Sally Bowman Mine

Occurrence in San Juan county in Colorado, United States with commodities Silver, Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10014216
MRDS ID D010888
Record type Site
Current site name Sally Bowman Mine
Alternate or previous names Patented Claims: Sallie Bowman, MS 11511, Morse, MS 11512

Geographic coordinates

Geographic coordinates: -107.68786, 37.64445 (WGS84)
Elevation 2621
Relative position 11 MILES S 5 W FROM SILVERTON

Site location context

Political divisions (FIPS codes)

San Juan(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Snowdon Peak(quadrangle 1:24,000 scale)

Silverton(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Animas(hydrologic unit)

Upper San Juan(hydrologic accounting unit)

San Juan(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

San Juan National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado San Juan

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 039N 007W 18 NW OF SW Colorado

Comments on the location information

  • (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

Commodities

Commodity Importance
Silver Primary
Gold Primary

Materials information

Materials Type of material
Pyrite Ore
Limonite Gangue
Quartz Gangue

Analytical data

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

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Eolus Granite;Tenmile Granite
    Rock description Eolus Granite;Tenmile Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Irving Formation
    Rock description Irving Formation

Nearby scientific data

(1) -107.68786, 37.64445

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Uplift
Type of structure Local
Structure description Needle Mtns Uplift, Eolus Batholith, Tenmile Stock

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1897
Discoverer Treasury Consolidated Mining And Milling Co. (Claimant)

Mining district

District name Needleton Area

Land status

Ownership category National Forest
Area name San Juan N. F.

Comments on the workings information

  • TWO TUNNELS, CAVED, OF UNKNOWN EXTENT DRIVEN GENERALLY ESE

Reference information

Bibliographic references

General comments

Subject category Comment text
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.
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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1983 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.