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Edna Mine Group

Past Producer in Santa Cruz county in Arizona, United States with commodities Tungsten, Molybdenum, Copper
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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. Mining district
  15. Land status
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10102397
MRDS ID M000232
Record type Site
Current site name Edna Mine Group
Alternate or previous names Martha Washington
Related records 10137788

Geographic coordinates

Geographic coordinates: -110.76928, 31.35708 (WGS84)
Elevation 1463
Relative position 2 MI N OF MEXICAN BORDER, ABOUT 8 MI E OF NOGALES.

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kino Springs(quadrangle 1:24,000 scale)

Nogales(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)

Federal lands

Coronado National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Santa Cruz

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 024S 015E 12 NE4 Arizona

Comments on the location information

  • INFO FROM LAND.ST :1979

Commodities

Commodity Importance
Tungsten Critical Primary
Molybdenum Tertiary
Copper Tertiary

Materials information

Materials Type of material
Copper Ore
Molybdenite Ore
Scheelite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -110.76928, 31.35708
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description E-W & Ne-Trending Quartz Veins And Associated Bands Of Crushed, Mineralized Rock In Fault Fissures Cutting Diorite And Quartz Monzonite.
Type of structure Local
Structure description Shear Zone Cutting Granite

Ore body information

  • General form POCKETS
    Strike N30W
    Dip 34 NE

Controls for ore emplacement

  • Shear Zone Cutting Jur Granite At Contact Of Quartz Monzonite

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1914
Year of first production 1914
Year of last production 1971
Production years 1914, 1968-1971, OTHER

Mining district

District name Patagonia District

Land status

Ownership category Private

Production statistics

  • Year 1971
    Period 1968-1971
    Material W03 ORE
    Accuracy Accurate
    Description Cp_Grade: ^1.3% W03
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Ore Tungsten Tungsten 1wt-pct

Comments on the production information

  • KNOWN AND DEVELOPED PRIOR TO 1914 BUT PRODUCED MAINLY IN 1968-1971.

Comments on the workings information

  • ADIT & OPEN CUT OPERATIONS

Comments on development

  • PREVIOUS OWNERS INCLUDE JULIO, CORONADO MINES INC, DISCOVERY PROCESS INC, RANDALL

Reference information

Bibliographic references

  • Deposit

    KEITH, 1975, ABM BULL 191, P. 7.6

  • Deposit

    DALE ET AL, 1960, USBM RI 5650.

  • Deposit

    ABGMT FILE DATA.

  • Deposit

    USBM FILES, EDNA GROUP.

  • Deposit

    SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: UNITED STATES BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

  • Other Database

    CIMRI

  • Production

    KEITH, 1975.

General comments

Subject category Comment text
Deposit QUARTZ & GOUGE POCKETS HAVE ORE MINERALS, SCHEELITE SPORADIC, CU & MO MINERALS MINOR.
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M000232 WITH RECORD M030401 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1983 Peterson, Jocelyn A. U.S. Geological Survey
Updater 01-MAY-1982 Calder, Susan R. Arizona Bureau of Geology and Mineral Technology
Updater 01-NOV-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.