Sunnyside Mine Group

Producer in Santa Cruz county in Arizona, United States with commodities Copper, Silver, Lead, Zinc, Gold, Molybdenum, Arsenic
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. Reserves and resources
  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 10048335
MRDS ID M899919
Record type Deposit
Current site name Sunnyside Mine Group
Alternate or previous names Volcano Mine, Pina, Horseshoe Claim, Farrell Claim, Sunnyside Copper

Geographic coordinates

Geographic coordinates: -110.74678, 31.45125 (WGS84)
Elevation 1768
Location accuracy 100(meters)
Relative position 2.5 MILES SW OF HARSHAW, Used Schrader (1915), Admr File Data

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Harshaw(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 016E 06,07 SW OF SE (06); CENTER OF E2 OF NE (07) Arizona

Comments on the location information

  • LOCATED ON THE UPPER PART OF THE ALUM GULCH, JUST NORTH OF THE THUNDER AND STANDARD MINE GROUP; SUNNYSIDE MINE IN SECTION 06, VOLCANO SHAFT IN SECTION 07; UTM AND GEODETIC COORDINATES LOCATE VOLCANO SHAFT ; INFO FROM LAND.ST :(1979)

Commodities

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

Comments on the commodity information

  • MINOR GOLD OCCURS IN MALACHITE ORE

Materials information

Materials Type of material
Chalcopyrite Ore
Cuprite Ore
Galena Ore
Malachite Ore
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Surface Oxidation Over 80 Ft. In Depth

Analytical data

Result ASSAY VALUES AVERAGED 8% CU, 1.6 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Mount Wrightson Formation
    Rock description Mount Wrightson Formation
    Stratigraphic age (youngest) Paleocene
    Chronological age 60
    Dating method K-Ar
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite

Nearby scientific data

(1) -110.74678, 31.45125

Economic information

Geologic structures

Type of structure Regional
Structure description Monzonite (?) Porphyry Intrudes Mount Wrightson Formation And Is Locally Much Altered To Quartz, Sericite, Kaolinite, Alunite, Pyrite, And Tourmaline
Type of structure Local
Structure description 200 Ft. Wide Mineralized Zone Consists Of Belts Of Sheared And Silicified Country Rock With Isolated Showings Of Copper Carbonate Ores

Ore body information

  • General form IRREGULAR
    Strike N50W
    Dip 70SW
    Width 60.96M
  • General form IRREGULAR
    Dip 70SW

Controls for ore emplacement

  • Nw-Trending Shear Zone In Granite Porphyry

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1897
Discoverer R. Farrell
Year of first production 1897
Year of last production 1954

Mining district

District name Harshaw District

Land status

Ownership category National Forest

Ownership information

  • Type Unknown
    Owner Farrell; Lenon And Vasquez; Strong And Harris
    Year 1975

Reserves and resources

  • Type In-situ
    Estimate year 1996
    Reserves 150000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 0.15 g/mt Silver Secondary 1996
    Molybdenum Mo 0.02 wt-pct Molybdenum Secondary 1996
    Copper Cu 0.6 wt-pct Copper Primary 1996
  • Type In-situ
    Estimate year 1995
    Reserves 180000000mt ore
    Remarks 36,000 tonnes molybdenum
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 0.5 g/mt Silver Secondary 1995
    Molybdenum Mo 0.02 wt-pct Molybdenum Secondary 1995
    Copper Cu 0.61 wt-pct Copper Primary 1995

Comments on the reserve resource information

  • Deep resources at a depth of >4000 ft. Exposed

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 36.58M

Comments on the workings information

  • SHEAR BELTS OPENED TO DEPTH OF 90 FT BY SEVERAL SHAFTS, INCLUDING 30-FT INCLINED (DIPPING TO SW) VOLCANO SHAFT; VARIOUS STOPES AND DRIFTS; SHALLOW OPEN-CUTS; VOLCANO CLAIM WORKINGS ALSO INCLUDE 50-FT VERTICAL SHAFT, 550 FT LONG ADIT WITH CROSSCUTS TOTALLING 350 FT IN LENGTH, 77 FT. RAISE FROM ADIT UP TO VERTICAL SHAFT BOTTOM; DIAMOND DRILLING, CONDUCTED ON PROPERTY IN 1954, REACHES DEPTH OF 608 FT ON THE INCLINE; VOLCANO MINE IS THE PRINCIPAL MINE OF THE GROUP

Comments on development

  • PROPERTY COMPRISES 8 UNPATENTED CLAIMS; WORKED IN LATE 1890'S AND SPORADICALLY THROUGH 1953; OWNERS AND OPERATORS INCLUDED L.D. RICKETTS (1912), SANTA CRUZ COPPER CO., DIAMOND DRILLING UNDER CONTRACT TO METLER BROS. DRILLING CO., LEE FARRELL AND A. OLANDER, STRONG AND HARRIS, J.W. WINGFIELD, CANANEA COPPER CO.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MINERALIZED SHEAR ZONE IS 200 FT WIDE; ASSOCIATED VEINLETS AVERAGE 5-8 FT IN WIDTH. MINERALIZED ZONE, TO DEPTH OF 40 FT IS COMPOSED LARGELY OF QUARTZ CARRYING CONSIDERABLE COPPER CARBONATES; SMALL POCKET OF BLACK OXIDIZED COPPER ORE ENCOUNTERED AT DEPTH OF 80 FT; SULFIDE ORES MIGHT EXIST BELOW OXIDATION ZONE, BUT MINING HAS NOT PENETRATED TO THAT DEPTH.
Deposit Minerals: alunite, andalusite, biotite, chalcocite, chalcopyrite, diaspore, enargite, hematite, kaolinite/illite, magnetite, pyrite, pyrophyllite, sericite, smectite, tennantite, tourmaline, zunyite

Associated Rocks: breccia, latite porphyry, quartz- feldspar porphyry, quartz monzonite porphyry ;n.d.;granodiorite, quartz monzonite, carbonate rocks, volcanic rocks
Deposit RECORD D002926 HAS BEEN MERGED AND DELETED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-82 Calder, Susan R. U.S. Geological Survey
Reporter 07-JUL-93 ADMR U.S. Bureau of Mines
Updater 03-AUG-09 Anderson, Claire 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.