Sally Bowman Mine

The Sally Bowman Mine is a silver and gold mine located in San Juan county, Colorado at an elevation of 8,599 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: Sally Bowman Mine  

State:  Colorado

County:  San Juan

Elevation: 8,599 Feet (2,621 Meters)

Commodity: Silver, Gold

Lat, Long: 37.64444, -107.68722

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 Sally Bowman Mine

Sally Bowman Mine MRDS details

Site Name

Primary: Sally Bowman Mine
Secondary: Patented Claims: Sallie Bowman, MS 11511
Secondary: Morse, MS 11512


Commodity

Primary: Silver
Primary: Gold


Location

State: Colorado
County: San Juan
District: Needleton Area


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.
Administrative Organization: San Juan N. F.


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1897
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: Polymetallic replacement


Orebody

Not available


Structure

Type: R
Description: San Juan Uplift

Type: L
Description: Needle Mtns Uplift, Eolus Batholith, Tenmile Stock


Alterations

Not available


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Analytical Data: PYRITE, QUARTZ, AND SULFIDE STAIN FROM LOWER DUMP CONTAINED 0.5 OZ/TON AG.
Analytical Data: PYRITE, QUARTZ, LIMONITE AND SULFIDE STAIN FROM FAULT ZONE AT LOWER ADIT CONTAINED 0.3 OZ/TON AG
Analytical Data: LIMONITE, PYRITE, AND QUARTZ FROM UPPER DUMP CONTAINED 1.0 OZ/TON AG AND 0.022 OZ/TON AU
Analytical Data: SCOTT'S (1983) ANALYSES OF SAMPLES: PYRITE, QUARTZ, AND SULFIDE STAIN FROM FAULT ZONE AT UPPER PORTAL CONTAINED 0.6 OZ/TON AG


Materials

Ore: Pyrite
Gangue: Limonite
Gangue: Quartz


Comments

Comment (Deposit): PATENTED CLAIMS ORIGINALLY ASSIGNED TO ANIMAS DISTRICT, BUT PROPERTY IS SUFFICIENTLY REMOVED AND OF DIFFERENT MINERALIZED CHARACTER FROM ANIMAS DISTRICT PROPER THAT IT IS ARBITRARILY ASSIGNED TO NEEDLETON AREA. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Location): (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). ON WEST SIDE OF ANIMAS RIVER APPROX 1000 FT NE OF NEEDLETON SIDING IN UNSURVEYED SECTION. ; INFO FROM LAND.ST :1977

Comment (Deposit): MINERALIZATION OCCURS IN VEIN IN A PRESUMABLY WNW-TRENDING FAULT ZONE CUTTING ACROSS GENERALLY NE TREND OF GNEISSIC FOLIATION IN IRVING FM. EOLUS BATHOLITH LOCATED 1.5 MILES TO EAST, AND TENMILE STOCK IMMEDIATELY TO NORTH.

Comment (Workings): TWO TUNNELS, CAVED, OF UNKNOWN EXTENT DRIVEN GENERALLY ESE


References

Reference (Deposit): SCOTT, D.C., 1983, MINERAL INVESTIGATION OF THE WEST NEEDLE WILDERNESS STUDY AREA AND THE BLM WEST NEEDLE CONTIGOUS WILDERNESS STUDY AREA, LA PLATA AND SAN JUAN COUNTIES, COLORADO: USBM MLA 35-83, P. 9, 19-20.

Reference (Deposit): BARKER, FRED, 1969, PRECAMBRIAN GEOLOGY OF THE NEEDLE MOUNTAINS, SOUTHWESTERN COLORADO: USGS PROF. PAPER 644-A.

Reference (Deposit): CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.

Reference (Deposit): BLM MINERAL SURVEYS MS 11511, 11512


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.