalcocite Prospect
Commodity
Primary: Copper
Location
State: New Mexico
County: Sandoval
District: Nacimiento 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.
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1900
Discovery Year: 1900
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Navajo Section
Mineral Deposit Model
Not available
Orebody
Form: LINEAR
Structure
Type: R
Description: Nacimiento Fault
Type: L
Description: Nacimiento Fault
Alterations
Not available
Rocks
Name: Schist
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Schist
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Malachite
Ore: Chalcocite
Gangue: Pyrite
Comments
Comment (Deposit): THE DEPOSIT LIES CHIEFLY IN A ZONE OR BAND OF SCHIST ABOUT 35 FEET WIDE CONTAINED IN THE GRANITE.THE COPPER OCCURS IN MODERATE AMOUNTS IN THE SCHIST, AND SEEMS TO ATTAIN ITS BEST DEVELOPMENT NEAR THE CONTACT OF THE SCHIST WITH THE GRANITE. THE JOINTING IN THE GRANITE DIPS ABOUT 80 NE AND THE TUNNEL WORKINGS FOLLOW A TWO-FOOT DIABASE DIKE WHICH CONFORMS TO THE SOUTHEASTERLY TREND OF THE JOINTING. THE DIKE CARRIES TRACES OF PYRITE AND CHALCOPYRITE, BUT DOES NOT SEEM TO HAVE ANY CONNECTION WITH THE DEPOSITS IN THE SCHISTS.
Comment (Geology): THE PRECAMBRIAN IN THIS AREA HAS NOT BEEN GIVEN A FORMAL NAME.
Comment (Location): LOCATION IS ESTIMATED FROM DESCRIPTION GIVEN IN LINDGREN (1910, P. 149). ; INFO FROM LAND.ST :1979
Comment (Production): THERE ARE NO PRODUCTION RECORDS FOR THIS PROSPECT.
Comment (Development): THERE IS NO RECORD OF OWNERSHIP FOR THIS PROSPECT. LINDGREN (1910, P. 149-150) STATES THERE WAS ACTIVITY AT THE PROSPECT BUT DOES NOT SAY WHO WAS WORKING IT.
Comment (Workings): IN 1905 A 60-FT TUNNEL IN THE CANYON 150-FT BELOW THE OUTCROPPING WAS BEING DRIVEN IN GRANITE TO CROSSCUT THE "LEAD" AT ABOUT RIGHT ANGLE. THE TUNNEL FOLLOWS A TWO-FOOT DIABASE DIKE WHICH CONFORMS WITH THE SOUTHEASTERLY TREND OF JOINTING IN THE GRANITE.
References
Reference (Deposit): LINDGREN, W., L.C. GRATON, AND C.H. GORDON, USGS PP 68, P. 149-150
Reference (Deposit): ELSTON, W.E., 1967, NMBMMR BULL 81, P. 28
Reference (Deposit): NMBMMR GENERAL FILE DATA
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