Herman Passiflora Mine

The Herman Passiflora Mine is a silver and lead mine located in Custer county, Colorado at an elevation of 7,900 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

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.

Site Name

Primary: Herman Passiflora Mine
Secondary: Shafts: Vidler, Edman, Baker, Rey, Blunt
Secondary: Denver Lease, Claims: Thames River, Ten To One

Commodity

Primary: Silver
Primary: Lead
Secondary: Copper
Secondary: Gold
Secondary: Iron

Location

State: Colorado
County: Custer
District: Silver Cliff

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

Type: Underground

Ownership

Owner Name: J. D. Blunt
Years: 1963 -

Owner Name: Cotter Corp.
Home Office: Denver, Co.
Years: 1963 -

Production

Year: 1953
Time Period: 1926-1929
Mined: 136.000 mt
Material type: ore

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Discovery Year: 1895
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: Epithermal veins

Orebody

Not available

Structure

Type: R
Description: Silver Cliff Volcanic Center, Wet Mountains, Wet Mtn Valley

Type: L
Description: Concentric Faults Of Ben West Hill

Alterations

Alteration Type: L
Alteration Text: Strong Argillization, Bleaching

Rocks

Name: Tuff
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene

Name: Tuff
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Tuff
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene

Name: Tuff
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Analytical Data

Analytical Data: PB 6-30%
Analytical Data: AG 15-100 OZ/TON
Analytical Data: AU 0.07 OZ/TON
Analytical Data: CU 2-9%

Materials

Ore: Galena
Ore: Chalcopyrite
Ore: Magnetite
Ore: Pyrite
Gangue: Illite
Gangue: Quartz
Gangue: Jarosite

Comments

Comment (Commodity): TOTAL PRODUCTION ABOUT $350,000

Comment (Location): ON NORTHWEST SIDE OF BEN WEST HILL ACCORDING TO ONE REPORT THIS IS THE SAME AS THE SONGBIRD MINE, BUT LOCATIONS DIFFER ; INFO FROM LAND.ST :(1976)

References

Reference (Deposit): CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.

Reference (Deposit): FIELDMAN, D.W. AND CROWLEY, F.P., 1980, SILVER DEPOSITS IN THE SOUTHERN PORTION OF THE SILVER CLIFF CALDERA, IN SILVER CLIFF VOLCANIC CENTER AND TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS GUIDEBOOK, P. 1-14.

Reference (Deposit): SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081.

Reference (Deposit): COLORADO DIVISION MINES, 1981, INSPECT RECORDS

Colorado Mining Photos

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.