The Black Knife Group 1880's is a lead, zinc, copper, and silver mine located in Sierra county, New Mexico at an elevation of 7,100 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: 7,100 Feet (2,164 Meters)
Commodity: Lead, Zinc, Copper, Silver
Lat, Long: 33.35278, -107.59639
Map: View on Google Maps
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Black Knife Group 1880's MRDS details
Site Name
Primary: Black Knife Group 1880's
Secondary: Prospectors Delight Mine
Commodity
Primary: Lead
Primary: Zinc
Primary: Copper
Primary: Silver
Secondary: Gold
Location
State: New Mexico
County: Sierra
District: Sierra Cuchillo District
Land Status
Land ownership: BLM Administrative Area
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
Owner Name: C. H. Laidlaw
Years: 1933 -
Owner Name: Sierra Minerals And Milling Corp.
Home Office: Box 13 Cuchillo, N.M
Years: 1961 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1885
Year Last Production: 1961
Discovery Year: 1885
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Not available
Orebody
Form: PODS
Structure
Type: L
Description: Slightly Folded Sedimentary Rocks Strike N 20 W And Dip 25 Ne. Axes Of Small Folds Pitch Down Dip.
Alterations
Alteration Type: L
Alteration Text: Silicified Limestone Along Contact With Porphyry, Sometimes Garnetized.
Rocks
Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian
Name: Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Pennsylvanian
Analytical Data
Not available
Materials
Ore: Malachite
Ore: Anglesite
Ore: Sphalerite
Ore: Gold
Ore: Galena
Ore: Smithsonite
Ore: Cerargyrite
Gangue: Quartz
Gangue: Calcite
Comments
Comment (Location): MAIN SHAFTS ARE LOCATED ON THE EASTERN FLANK OF CUCHILLO MOUNTAIN ABOUT 3 MILES DUE EAST OF WINSTON.
Comment (Deposit): DEPOSITS OCCUR AS PODS AND SHOOTS ALONG LIMESTONE-PORPHYRY CONTACT IN CROSS FRACTURES LOCATED MAINLY IN THE TOPS OF SLIGHTLY FOLDED LIMESTONE. ORE SHOOTS ARE GENERALLY ABOUT 2 FT. WIDE, FROM 3 FT. TO 20 FT. LONG, AND PITCH DOWN THE DIP OF THE BEDS. 3 PATENTED CLAIMS COVERING ABOUT 60 ACRES.
Comment (Workings): WORKINGS REPORTED IN 1934 CONSISTED OF THREE INCLINED SHAFTS FROM 50 FT. TO 175 FT. DEEP, A TUNNEL 100 FT. IN LENGTH, ABOUT 50 FT. OF DRIFTING AND A VERTICAL WINZE 30 FT. DEEP.
Comment (Geology): FOR REGIONAL GEOLOGY SEE SIERRA CUCHILLO DISTRICT.
Comment (Deposit): Discovery Year: 1880'S
References
Reference (Deposit): HARLEY, G.T., 1934 NMBMMR BULL 10, P. 114, P. 119-120
Reference (Deposit): NMBMMR GENERAL FILE DATA
Reference (Deposit): JONES, F.A., 1904 NEW MEXICO MINES AND MINERALS, SANTA FE, N.M., P. 101
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