Woodmansee Mine

The Woodmansee Mine is a zinc, lead, and silver mine located in Saguache county, Colorado at an elevation of 10,200 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

Name: Woodmansee Mine  

State:  Colorado

County:  Saguache

Elevation: 10,200 Feet (3,109 Meters)

Commodity: Zinc, Lead, Silver

Lat, Long: 38.01389, -106.97194

Map: View on Google Maps

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.


Satelite image of the Woodmansee Mine

Woodmansee Mine MRDS details

Site Name

Primary: Woodmansee Mine


Commodity

Primary: Zinc
Primary: Lead
Primary: Silver
Secondary: Copper
Secondary: Gold
Tertiary: Cadmium
Tertiary: Antimony


Location

State: Colorado
County: Saguache
District: Bondholder 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

Not available


Ownership

Owner Name: Bonnez Mining Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
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: San Juan Volcanic Field, La Garita Caldera

Type: L
Description: La Garita Caldera, San Luis Caldera


Alterations

Not available


Rocks

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene

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

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

Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene


Analytical Data

Analytical Data: STEVEN AND BIENIEWSKI RAN SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSES ON GRAB AND CHIP SAMPLES FROM VARIOUS DUMPS IN MINE AREA. EACH SET OF VALUES IS SAMPLE NUMBER, % FE, % MG, % CA, % TI, PPM MN, PPM AG, PPM BA, PPM CO, PPM CR, PPM CU, PPM MO, PPM NI, PPM PB, PPM SR, PPM V, PPM ZN, PPM ZR, AND VARIOUS FIRE ASSAYS FOR BASE AND PRECIOUS AND OTHER METALS (LT=LESS THAN, TR=TRACE): NO. 53, 3, 0.07, 0.2, 0.07, 2000, 1500, 700, 200, 5, 10, 2000, 15, 5, GT 20,000, 100, 10, GT 10000, 70, 0.01 OZ/TON AU, 42.90 OZ/TON AG, 0.130% CU, 8.60% PB, 12.30% ZN, 0.052% CD, 0.093% SB
Analytical Data: NO. 54, 2, 0.2, 0.2, 0.2, 500, 150, 300, 5, 15, 50, 7, 5, 5000, 100, 30, 2000, 200, 0 AU, 0.08 OZ/TON AG, 1.04% PB, 0.05% ZN: NO. 55, 2, 0.1, 0.1, 0.1, 1000, 1000, 200, 5, 15, 700, 15, 5, 10000, LT 100, 10, GT 10000, 100, 0 AU, 0.30 OZ/TON AG, 0.040% CU, 0.18% PB, 0.08% ZN, 0.003% CD, 0.022% SB. NO. 53 IS CHIP SAMPLE FROM QUARTZ VEIN, NO. 54 IS GRAB SAMPLE FROM DUMP, NO. 55 IS SAMPLE OF MINERALIZED TUFF.


Materials

Ore: Sphalerite
Ore: Galena


Comments

Comment (Location): ALONG EAST SIDE OF SPRING CR. IN UNSURVEYED SECTION. LAT-LONG IS APPROX. CENTER OF SW SIDE OF CLAIM BLOCK. ; INFO FROM LAND.ST :1976; PREVIOUS QUAD DESIGNATION = MONTROSE 1:250000

Comment (Deposit): IRREGULARLY SILICIFIED VEINS CONTAIN ERRATIC LOW-GRADE QUARTZ-PYRITE OR QUARTZ-SULFIDE MINERALIZATION. NO PERSISTENT MINERALIZING STRUCTURAL ZONE. VEIN TRENDS N20E, 60 SE

Comment (Workings): TUNNEL DRIVEN NORTH OR NE FOR 600 FT. WINZE OF UNKNOWN DEPTH SUNK AT POINT 400 FT FROM PORTAL


References

Reference (Deposit): STEVEN, T.A., AND BIENIEWSKI, C.L., 1977, MINERAL RESOURCES OF THE LA GARITA WILDERNESS, SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS BULL. 1420, ANALYSES 53, 54, AND 55


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

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