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Black Dragon Group

Past Producer in Pima county in Arizona, United States with commodity Manganese
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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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  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 10103748
MRDS ID M050260
Record type Site
Current site name Black Dragon Group
Related records 10258931

Geographic coordinates

Geographic coordinates: -111.61014, 31.85345 (WGS84)
Elevation 1219
Relative position 3.7 MILES NORTHEAST OF ALISON CAMP; LOCATION MINES IS UNCERTAIN.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Baboquivari Peak(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Simon Wash(hydrologic unit)

Rio Sonoyta(hydrologic accounting unit)

Sonora(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 018S 007E 15,22 Arizona

Comments on the location information

  • TOWNSHIP AND RANGE UNSURVEYED; QUADRANGLE MAP WAS PUBLISHED IN 1941; MINES ARE NOT SHOWN.

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Pyrolusite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Mulberry Wash Formation-Upper-Volcanics;Pitoikam Formation-Lower-Sh. Ss, Cong. Etc
    Rock description Mulberry Wash Formation-Upper-Volcanics;Pitoikam Formation-Lower-Sh. Ss, Cong. Etc

Nearby scientific data

(1) -111.61014, 31.85345
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Block Faulting. ; Reg.Trends: Nw Faults - Earler
Type of structure Local
Structure description Ne Fracture Zone

Ore body information

  • General form IRREGULAR FRACTURE FILLINGS
    Length 609.6M
    Width 91.44M

Controls for ore emplacement

  • North-South Trending Fracture Zone.

Comments on the geologic information

  • GEOL.DESC: FAIR (1965) SAYS MANGANESE IS IN BRECCIA ZONE ALONG UNCONFORMITY.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1952
Discoverer Wm. H. Coplen
Year of first production 1953
Production years 1953-1955

Production statistics

  • Year 1953
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^28.6% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 29wt-pct
  • Year 1954
    Material ORE MN
    Accuracy Accurate
    Description Ap_Grade: ^24.7% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Manganese Manganese 25wt-pct
  • Year 1955
    Material CONC MN
    Accuracy Accurate
    Description Ap_Grade: ^36.0% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Conc. Manganese Manganese 36wt-pct

Comments on the production information

  • ALL EQUIPMENT WAS REMOVED FROM PROPERTY PRIOR TO MAY 1956.

Workings at the site

  • Type of workings Surface
    Overall length 36.58M
    Overall width 3.05M

Comments on the workings information

  • OPEN CUT FOLLOWED MORE INTENSELY MINERALIZED FRACTURES; OTHER WORKINGS ARE PITS AND 30-FOOT SHAFT.

Comments on development

  • MINE WORKED BY COPLEN, BLACK DRAGON MINING CO. AND ARIZONA MATERIALS AND SERVICE CO. (BISBEE) BETWEEN 1952-1956

Reference information

Bibliographic references

  • Deposit

    FARNHAM, STEWART, AND DELONG, 1961, USBM IC 7990.

  • Deposit

    FAIR C.L. 1965, GEOLOGY OF FRESNAL CANYON AREA: UNIV. ARIZ. PH.D. THESIS.

  • Deposit

    NOWLAN, G.A., HAXEL, G.B., HANNA, W.F., PITKIN, J.A., DIVELEY-WHITE, D.V., MCDONNELL, J.R., JR., AND LUNDBY, WILLIAM, 1989, MINERAL RESOURCES OF THE BABOQUIVARI PEAK AND COYOTE MOUNTAINS WILDERNESS STUDY AREAS, PIMA COUNTY, ARIZONA: U.S. GEOLOGICAL SURVEY BULLETIN 1702, 30 P.

  • Deposit

    1956 RECON U.S.B.M. IC 7990

  • Deposit

    FARNHAM, STEWART, AND DELONG, 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: USBM INF. CIRC. 7990

  • Other Database

    CIMRI

  • Production

    USBM IC 7990

General comments

Subject category Comment text
Deposit DISCONTINUOUS LENSES, COATINGS, AND FRACTURE-FILLINGS OF MANGANESE OXIDES IN SHEARED AND BRECCIATED RHYOLITIC ROCKS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-MAR-1993 Orris, Greta J. 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.