1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Molinar Alaska Mine

Producer in Greenlee county in Arizona, United States with commodities Copper, Silver, Gold
Map
XML
JSON
KML
B
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 10048280
MRDS ID M800404
Record type Site
Current site name Molinar Alaska Mine
Alternate or previous names Molinar Mine, Alaska Mine, Stella Mine, Stevens Mine, Stevens Molinar Mine Stevens Lease, Alaska Tunnel

Geographic coordinates

Geographic coordinates: -109.36537, 33.1351 (WGS84)
Elevation 1585
Location accuracy 100(meters)
Relative position 1.5 MILES NORTH OF METCALF, Used Blm District Sheet 837 And Usgs Professional Paper 43 (1905), Used Blm District Sheet 837 And Usgs Professional Paper 43 (1905), Used Blm District Sheet 837 And Usgs Professional Paper 43 (1905)

Site location context

Political divisions (FIPS codes)

Greenlee(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mitchell Peak(quadrangle 1:24,000 scale)

Clifton(quadrangle 1:100,000 scale)

Clifton(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco(hydrologic unit)

Upper Gila(hydrologic accounting unit)

Upper Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Greenlee

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 003S 029E 33,28 W2 OF NE (33); W2 OF SE (28) Arizona

Comments on the location information

  • LOCATED ON RIDGE BETWEEN NORTH FORK OF GARFIELD GULCH AND CHASE CREEK; ALASKA AND MOLINAR CLAIMS ARE AT NORTHERN END OF CLUSTER OF 18 ADITS AND PROSPECTS NEAR MOUTH OF GARFIELD GULCH ; INFO FROM LAND.ST :(1973)

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Chrysocolla Ore
Cuprite Ore
Malachite Ore
Pyrite Ore
Specularite Ore
Limonite Gangue
Magnetite Gangue

Alteration

  • (Local) Minor

Analytical data

Result ASSAY VALUES RANGED FROM 12 TO 30% CU AND 3% CU IN TAILINGS DUMP

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Rock unit name Tertiary Volcanic Flow;Basement Granite
    Rock description Tertiary Volcanic Flow;Basement Granite
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Modoc Limestone;Coronado Quartzite
    Rock description Modoc Limestone;Coronado Quartzite

Nearby scientific data

(1) -109.36537, 33.1351
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Normal Faulting Confined To Pre-Tertiary Rocks, With Vertical Desplacement Of 2000 Ft
Type of structure Local
Structure description Diabase Dike Intrudes Granite And Is Step-Faulted To East; Main Ore Deposits Are Located In Limestones Just Above Quartzite And Just Below Tertiary Basalts

Ore body information

  • General form IRREGULAR
    Strike N
    Dip 42 E
    Plunge direction N
    Width 0.91M
  • General form IRREGULAR
    Dip 42 E

Controls for ore emplacement

  • N-Ne Trending Minor Faults And Fissure Veins; Ore Deposited Where Diabase Dike Contacts Granite

Comments on the geologic information

  • FISSURE VEINS IN DIABASE DIKE INTRUSION ARE RELATIVELY NARROW AS COMPARED TO OTHER MINERALIZATIONS IN THE DISTRICT

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1872
Discoverer Charles E. Stevens, Sr.; Isaac Stevens
Year of first production 1952
Year of last production 1967

Mining district

District name Copper Mountain District

Land status

Ownership category Private

Ownership information

  • Type Lessee/Operator
    Owner Stevens Jr., Charles E. And Associates
    First year 1970
  • Type Owner
    Owner Phelps Dodge Corp., Morenci Branch )
    First year 1921

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 48.77M
    Overall length 335.28M

Comments on the workings information

  • UNDERGROUND AND TAILINGS DUMP MINING; DEVELOPMENTS INCLUDED 2 ADITS OF WHICH THE MAIN ADIT IS 1400 FT; 1500 FT OF DRIFT; 1 TUNNEL (ALASKA TUNNEL); 6 RAISES; 1 WINZE TO 60 FT DEPTH

Comments on development

  • OPERATORS INCLUDED SHANNON COPPER CO; ARIZONA COPPER CO LTD; STEVENS FAMILY; STEVENS COPPER CO; RILEY AND SERAPIO; JESUS GOMEZ; ROBERT L. NARDELLI; ALASKA CLAIM PATENTED IN 1893

Reference information

Bibliographic references

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    ARIZONA DEPARTMENT OF NATURAL RESOURCES FILA DATA, UNDER STEVENS MINE

  • Deposit

    USGS PP 43, P 352-353

  • Deposit

    BLM DISTRICT SHEET 837

  • Deposit

    BENNETT, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE CO., AZ: MS THESIS, UNIV OF AZ

  • Deposit

    USBM FILES, UNDER STEVENS GROUP

  • Deposit

    ABGMT CLIPPINGS FILE, UNDER STEVENS BROTHERS GOLD HOLDINGS

General comments

Subject category Comment text
Deposit 2 PATENED CLAIMS: (ALASKA, MOLINAR); DEPOSIT INCLUDES RICH PODS OF SUPERGENE CHALCOCITE ORE
Deposit SEE ALSO: STEVENS GROUP ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-81 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.

Maps centered on this site

Authoritative Arizona resources

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