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

Backbone Mine

Producer in Pima county in Arizona, United States with commodities Gold, Silver, Lead, Copper, 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. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10039620
MRDS ID M050510
Record type Site
Current site name Backbone Mine
Related records 10184054

Geographic coordinates

Geographic coordinates: -111.3418, 31.61457 (WGS84)
Elevation 1204
Relative position 3 MILES N OF ARIVACA

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Arivaca(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brawley Wash(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 021S 010E 08 Arizona

Comments on the location information

  • CENTRAL SECTION 8 .

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore

Alteration

  • (Local) Oxidation

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -111.3418, 31.61457
ListMap

Economic information

Ore body information

  • General form IRREGULAR LENSES

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1932
Year of last production 1942

Mining district

District name Amado District

Production statistics

  • Year 1945
    Period 1930 - 1945
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^0.5 Oz Au/Ton, 0.8 Oz Ag/Ton, Trace Cu, 1 % Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 1wt-pct
    Major Ore Silver Silver 23g/mt
    Minor Ore Gold Gold 14g/mt

Comments on the production information

  • PRODUCTION FROM 1930'S INTO 1940'S. ZINC NOT RECOVERED

Workings at the site

  • Type of workings Underground
    Length 91.44M
    Overall depth 41.15M

Comments on the workings information

  • SHAFT WORKINGS

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 104

  • Production

    ( 8 ) ABM BULLETIN 189 , P. 104 .

General comments

Subject category Comment text
Deposit NEAR SURFACE ENRICHMENT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1979 Johnson, Kris H. (Creasey, S.C.) U.S. 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 Arizona resources

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