Seventy-Nine Mine

Producer in Gila county in Arizona, United States with commodities Lead, Zinc, Copper, Silver, Semiprecious Gemstone, Gold, Molybdenum, Antimony, Vanadium, Iron

Geologic information

Identification information

Deposit ID 10026845
MRDS ID M000500
Record type Site
Current site name Seventy-Nine Mine
Alternate or previous names 79 Mine

Geographic coordinates

Geographic coordinates: -110.81458, 33.06509 (WGS84)
Relative position 4.5 MI NNW OF HAYDEN, 2 MI NW OF TORONADO PEAK.
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Geographic areas

Country State County
United States Arizona Gila

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 004S 015E 21,28 SE4 (21) Arizona

Comments on the location information

  • IN DRIPPING SPRINGS MOUNTAINS.

Commodities

Commodity Importance
Lead Primary
Zinc Primary
Copper Primary
Silver Secondary
Semiprecious Gemstone Secondary
Gold Secondary
Molybdenum Tertiary
Antimony Tertiary
Vanadium Tertiary
Iron Tertiary

Comments on the commodity information

  • THE WULFENITE IS FRAGILE AND TRANSPARENT YELLOW CRYSTALS UP TO TWO INCHES ACROSS. THE ROSASITE OCCURS AS CLOSELY CLUSTERED HAIRS OF A HANDSOME GREEN-BLUE.

Materials information

Materials Type of material
Anglesite Ore
Aurichalcite Ore
Brochantite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Galena Ore
Hemimorphite Ore
Malachite Ore
Molybdenite Ore
Pyrite Ore
Rosasite Ore
Sphalerite Ore
Wulfenite Ore
Calcite Gangue
Dolomite Gangue
Goethite Gangue
Gypsum Gangue
Hematite Gangue
Jarosite Gangue
Limonite Gangue
Manganite Gangue
Psilomelane Gangue
Quartz Gangue
Wad Gangue

Alteration

  • (Local) Gossan Above Orebody, Deep Oxidation,

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Naco Limestone;
    Rock description Naco Limestone;
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -110.81458, 33.06509

Geologic structures

Type of structure Local
Structure description High Angle Faults Trending N60-70e, N-S Faults

Ore body information

  • General form TABULAR
    Strike N75E
    Dip 40S
    Thickness 15.24M
    Depth to bottom 152.4M
    Depth to top 0M
    Width 12.19M
    Length 335.28M

Controls for ore emplacement

  • Fractures & Pre Ore Channelways, Favorable Rock Type, Silicate Altered Rhyolite

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Both metallic and non-metallic
Deposit size Small
Significant No
Discovery year 1879
Discoverer Mike & Pat O'Brien
Discovery method Ore-Mineral In Place
Year of first production 1920
Year of last production 1962

Mining district

District name Banner District

Land status

Ownership category Federal

Ownership information

  • Type Operator
    Owner John Mediz, Copper City Rock Shop
    First year 1992
  • Type Owner
    Owner Acm Corp.
    First year 1967

Comments on the production information

  • TOTAL PRODUCTION VALUED BETWEEN $3-4 MILLION

Workings at the site

  • Type of workings Underground
    Length 3048M
    Overall depth 137.16M

Comments on the workings information

  • PRINCIPAL DEVELOPMENT IS SHAFT 450 FT DEEP ON THE MASSIVE PYRITE ORE BODY; THERE IS ALSO A SHORT EXPLORATORY SHAFT AND A WINZE OF 155 F T

Comments on development

  • PREVIOUS OWNERS AND OPERATORS INCLUDE CONTINENTAL COMMISSION CO ( 1919-1922, 1923-1926), SEVENTY-NINE MINING CO (1922), SEVENTY-NINE LEAD-COPPER CO (1928), SHATTUCK DENN MINING CORP (1940-1949), CALLAHAN ZINC-LEAD CO (1950), GRISSON MINES.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M000500
U.S. Bureau of Mines Minerals Availability System MAS 0040070701

Bibliographic references

  • Deposit

    WILSON, E.D., 1951, DRAGOON MOUNTAINS, IN ARIZONA LEAD AND ZINC DEPOSITS, PART II: ARIZONA BUREAU OF MINES BULL 158, P. 10-29.

  • Deposit

    ELSING, M.J., AND HEINEMAN, R.E.S., 1936, ARIZONA METAL PRODUCTION: ARIZONA BUREAU OF MINES BULL 140, 112 P.

  • Deposit

    KIERSCH, 1949, ECON GEOLOGY, V. 44, NO. 1, P. 24.

  • Deposit

    KEITH, 1972, MINERAL. RECORD, V. 3, NO. 6, P. 247-264.

  • Deposit

    ABGMT-USBM FILE DATA.

  • Deposit

    ADMR FILE DATA.

  • Deposit

    ROSS, C.P., 1925, USGS BULL. 771, P. 68.

  • Deposit

    NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.

  • Deposit

    BLAIR, GERRY, 1992, THE ROCKHOUND'S GUIDE TO ARIZONA: HELENA, MONTANA, FALCON PRESS, 165 P.

  • Deposit

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

  • Production

    ARIZONA BUREAU OF GEOLOGY FILE DATA; EASTLICK, 1968

General comments

Subject category Comment text
Deposit MINERALIZATION OCCURS IN FRACTURES OR BROKEN, THIN CALCAREOUS SHALE. 6 BEDDED ZONES WERE MINED. GALENA, SPALERITE, PYRITE, AND QUARTZ IN REPLACEMENT BODIES IN SHATTERED, ALTERNATING THIN BEDDED SHALE AND IMPURE LIMESTONE MEMBERS OF THE NACO FM AND AS SMALL DISCONTINUOUS VEIN REPLACEMENTS IN FRACTURED AND BRECCIATED PARTS OF A PROMINENT RHYOLITE PORPHYRY DIKE.
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M000500 WITH RECORD M030430 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS. THIS RECORD ALSO CONTAINS DATA FROM DUPLICATE RECORDS D000093 OF R.P. FISCHER AND TC38404 OF G.J. ORRIS. AS OF 1992, SITE IS CLOSED TO COLLECTORS. ; 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-MAR-1993 Orris, Greta J. U.S. Geological Survey