Tres De Mayo Mine Group

Past Producer in Santa Cruz county in Arizona, United States with commodities Silver, Lead, Copper, Gold, Zinc, Manganese, Molybdenum, Vanadium
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. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10102403
MRDS ID M000429
Record type Site
Current site name Tres De Mayo Mine Group
Alternate or previous names Peck, La Palma, Palmetto, Robert E. Bob Lee, Hassayampa, Hollywood, Union
Related records 10113534

Geographic coordinates

Geographic coordinates: -110.80207, 31.44597 (WGS84)
Elevation 1341
Relative position ABOUT 10 MI NE OF PATAGOMA; 2 MI NE OF NOGALES INTERNATIONAL AIRPO RT

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cumero Canyon(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 023S 015E 03,10 SW OF SW (03); N2 (10) Arizona

Comments on the location information

  • ON S SIDE OF FRESNO CANYON, 1 MI NE OF J ARILLAS MINE GROUP. ; INFO FROM LAND.ST :1979

Commodities

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

Materials information

Materials Type of material
Argentite Ore
Cerargyrite Ore
Chalcopyrite Ore
Gold Ore
Malachite Ore
Sphalerite Ore
Wulfenite Ore
Psilomelane Gangue
Quartz Gangue

Alteration

  • (Local) Surface Oxidation To 90 Ft Depth; Diorite Near Contact Is Both Chl Oritized And Epidotized

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Comoro Canyon Granite
    Rock description Comoro Canyon Granite
    Stratigraphic age (youngest) Jurassic
    Chronological age 160
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite

Nearby scientific data

(1) -110.80207, 31.44597

Economic information

Geologic structures

Type of structure Regional
Structure description Deposits Occur In Quartz Fissure Veins, Near Or Adjacent To Diorite Intrusions Which Form Small Disconnected Sheets And Dikes
Type of structure Local
Structure description Ne Fracture Zone; Major Fault Passes Through Area

Ore body information

  • General form LENSES, TABULAR, IRREGULAR, BANDS AND PODS
    Strike N80W
    Dip STEEP TO S

Controls for ore emplacement

  • Fissure Veins, Ne Fracture Zone; N-S Trending Fault Zone Contains M Assive Bands And Pods Of Manganese Oxide

Comments on the geologic information

  • NARROW BANDS OF MANGANESE ALSO FOUND WITHIN TRES DE MAYO VEIN AND IN ADJACENT WALL ROCK

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1880
Discoverer A.J. Stockton And Associates
Year of first production 1909
Year of last production 1942

Mining district

District name Palmetto District

Land status

Ownership category National Forest
Area name Coronado National Forest

Ownership information

  • Type Operator
    Owner General Development And Mining Co. Tres De Mayo Mine); Frank Otero And Rupert Beyerle
    First year 1958
  • Type Owner
    Owner Arthur Peck And Frank Otero
    First year 1975

Production statistics

  • Year 1942
    Period 1910-1942
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^70 Oz/T Ag, 25% Pb, Minor Cu & Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 25wt-pct
    Major Ore Silver Silver 1976g/mt

Workings at the site

  • Type of workings Underground
    Overall depth 165.2M

Comments on the workings information

  • SHAFT OPERATION. WORKINGS INCLUDED THE 542-FT VERTICAL TRES DE MA YO SHAFT AND SEVERAL LEVELS; 4TH LEVEL HAS TOTAL OF 420 FT OF DRIFTS A ND CROSSCUTS

Comments on development

  • WORKED BY MEXICANS PRIOR TO 1880. PREVIOUS OWNERS/OPERATORS INCLU DE STOCKTON, BACKMAN & MERRITT MINES CO (1918-20), MONARCH MINING & MI LLING CO (1922), TAFT MINING & EXPLORATION CO (1928), MELVILLE SYNDICA TE (1929-30), NEWCOMER (1938-41), CUMMINGS (1942), PECK AND SALMANDO ( 1910), HUNTER (1923); 7 UNPATENTED CLAIMS IN 1958 (27 UNPATENTED CLAIM S IN 1923

Reference information

Bibliographic references

  • Deposit

    KEITH, 1975, ABM BULL 191

  • Deposit

    SCHRADER, 1915, USGS BULL 582

  • Deposit

    MOGER, 1969, MS THESIS, UNIV OF AZ

  • Deposit

    SIMONS, 1974, USGS MAP I-762

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    USBM FILES, TRES DE MAYO MINE GROUP

  • Deposit

    ADMR FILE DATA, TRES DE MAYO MINE

  • Deposit

    ABGMT CLIPPINGS FILE, TRES DE MAYO PROPERTY

  • Deposit

    ABGMT FILES, STANTON B. KEITH

  • Other Database

    CIMRI

  • Production

    KEITH, 1975

General comments

Subject category Comment text
Deposit RICH CERARGYRITE POCKETS. LENSES OF GALENA IN A QUARTZ-PSILOMELAN E-GOUGE GANGUE IN FISSURE ZONE VEINS. NE STRIKING FRACTURES CONTAIN WE AK OXIDIZED SULFIDE MINERALIZATION. DEPOSITS OCCUR MAINLY IN 2 VEINS A BOUT 300 FT APART; 4 FT WIDE MN VEIN ALSO OCCURS ON PROPERTY; 20 FT WI DE FAULT ZONE THAT STRIKES N-S & DIPS STEEPLY W INTERSECTS TRES DE MAY O VEIN ABOUT 600 FT NW OF TRES DE MAYO SHAFT; BETWEEN FAULT AND VEIN A RE NUMEROUS MINOR FISSURES STRIKING N30-65W
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M000429 WITH RE CORD M030394 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEOD ORE, 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

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.