Elephant Head Group

Past Producer in Santa Cruz county in Arizona, United States with commodities Lead, Silver, Copper, Zinc, Gold, Molybdenum
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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10037107
MRDS ID M030413
Record type Site
Current site name Elephant Head Group
Alternate or previous names Quantrell, Eureka Mines, Tremaine-Daniels Group
Related records 10137392

Geographic coordinates

Geographic coordinates: -110.92457, 31.71013 (WGS84)
Elevation 1615
Relative position 1.25 MI SE OF ELEPHANT HEAD (PETE MOUNTAIN).

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Hopkins(quadrangle 1:24,000 scale)

Fort Huachuca(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)

Mt. Wrightson Wilderness(Wilderness)

Wilderness 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 020S 014E 04,05,08 SW (04); SE (05); NE (08) Arizona

Comments on the location information

  • INFO FROM LAND.ST :1979

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Malachite Ore
Molybdenite Ore
Sphalerite Ore
Iron Gangue
Sericite Gangue

Alteration

  • (Local) Sericitized; Granite Stained By Iron And Copper Carbonates

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Gardner Canyon And Box Canyon Dike Swarms And Pluton
    Rock description Gardner Canyon And Box Canyon Dike Swarms And Pluton
    Stratigraphic age (youngest) Tertiary
    Chronological age 26
    Dating method K-Ar
    Stratigraphic age (youngest) Tertiary
    Chronological age 40
    Dating method Pb-Alpha
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Quantrell Stock Of Elephant Head Quartz Monzonite
    Rock description Quantrell Stock Of Elephant Head Quartz Monzonite
    Stratigraphic age (youngest) Tertiary
    Stratigraphic age (oldest) Cretaceous
    Chronological age 68
    Dating method K-Ar

Nearby scientific data

(1) -110.92457, 31.71013

Economic information

Geologic structures

Type of structure Regional
Structure description Ne-Trending Quartz Veins And Dikes In Madera-Agua Caliente Canyons, Dikes Range In Composition From Rhyolite To Diorite
Type of structure Local
Structure description Ne-Trending Chino Fault In Shear Zone At Head Of Chino Canyon; Fault Strikes N75e, Dips 835 And Offsets Rhyolite Dike

Ore body information

  • General form TABULAR, IRREGULAR
    Dip 80 N
    Width 0.46M

Controls for ore emplacement

  • Deposits Trend Ene On Dikes Of Dense Greenish-White Porphyritic Rhyolite Cutting Granite

Comments on the geologic information

  • SULFIDES IREGNATE GRANITE VERY NEAR SURFACE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1910
Discoverer Tremaine And Daniels

Mining district

District name Tyndall District

Land status

Ownership category National Forest
Area name Coronado National Forest

Production statistics

  • Year 1914
    Period 1900-1914
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^8% Pb, 3 Oz/Tag, Minor Cu, Zn, Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 85g/mt
    Trace Ore Lead Lead 8wt-pct

Comments on the production information

  • WORKED IN EARLY 1900'S AND IN 1913-1914.

Workings at the site

  • Type of workings Underground
    Length 457.2M

Comments on the workings information

  • ADIT AND 1500 FT TUNNEL, SHAFT.

Comments on development

  • PREVIOUS OWNERS/OPERATORS INCLE POWERS AND STOCTON, GARRETT AND PARKS, NEW STATE MINING CO, ELEPHANT HEAD MINIO; 26 CLAIMS

Reference information

Bibliographic references

  • Deposit

    KEITH, 1975, ABM BULL 191.

  • Deposit

    SCHRADER, 1915, USGS BULL 582.

  • Deposit

    DREWES, 1971, USGS MAP I-614.

  • Deposit

    ABGMT FILE DATA, STANTON B. KEITH.

  • Deposit

    ABGMT-USBM FILE DATA.

  • Deposit

    USBM FILES, ELEPHANT HEAD GROUP.

  • Deposit

    ADMR FILE DATA, ELEPHANT HEAD GROUP.

  • Deposit

    TENNEY, 1927-29, HISTORY OF MINING IN AZ, ABM, P. 319.

  • Production

    KEITH, 1975

General comments

Subject category Comment text
Deposit ON EUREKA CLAIM AT N END OF GROUP, AN 18 IN. QUARTZ VEIN IN GRANITE DIPS 80N, QUANTRELL CLAIM AT S END OF GROUP IS LOCATED ON A 25 FT BELT OF ALTERED SERICITIZED GRANITE ASSOCIATED WITH A 20 FT PORPHYRY DI KE.
Deposit THIS REPORT WAS TAKEN FROM RECORD M030413 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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.