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

James Group

Producer in Cochise county in Arizona, United States with commodities Tungsten, Lead, Copper, Zinc, Silver, Gold
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. 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. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10109616
MRDS ID M050512
Record type Site
Current site name James Group
Alternate or previous names Pomona, Emerald, Black Eagle, Pomono
Related records 10234033

Geographic coordinates

Geographic coordinates: -110.33233, 31.45458 (WGS84)
Elevation 2042
Relative position APPROX. UPPER BROWN CANYON ADJACENT TO MILITARY RES.

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Miller Peak(quadrangle 1:24,000 scale)

Nogales(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Miller Peak Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 23S 20E 05,08 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

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

Comments on the commodity information

  • 2 FEET OF "FAIR LEAD ORE" AT NORTH END OF MAIN ADIT.

Materials information

Materials Type of material
Galena Ore
Gold Ore
Scheelite Ore
Silver Ore
Calcite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Abrigo Formation; Martin Formation
    Rock description Abrigo Formation; Martin Formation

Nearby scientific data

(1) Jurassic granitic rocks
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Veins Are Essentially Parallel To Limestone, N40w, 25 W

Ore body information

  • General form VEINS, POCKETS
    Strike N 40 W
    Dip 15-40 SW
    Length 60.96M
    Width 3.05M

Controls for ore emplacement

  • High Grade Tungsten Pockets In Solution Cavities. . Intersections Of Nw And Northerly Fissures Are Favorable

Comments on the geologic information

  • ORE IN A QUARTZ VEIN AND IN POCKETS IN DEFORMED AND THRUST FAULTED LIMESTONE BEDS.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1945-47

Mining district

District name Hartford District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Border-Land Metals Co, Sierra Vista Mining Co

Comments on the production information

  • PRODUCED 450 TONS OF TUNGSTEN ORE IN 1918 AND INTERMITTENTLY SOME 120 TONS FROM 1945 TO 1963. SOME BASE METAL SULFIDES PRODUCED AS A BYPRODUCT. (FROM KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.

Workings at the site

  • Type of workings Unknown
    Length 152.4M

Comments on the workings information

  • ONE ADIT AND NUMEROUS DRIFTS, STOPES, AND OPEN CUTS

Comments on development

  • WORKED IN WWI BY J. KELLY, & BY H.S. JAMES 1927-1941

Reference information

Bibliographic references

  • Deposit

    DALE, ETAL, 1961, RI 5650

  • Deposit

    WILSON, E.D., 1941, ARIZONA BUREAU OF MINES BULLETIN148 P. 47.

  • Deposit

    KEITH, S.B., ARIZONA BUREAU OF MINES BULLETIN 187, 1973, P. 66.

  • Deposit

    ARIZONA DEPT OF MINERAL RESOURCES FILE DATA

  • Deposit

    WEBER, 1950, GEOLOGY OF THE EAST-CENTRAL PROTION OF THE HUACHUCA MOUNTAINS, UNIV OF ARIZ PHD THESIS, P. 150-154

  • Production

    DALE - RI 5650

General comments

Subject category Comment text
Deposit SCHEELITE NOT ASSOCIATED WITH LEAD - VEIN IS "OVER THRUST FAULT FISSURE". 4 UNPATENTED CLAIMS. NUMEROUS HIGH ANGLE CROSS VEINS ARE PRESENT. LEAD-ZINC MINERALS ARE IN AN ORE SHOOT CUT BY N10W FRACTURES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-NOV-1981 Gest, Don E. 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.