Unida Mine

Past 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. 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. Ownership information
  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 10048162
MRDS ID M800212
Record type Site
Current site name Unida Mine
Alternate or previous names Blue Nelley, Bloo Nelley
Related records 10283645

Geographic coordinates

Geographic coordinates: -112.59547, 34.05534 (WGS84)
Elevation 1012
Relative position 1.55 MILES EAST OF MORGAN BUTTE.

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Morgan Butte(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Hassayampa(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 008N 003W 08 NW Arizona

Comments on the location information

  • LOCATION TAKEN TO CENTER OF SHAFT SYMBOL; IN ADDITION, THERE ARE 2 ADIT SYMBOLS IMMEDIATELY TO THE EAST AND SOUTHEAST OF THE SHAFT. MAIN SHAFT AND ADITS ON BLOO NELLEY CLAIM, SHAFTS 1100 FT SOUTHWEST OF UTM COORDINATES (BLOO NELLEY CLAIM) ARE ON ROCKY MOUNTAIN CLAIM

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Secondary
Lead Secondary

Materials information

Materials Type of material
Chrysocolla Ore
Copper Ore
Gold Ore
Hematite Gangue
Quartz Gangue

Alteration

  • (Local) Minor To None

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -112.59547, 34.05534

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Schist And Gneiss Trends N35e To N65e
Type of structure Local
Structure description Veins (And Genetically-Related(?)) Dikes Trend N10w To N40w And Crosscut Precambrian Fabric

Ore body information

  • General form TABULAR
    Strike N50W TO N60W
    Dip 60SW TO 45SW
    Thickness 1.22M
    Length 1219.2M
    Width 250M
    Depth to bottom 76.2M

Controls for ore emplacement

  • Faulting, Shearing, Igneous Activity-Dikes

Comments on the geologic information

  • DEPOSIT IS HIGH-ANGLE QUARTZ VEIN WHICH IS ASSOCIATED WITH RHYOLITE OR ANDESITE DIKES OF PROBABLE MID-TERTIARY AGE THAT CUT PRECAMBRIAN IGNEOUS AND METAMORPHIC ROCKS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1914
Year of first production 1929
Year of last production 1976

Mining district

District name Black Rock District

Ownership information

  • Type Operator
    Owner United Mines Op., Hayes, Jermain, Oberon
  • Type Owner
    Owner N. S. Oberan (1940'S)

Workings at the site

  • Type of workings Underground
    Area 0.061HA
    Length 480.06M
    Overall depth 121.92M
    Overall length 213.36M
    Overall width 3.05M

Comments on the workings information

  • THREE TUNNELS ARE 675, 550, AND 350 FT LONG. MAIN SHAFT IS 350 FT DEEP. INCLINE SHAFT 285 FT DEEP.

Comments on development

  • PATENTED CLAIMS INCLUDE BLOO NELLEY, GRAY EAGLE, UNIDA, LAURA, ROCKY MTN, LINCOLN, SITTING BULL, TORINA, AND STARLIGHT

Reference information

Bibliographic references

  • Deposit

    ABGMT CLIPPINGS FILE DATA

  • Deposit

    USBM REEL 4001-542, 544

  • Deposit

    AZ DEPT. MIN. RESOURCES FILE DATA

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit 2 VEINS, THE BLOO LEAD ON THE NORTH AND THE KING SOLOMON ON THE SOUTH, ARE SEPARATED BY 1000 FT. A 30 FT WIDE PORPHYRY DIKE OUTCROPS BETWEEN THE VEINS. THE KING SOLOMON VEIN OUTCROPS ON ROCKY MTN CLAIM THE BLOO LEAD VEIN OUTCROPS OVER A STRIKE LENGTH OF 200 FT; THE KING SOLOMON FOR 4000 FT.
Deposit THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD D002978 OF J.W. HASLER WHICH HAS BEEN DELETED FROM MAIN MRDS. ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1981 Roth, Frances A. (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.

Authoritative Arizona resources

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