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Plumed Knight Mine

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

Geologic information

Identification information

Deposit ID 10039576
MRDS ID M050360
Record type Site
Current site name Plumed Knight Mine
Related records 10186608

Geographic coordinates

Geographic coordinates: -111.08513, 31.98512 (WGS84)
Elevation 1036
Relative position 6 MILES N OF TWIN BUTTES

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Twin Buttes(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

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 012E 02 Arizona

Comments on the location information

  • NE 1/4 SECTION 2

Commodities

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

Materials information

Materials Type of material
Copper Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -111.08513, 31.98512
ListMap

Economic information

Ore body information

  • General form IRREGULAR LENSES
    Depth to bottom 106.68M

Controls for ore emplacement

  • Replacement Along Fissured Bedding Planes , In Limestone At Or Near Contact

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1907
Year of last production 1919

Mining district

District name Pima District

Ownership information

  • Type Operator
    Owner H. Wheaton, R. Nicolai
    Home office Box 1948, Tucson, Az.
    First year 1943

Production statistics

  • Year 1956
    Period 1907 - 1956
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^3.5 % Cu, 1 Oz Ag/Ton, 0.4 % Zn, 0.2 % Pb, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 0wt-pct
    Major Ore Zinc Zinc 0wt-pct
    Major Ore Silver Silver 28g/mt
    Major Ore Copper Copper 4wt-pct

Comments on the production information

  • WORKED SPORADICALLY FROM 1907 THROUGH 1919 AND IN 1947 AND 1956 . MOST CU PRODUCED ABOVE 150 FOOT-LEVEL.

Workings at the site

  • Type of workings Underground
    Overall depth 106.68M

Comments on the workings information

  • SHAFT OPERATIONS

Comments on development

  • WORKED IN 1947 AND 1956 WITHOUT PRODUCING

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 137 .

  • Deposit

    RANSOME, F. L., 1922 , ORE DEPOSITS OF THE SIERRITA MTNS., PIMA COUNTY, ARIZONA: USGS BULLETIN 725 , 419 - 21 .

  • Production

    ABM BULLETIN 189 , P. 137 .

General comments

Subject category Comment text
Deposit WEAKER SULPHIDES IN DEPTH

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1972 Theodore, Ted G. U.S. Geological Survey
Updater 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.

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.