Pacific Mine

Producer in Yavapai county in Arizona, United States with commodities Copper, Gold, Silver, Lead
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10048254
MRDS ID M800371
Record type Site
Current site name Pacific Mine
Alternate or previous names Sunnyside Group, Sunnside

Geographic coordinates

Geographic coordinates: -112.37685, 34.13173 (WGS84)
Elevation 1433
Relative position ABOUT 1.6 MILES EAST OF SILVER MOUNTAIN (FROM SILVER 6144)

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Minnehaha(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Agua Fria(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Prescott 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 Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 009N 001W 09,08 W2 OF SW (09); E2 OF SE (08) Arizona

Comments on the location information

  • LOCATED ON SILVER CREEK. UTM LOCATION MEASURED TO SHAFT NORTH OF CREEK IN SECTION 9.

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Primary
Lead Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Copper Ore
Galena Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Amphibolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -112.37685, 34.13173

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Proterozoic Metamorphic Rocks Trends N30e
Type of structure Local
Structure description Veins In Deposit Parallel Foliation In Precambrian Rocks

Ore body information

  • General form LENSES
    Strike N30E
    Dip STEEP
    Thickness 7.62M
    Length 914.4M
    Width 152.4M
    Depth to bottom 152.4M

Controls for ore emplacement

  • Faulting, Shearing

Comments on the geologic information

  • DEPOSIT IS QUARTZ VEIN WHICH CUTS PRECAMBRIAN METAMORPHIC ROCKS. AGE OF MINERALIZATION PROBABLY PALEO-MIO FROM CLOSE SPATIAL ASSOCIATION WITH RHYOLITE DIKES

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1910
Year of last production 1911

Mining district

District name Silver Mountain District

Ownership information

  • Type Operator
    Owner Pacific Copper Mining Co
    First year 1914
  • Type Owner
    Owner E. J. Mitchell
    First year 1915

Workings at the site

  • Type of workings Underground
    Length 457.2M
    Overall depth 152.4M

Comments on the workings information

  • WORKINGS CONSIST OF AT LEAST 3 SHAFTS

Comments on development

  • CONSISTS OF 30 CLAIMS OF WHICH 10 ARE PATENTED. PATENTED CLAIMS = MS 2803

Reference information

Bibliographic references

  • Deposit

    ABGMT CLIPPINGS FILES

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    AZ DEPT MIN RESOURCES FILE DATA

  • Deposit

    USGS BULL 782, P. 178

  • Deposit

    YAVAPAI MAGAZINE VOL. VI #6, P 12

General comments

Subject category Comment text
Deposit DEPOSIT IS QUARTZ VEIN IN PRECAMBRIAN METAMORPHIC ROCKS
Deposit LINDGREN (USGS BULL 782, P. 178) THOUGHT PACIFIC MINE MIGHT HAVE BEEN PYRITE IMPREGNATION IN SCHIST, OR PRECAMBRIAN MASSIVE SULFIDE DEPOSIT. HIGH AU & AG VAULES PROBABLY INDICATED IT TO BE A VEIN DEPOSIT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1981 Laraba, Peter (Dewitt, Ed) Arizona Bureau of Geology and Mineral Technology

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Arizona resources

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