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
Elevation: 8,599 Feet (2,621 Meters)
Commodity: Silver, Gold
Lat, Long: 37.64444, -107.68722
Map: View on Google Maps
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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
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