Mohawk-New Year Mine

Producer in Pinal county in Arizona, United States with commodities Lead, Copper, Silver, Gold, Molybdenum, Vanadium, Zinc
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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10048300
MRDS ID M899857
Record type Site
Current site name Mohawk-New Year Mine
Related records 10259460

Geographic coordinates

Geographic coordinates: -110.68207, 32.70399 (WGS84)
Elevation 990
Relative position 3.8 MILES SE OF SIGNAL PEAK (ELEVATION 4364).

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mammoth(quadrangle 1:24,000 scale)

Mammoth(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 008S 016E 26 NE OF SE OF SW Arizona

Comments on the location information

  • JUST SE OF THE MAMMOTH MINE. ; INFO FROM LAND.ST :(1978)

Commodities

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

Comments on the commodity information

  • GOLD IN QUARTZ. MOLYBDENUM TAKEN OUT OF THE MOHAWK WAS REPORTED UNDER MAMMOTH-ST. ANTHONY PRODUCTION.

Materials information

Materials Type of material
Anglesite Ore
Brochantite Ore
Calamine Ore
Chalcocite Ore
Chalcopyrite Ore
Cuprodescloizite Ore
Galena Ore
Gold Ore
Malachite Ore
Pyrite Ore
Pyrolusite Ore
Silver Ore
Sphalerite Ore
Vanadinite Ore
Wulfenite Ore
Calcite Gangue
Fluorite Gangue
Hematite Gangue
Limonite Gangue
Tourmaline Gangue

Alteration

  • (Local) Oxidation To A Depth Of 500 Ft. Silicification From Slight To Complete Replacement Is Common But Most Intense In The Veins. Breccia Fragments Are Altered To Sericite And Clay. Some Chloritization

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -110.68207, 32.70399

Economic information

Geologic structures

Type of structure Regional
Structure description Quaternary Gila Conglomerate Overlies Ore Zone
Type of structure Local
Structure description The Mammoth Fault, N22w, 56 To 70 Deg Ne, Cuts The Veins

Ore body information

  • General form TABULAR
    Strike W TO NW
    Dip STEEPLY-SW
    Thickness 152.4M
    Width 6.1M

Controls for ore emplacement

  • Veins Within Shear Zones. Nw Striking Rhyolite Intrusions.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1881
Discoverer Frank Schultz
Year of first production 1896
Year of last production 1934

Mining district

District name Mammoth District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Mohawk Gold Mining Co.
    First year 1899
    Last year 1901
  • Type Owner
    Owner Molybdenum Corp. Of America (Its Branch In Arizona Is Molybdenum Gold Mining Co.)
    First year 1937
  • Type Owner
    Owner Mohawk Gold Mining Co.
    Year 1892
    First year 1897

Workings at the site

  • Type of workings Underground
    Area 0.219HA
    Length 152.4M
    Overall depth 162.15M
    Overall length 762M
    Overall width 3.05M

Comments on the workings information

  • TWO VERTICAL SHAFTS, MOHAWK AND NEW YEAR SHAFTS, ARE 140 FT APART. IN THE MOHAWK THERE ARE 5 LEVELS (ALL IN ORE), WITH MANY CROSS-CUTS, DRIFTS, WINZES, AND STOPES. THE NEW YEAR SHAFT WORKINGS HAVE CROSSCUT A WIDE, LOW GRADE VEIN ON THE 425-FOOT LEVEL.

Comments on development

  • IN 1917 THE MOHAWK GOLD MINING CO. OWNED JUST THE MOHAWKAND THE MOHAWK WEDGE PATENTED CLAIMS. IN 1926, DEVELOPMENT WORK WAS DONE ON THE NEW YEAR CLAIM WHICH ADJOINS THE MOHAWK CLAIM. IN 1933, THE MOLYBDENUM CORP OF AMERICA OBTAINED CONTROL OF THE NEW YEAR AND MOHAWK PROPERTIES AND CARRIED ON UNDERGROUND DEVELOPMENT OF BOTH MINES

Reference information

Bibliographic references

  • Deposit

    USBM-ABGMT PRODUCTION FILE DATA.

  • Deposit

    USBM FILE DATA - CLUSTER #519.

  • Deposit

    ABGMT CLIPPINGS FILE DATA - MOHAWK MINE FILE, MOLYBDENUM GOLD MINING CO FILE, MOLYBDENUM CORP OF AMERICA FILE, ST. ANTHONY AND DEV. CO. FILE.

  • Deposit

    ADMR FILE DATA.

  • Deposit

    PETERSON, 1938, ABM BULL 144, P. 60-62.

  • Deposit

    WILSON, ABM BULL 137, P. 170-174.

  • Deposit

    BLM DISTRICT SHEET #706, SE 1/2 T8S, R16E.

  • Deposit

    CREASEY, 1965, USGS PP 471, P. 31.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit VEINS OCCUR WITHIN SHEAR ZONES. THE TWO VEINS DEVELOPED ARE KNOWN AS THE MOHAWK AND DREAM. THE MOHAWK VEIN IS VERTICAL WHILE THE DREAM VEIN DIPS TOWARDS THE MOHAWK VEIN. THE VEINS INTERSECT AT A DEPTH OF 600 OR 700 FT. THE INTERSECTION OF THE TWO VEINS PLUNGES SE.
Deposit FOR MORE INFORMATION, SEE CRIB ENTRY FOR THE MAMMOTH-ST. ANTHONY MINE, ADJACENT MINE TO NW. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1982 Laraba, Peter (Gest, Don E.) 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.