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  3. Mineral Resource Data System (MRDS)

Ballas Mine Area

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

Geologic information

Identification information

Deposit ID 10027155
MRDS ID M002305
Record type Site
Current site name Ballas Mine Area
Alternate or previous names Silver Screen, Ballas Silver-Lead
Related records 10235020

Geographic coordinates

Geographic coordinates: -112.14933, 32.13567 (WGS84)
Elevation 963
Relative position 2 MILES SW OF QUIJOTOA TRADING POST

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Maish Vaya(quadrangle 1:24,000 scale)

Ajo(quadrangle 1:100,000 scale)

Ajo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santa Rosa Wash(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 015S 002E 14 Arizona

Comments on the location information

  • NE 1/4 SECTION 14 . PAPAGO INDIAN RESERVATION.

Commodities

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

Materials information

Materials Type of material
Argentite Ore
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -112.14933, 32.13567
ListMap

Economic information

Ore body information

  • General form LENSES, IRREGULAR

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1885

Production statistics

  • Year 1977
    Period 1880 - 1977
    Accuracy Estimate
    Description Cp_Grade: ^200 Oz. Ag/Ton, 8 - 9 % Pb, 1 % Cu, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 2824g/mt
    Ore Copper Copper 1wt-pct
    Ore Lead Lead 9wt-pct

Comments on the production information

  • WORKED SPORADICALLY SINCE 1880'S

Comments on the workings information

  • NUMEROUS PROSPECTS AND A FEW MINES.

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 139 .

  • Deposit

    KAHLE, K., CONWAY, D., HAXEL, G., 1978 , PRELIMINARY GEOLOGIC MAP OF THE AJO 1 DEG. BY 2 DEG. QUAD., ARIZONA: USGS OPEN FILE REPORT 78 - 1096 .

  • Production

    ABM BULLETIN 189 , P. 139 .

General comments

Subject category Comment text
Deposit Discovery Year: 1880'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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.

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.