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

Unnamed Adit/Trench

Prospect in Graham county in Arizona, United States with commodities Gold, Lead
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10161423
MAS/MILS ID 0040090370
Record type Site
Current site name Unnamed Adit/Trench

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -109.76376, 32.58541 (WGS84)
Elevation 1424
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Graham(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stockton Pass(quadrangle 1:24,000 scale)

Safford(quadrangle 1:100,000 scale)

Silver City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gila-San Carlos Reservoir(hydrologic unit)

Upper Gila(hydrologic accounting unit)

Upper Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado 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 Arizona Graham

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 010 S 025 E 02 SW Arizona

Commodities

Commodity Importance
Gold Primary
Lead Secondary

Nearby scientific data

Main Entrance (1) -109.76376, 32.58541
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    USGS STOCKTON PASS QUAD

  • Deposit

    BROWN, S. D., 1993, MINERAL APPRAISAL OF THE CORONADO

  • Deposit

    NATIONAL FOREST, PART 1, PINALENO-GREASEWOOD MOUNTAINS

  • Deposit

    UNIT, GRAHAM COUNTY, ARIZONA: USBM OPEN-FILE REPORT

  • Deposit

    MLA 8-93, 76 P.

General comments

Subject category Comment text
Deposit ADIT, 100 FT LONG WITH STOPE TO SURFACE, JOINS TRENCH 40 FT LONG, 10 FT DEEP. PROMINENT FAULT IN PRECAMBRIAN GRANITE, STRIKE N. 38 E., VERTICAL DIP; FRACTURED, ALTERED GRANITE, CLAYEY GOUGE, QUARTZ STRINGERS AND FRAGMENTS, PYRITE AND GALENA. OF 4 SAMPLES FROM THE STRUCTURE, 2 HAD GOLD CONCENTRATIONS OF 2,730 AND 2,600 PPB; THE AVERAGE WAS 1,350 PPB GOLD. THE AVERAGE ASSAY FOR COPPER WAS 353 PPM, FOR LEAD, 1,570 PPM, AND FOR ZINC, 312 PPM.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-JUL-1993 Brown, Don U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site

Authoritative Arizona resources

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