Pearl Mine

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

Geologic information

Identification information

Deposit ID 10048302
MRDS ID M899860
Record type Site
Current site name Pearl Mine
Alternate or previous names Cuba Mine
Related records 10210719

Geographic coordinates

Geographic coordinates: -110.73818, 32.73399 (WGS84)
Elevation 1116
Relative position 1.2 MILES N-NE OF SIGNAL PEAK (ELV. 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)

Federal lands

ST(Federal land areas administered by ST)

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 17 NW OF SW OF SW Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1978)

Commodities

Commodity Importance
Copper Primary
Lead Primary
Silver Secondary
Gold Secondary
Molybdenum Tertiary

Comments on the commodity information

  • NO SULPHIDES VISIBLE

Materials information

Materials Type of material
Chrysocolla Ore
Malachite Ore
Tenorite Ore
Wulfenite Ore
Quartz Gangue

Alteration

  • (Local) Oxidized At The Surface

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -110.73818, 32.73399

Economic information

Geologic structures

Type of structure Regional
Structure description San Manuel And Mammoth Faults Run N45w, Mammoth Fault 1 1/2 Miles Ne, San Manuel Fault 1 Mile Sw
Type of structure Local
Structure description Veins Run N To S, With Cross Fractures Runnng Nw-Se Across The Veins. Cross Fractures Are About 10 To 15 Ft Apart. Minor Faulting Visible. But No Large Faults Found.

Ore body information

  • General form TABULAR
    Strike N-S
    Dip 80W
    Length 804.65M
    Width 5.49M

Controls for ore emplacement

  • Shear Zone/Faulting

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1915
Year of last production 1941

Mining district

District name Mammoth District

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner Dripping Springs Mines Corp , Pearl Mining Co. , M. G. Tarr
    First year 1918
  • Type Owner
    Owner Dripping Springs Mines Corp , Pearl Mining Co. , Walter Hughes
    First year 1915

Comments on the workings information

  • BESIDES LOCATION SHAFTS, THERE ARE 15 SHALLOW OPEN CUTS. REPORTED TO BE FROM 10 TO 15 FT. LONG, 5 TO 6 FT. WIDE, AND FROM 10 TO 12 FT DEEP.

Comments on development

  • 21 UNPATENTED CLAIMS

Reference information

Bibliographic references

  • Deposit

    USBM-ABGMT PRODUCTION DATA FILE

  • Deposit

    ARIZONA DEPARTMENT OF MINERAL RESOURCES-FILE DATA

  • Deposit

    USBM FILE DATA, CLUSTER 545

  • Deposit

    WEED, W., 1922, THE MINES HANDBOOK, VOL. 15, P. 265

  • Deposit

    CREASY, S. 1965, GEOLOGY OF THE SAN MANUEL AREA PINAL COUNTY, ARIZONA. USGS, P. P. 471, P. 58-59

  • Deposit

    CREASY, S.C., 1967, GENERAL GEOLOGY OF THE MAMMOTH QUAD. PINAL COUNTY, ARIZONA, USGS, BULL. 1218, PLATE 1.

General comments

Subject category Comment text
Deposit THERE ARE 3 MAIN VEINS ON THE CLAIM, THEY RANGE IN WIDTH FROM 2 TO 18 FT, ALL STRIKE N-S AND DIPS RANGE FROM 60 TO 80 DEG. WEST.

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.

External references

Authoritative Arizona resources

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