Saddle Mountain Group

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

Geologic information

Identification information

Deposit ID 10026864
MRDS ID M000645
Record type Site
Current site name Saddle Mountain Group
Related records 10161678

Geographic coordinates

Geographic coordinates: -110.68625, 33.03453 (WGS84)
Elevation 792
Relative position 4 MI SE OF CHRISTMAS, ON RIDGE BETWEEN ASH AND DEER CREEKS

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Christmas(quadrangle 1:24,000 scale)

Globe(quadrangle 1:100,000 scale)

Mesa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Gila(hydrologic unit)

Middle Gila(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 004S;005S 016E;016E 35;02 Arizona

Comments on the location information

  • INFO FROM LAND.ST :1979

Commodities

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

Materials information

Materials Type of material
Anglesite Ore
Argentite Ore
Bornite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Galena Ore
Gold Ore
Malachite Ore
Pyrargyrite Ore
Pyrite Ore
Silver Ore
Sphalerite Ore
Barite Gangue
Calcite Gangue
Garnet Gangue
Gypsum Gangue
Magnetite Gangue
Quartz Gangue
Specularite Gangue

Alteration

  • (Local) Propyllitic, Shallow Oxidation

Analytical data

Result 5% DISSEMINATED PYRITE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Williamson Canyon Volcanics-Andesite
    Rock description Williamson Canyon Volcanics-Andesite
    Stratigraphic age (youngest) Tertiary
    Chronological age 62
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -110.68625, 33.03453

Economic information

Geologic structures

Type of structure Local
Structure description Volcanics Folded Into Deer Creek Syncline With Tension Fractures P Aralleling Axis

Ore body information

  • Strike N50E
    Dip 60-90
    Width 1.22M

Controls for ore emplacement

  • In Brecciated Zones Of E-W Shears And Ne Tension Fractures Near Dik E Swarm

Comments on the geologic information

  • PYRITE FAVORED DIORITE PORPHYRY-QUARTZ DIORITE. PB-AG-ZN FAVORED V OLCANICS AND CONTACTS OF INTRUSIONS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900

Mining district

District name Saddle Mountain District

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 1051.56M

Comments on the workings information

  • 5 SHAFTS, PORTABLE CONCENTRATING MILL ERECTED AT ASH CREEK IN 190 0-RUINS NOW KNOWN AS OLD MILL. MOST WORKINGS INACCESSIBLE

Comments on development

  • SADDLE MTN MINING CO ORGANIZED IN 1900 BY GB CHITTENDEN. 15 PATEN TED AND 1 UNPATENTED CLAIM IN 1923. CLAIMS INCLUDE LOLA CLAIMS. GILA C OPPER SULFIDE CO WAS PAST OPERATOR

Reference information

Bibliographic references

  • Deposit

    BARTLETT, 1972, MS THESIS, UNIV OF UTAH

  • Deposit

    ROSS, 1925, USGS BULL 771

  • Deposit

    WILLDEN, 1964, USGS BULL 1161-E

  • Deposit

    ABM FILE DATA

General comments

Subject category Comment text
Deposit VEIN IS ON SIDE OF QUARTZ MICA DIORITE DIKE, WHICH IS ALSO MINERA LIZED IN PLACES. SECOND VEIN (BIG ROCK VEIN) EXPOSED EAST OF MAIN VEIN
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M000645 WITH RE CORD M030477 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-APR-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.