1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Sarah G. Claim

Occurrence in La Plata county in Colorado, United States with commodities Silver, Copper, Lead, Gold, Zinc
Map
XML
JSON
KML
B
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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10094664
MRDS ID D010868
Record type Site
Current site name Sarah G. Claim
Alternate or previous names Patented Claim: Sarah G., Ms 20762
Related records 10166361

Geographic coordinates

Geographic coordinates: -107.80953, 37.62612 (WGS84)
Elevation 2694
Location accuracy 100(meters)
Relative position 14.6 MILES S 32 W FROM SILVERTON

Site location context

Political divisions (FIPS codes)

La Plata(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Engineer Mountain(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 La Plata

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 039N 009W 24,25 SE OF SE OF SW (24); N2 OF NW OF NE (25); N2 OF NE OF NE OF NW (25) Colorado

Comments on the location information

  • (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). ON EAST SIDE OF UPPER LITTLE CASCADE CREEK JUST SOUTH OF PURGATORY CAMPGROUND AND COLUMBINE RANGER STATION, 0.7 MILE NNW OF COLUMBINE LAKE. ; INFO FROM LAND.ST :1974

Commodities

Commodity Importance
Silver Primary
Copper Primary
Lead Primary
Gold Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Calcite Gangue
Hematite Gangue
Malachite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation Of Cu Sulfide And Fe Minerals

Analytical data

Result CHIP SAMPLE OF HEMATITE-STAINED QUARTZ AND LIMESTONE WITH CALCITE, AZURITE, AND MALACHITE CONTAINED 4.6 OZ/TON AG, 0.03% CU, 0.02% PB, 0.04% ZN. SELECTED DUMP SAMPLE OF SULFIDES AND CU CARBONATES CONTAINED 28.0. OZ/TON AG, 0.012 OZ/TON AU, 0.13% CU, 0.14% PB, 0.14% ZN. SELECTED SAMPLE OF BRECCIATED LIMESTONE AND QUARTZ FROM ORE STOCKPILE CONTAINED 10.3 OZ/TON AG, 0.08% CU, 0.11% PB, 0.01% ZN.

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 > Monzonite
    Rock unit name Monzonite Porphyry;Quartz Trachyte
    Rock description Monzonite Porphyry;Quartz Trachyte
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Trachyte
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Ouray Limestone;Leadville Limestone
    Rock description Ouray Limestone;Leadville Limestone

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Uplift
Type of structure Local
Structure description Needle Mtns Uplift

Controls for ore emplacement

  • Fault Zone Cutting Limestones

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1953
Discoverer Charles S. Goulding (Claimant)

Mining district

District name Cascade District

Land status

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

Ownership information

  • Type Operator
    Owner Bailey And Fife
    Home office Grants, N.M.
    First year 1970
  • Type Owner
    Owner Thomas Fife
    Home office Grants, N.M.
    First year 1970

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 22.86M

Comments on the workings information

  • ONE CAVED ADIT HEADING GENERALLY EAST, EXTENT UNKNOWN; TWO SHAFTS, 75 AND 20 FT DEEP; 100 FT X 10 FT OPEN CUT, 15 FT DEEP.

Comments on development

  • APPARENTLY ONLY EXPLORATION AND DEVELOPMENT, BUT IN 1961-62, AND 1964 ORE WAS MINED BUT NOT SHIPPED.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit TUNNEL DRIVEN TO EXPLORE FAULT ZONE IN EITHER WEST-OR WNW-DIPPING OURAY OR LEADVILLE LIMESTONES ON WEST FLANK OF NEEDLE MTNS UPLIFT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-83 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative Colorado resources

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