The Newman Tunnel is a silver, lead, and zinc mine located in Pitkin county, Colorado at an elevation of 8,159 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: 8,159 Feet (2,487 Meters)
Commodity: Silver, Lead, Zinc
Lat, Long: 39.17694, -106.83778
Map: View on Google Maps
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Newman Tunnel MRDS details
Site Name
Primary: Newman Tunnel
Secondary: Claims: La Salle
Secondary: Denver
Secondary: Harrisburg
Secondary: Bijou
Secondary: Keystone
Secondary: St. Paul
Commodity
Primary: Silver
Primary: Lead
Primary: Zinc
Location
State: Colorado
County: Pitkin
District: Aspen (Roaring Fork) 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: Fred Leaver And Associates
Home Office: Aspen, Co.
Years: 1926 -
Production
Year: 1924
Description: Ap_Grade: ^15 Oz/Ton Ag, 5% Pb, 8% Fe, 1% S
Year: 1922
Description: Ap_Grade: ^12 Oz/Ton Ag, 7% Pb
Year: 1921
Description: Ap_Grade: ^20 Oz/Ton Ag, 6% Pb, 6% Fe, 1% S
Year: 1917
Material type: ORE
Description: Ap_Grade: ^6 Oz/Ton Ag, 4% Pb (Dump Ore)
Year: 1926
Description: Ap_Grade: ^10 Oz/Ton Ag, 6% Pb, 4% Fe
Year: 1923
Description: Ap_Grade: ^12 Oz/Ton Ag, 5% Pb
Year: 1919
Material type: ORE
Description: Ap_Grade: ^(Crude Ore) 23.6 Oz/Ton Ag, 7.5% Pb
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1926
Discovery Year: 1881
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: Sawatch Uplift, Central Colorado Trough, Piceance Basin, White River Uplift, Elk Uplift
Type: L
Description: Silver Fault, Contact Fault, Aspen Mountain Syncline, Tourtellotte Park Uplift
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene
Analytical Data
Analytical Data: ORE GRADES RAN 6 TO 23.6 OZ/TON AG AND 4 TO 7.5% PB
Materials
Not available
Comments
Comment (Location): IN UPPER ASPEN MTN AREA, NEAR MOUTH OF KENO GULCH AT WEST BASE OF WEST ASPEN MTN. ELEV AND LAT-LONG FROM BRYANT (1972) ; INFO FROM LAND.ST :(1980)
Comment (Production): PARTIAL PRODUCTION RECORD. FIGURES FOR 1920 AND 1925 NOT REPORTED. TONNAGES FOR 1921-26 REPORTED AS CRUDE ORE
Comment (Workings): ONE TUNNEL DRIVEN GENERALLY EASTWARD APPROX ONE MILE. FIRST INCLINE IS 900 FT HIGH AT 62 DEG; SECOND INCLINE IS 300 FT HIGH AT 60 DEG; THIRD INCLINE IS 1150 FT HIGH AT 53 DEG.
Comment (Deposit): EXACT HEADING AND LENGTH OF TUNNEL UNKNOWN, BUT IF DRIVEN SE, MINE PROBABLY DEVELOPED OXIDIZED ORE NEAR AXIS OF ASPEN MTN SYNCLINE PROBABLY ON CONTACT AND SILVER FAULTS.
References
Reference (Deposit): SPURR, J. E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31
Reference (Deposit): BRYANT, BRUCE, 1971, GEOLOGIC MAP OF THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP GQ-933.
Reference (Deposit): BRYANT, BRUCE, 1972, MAP SHOWING MINES, PROSPECTS, AND AREAS OF SIGNIFICANT SILVER, LEAD, AND ZINC PRODUCTION IN THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP I-785-D
Reference (Deposit): BLM MINERAL SURVEYS MS 1601, 1602, 2047, 4279
Reference (Production): COLO, DIV. MINES ANN. OPERATOR REPTS.
Colorado Mining Photos
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