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

Big Johnny - Little Johnny Claims

Past Producer in Pima county in Arizona, United States with commodities Silver, Lead, Copper, Manganese, Gold, Molybdenum
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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10039653
MRDS ID M050577
Record type Site
Current site name Big Johnny - Little Johnny Claims
Related records 10186266

Geographic coordinates

Geographic coordinates: -111.29152, 31.92984 (WGS84)
Elevation 1105
Relative position 7 MI NE OF PALO ALTO RANCH.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stevens Mountain(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 017S 010E 23 S OF CENTER Arizona

Commodities

Commodity Importance
Silver Primary
Lead Primary
Copper Secondary
Manganese Critical Tertiary
Gold Tertiary
Molybdenum Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Wulfenite Ore

Alteration

  • (Local) Oxidized

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Escabrosa Limestone;Bisbee Group
    Rock description Escabrosa Limestone;Bisbee Group

Nearby scientific data

(1) -111.29152, 31.92984
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Nnw Fractures, Thrust Faults

Ore body information

  • General form LENSES

Controls for ore emplacement

  • Nnw Shear Zone Between Limestone And Quartzite; Fractured And Metamorphosed Limestone

Comments on the geologic information

  • SIMILAR TO AGUINALDO.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Papago District

Production statistics

  • Year 1937
    Period 1880-1937
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^20 Oz/T Ag With Good Pb, Minor Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 282g/mt

Comments on the production information

  • PRODUCTION BY CHLORIDERS IN LATE 1880'S, AND BY PROSPECTORS IN 193 7-1938

Comments on the workings information

  • SHAFTS AND PITS

Reference information

Bibliographic references

  • Deposit

    KEITH, 1974, ABM BULL 189, P. 132.

  • Deposit

    RANSOME, 1922, USGS BULL 725, P. 417.

  • Production

    ABM BULL 189

General comments

Subject category Comment text
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M050577 WITH RE CORD M030537 OF JAN WILT IN MOLYBDENUM FILE; CONTACT PERSON T.G. THEOD ORE, USGS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1983 Peterson, Jocelyn A. U.S. Geological Survey

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.