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Orphan Lode Mine

Past Producer in Coconino county in Arizona, United States with commodities Uranium, Copper, Lead, Antimony, Cobalt, Gold, Iron, Magnesite, Manganese, Molybdenum, Nickel, Silver, Zinc
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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 10027053
MRDS ID M001823
MAS/MILS ID 40050328
Record type Site
Current site name Orphan Lode Mine
Alternate or previous names Orphan, Orphan N.P.2004, Golden Crown Mining Co., Western Gold and Uranium

Geographic coordinates

Point of reference Claim
Geographic coordinates: -112.15, 36.07139 (WGS84)
Elevation 2121
Location accuracy 100(meters)
Relative position 1200 FT BELOW S RIM 1.5 MI FROM BRIGHT ANGEL LODGE NEAR POWELL POI NT.

Site location context

Political divisions (FIPS codes)

Coconino(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grand Canyon(quadrangle 1:24,000 scale)

Grand Canyon(quadrangle 1:100,000 scale)

Grand Canyon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Grand Canyon(hydrologic unit)

Lower Colorado-Lake Mead(hydrologic accounting unit)

Lower Colorado-Lake Mead(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Grand Canyon National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States Arizona Coconino

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 031N 002E 14 W OF CENTER; SW4 Arizona

Commodities

Commodity Importance
Uranium Primary
Copper Primary
Lead Tertiary
Antimony Critical Tertiary
Cobalt Critical Tertiary
Gold Tertiary
Iron Tertiary
Magnesite Tertiary
Manganese Critical Tertiary
Molybdenum Tertiary
Nickel Critical Tertiary
Silver Primary
Zinc Critical Tertiary

Comments on the commodity information

  • ALSO TRACES OF AG, TI, ZN.

Materials information

Materials Type of material
Chalcocite Ore
Galena Ore
Tennantite Ore
Torbernite Ore
Uraninite Ore
Aragonite Gangue
Barite Gangue
Calcite Gangue
Dolomite Gangue
Gypsum Gangue
Plagioclase Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Bleaching, Argillization And Carbonization Extend Into Sediments As Function Of Permeability

Analytical data

Result CHIP SAMPLES RAN 0.008-1.0%EU
Result 12.5% IN HIGH GRADE ZONE. HIGH GRADE ORE-SAMPLES AVERAGE 1.0% U308. MO <0.003% IN A WULFENITE SAMPLE.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Coconino, Hermit, Supai Formations, Redwall Limestone
    Rock description Coconino, Hermit, Supai Formations, Redwall Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

Claim (1) -112.15, 36.07139
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Breccia Pipe Is A Collapse Breccia And Annular Rings

Ore body information

  • General form PIPELIKE, DISSEMINATIONS AND STRINGERS ON PIPE'S PERIPHERY
    Dip VERTICAL
    Length 115.82M
    Width 115.82M
    Depth to bottom 609.6M

Controls for ore emplacement

  • Strongest Mineralization In Most Permeable Areas Around Periphery Of Pipe

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1891
Discoverer Daniel L. Hogan

Mining district

District name Orphan District

Land status

Ownership category Private
Ownership category National Park

Ownership information

  • Type Owner
    Owner Cotter Corp.
    Home office Roswell, N.M.
    Year 1978
    First year 1967

Comments on the production information

  • BY APRIL 1969 ORPHAN LODE HAD PRODUCED $40 MILLION IN URANIUM. A MAJOR PRODUCER IN ARIZONA. AVERAGED 2,000 TONS/MONTH IN 1959.

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Total resources 45000mt ore
    Commodity Subtype Grade units Group Importance Year
    Uranium U3O8 0.3 wt-pct Uranium Major 1970

Workings at the site

  • Type of workings Underground
    Length 701.04M
    Overall depth 487.68M

Comments on the workings information

  • 70 FT ADIT BEFORE 1955, AERIAL TRAMWAY BUILT IN 1956, TUNNEL AND SHAFT TO 1500 FT LEVEL DROPPED IN 1960.

Comments on development

  • PRODUCED URANIUM, COPPER, AND SILVER THROUGHOUT THE 1960'S

Reference information

Bibliographic references

  • Deposit

    KEITH, 1970, ARIZ. BUREAU OF MINES BULL. 182, P. 103-159, 202-289.

  • Deposit

    KOFFORD, 1969, FOUR CORNERS GEOL. SOC. GUIDEBOOK, P. 190-194.

  • Deposit

    GORNITZ & KERR, 1970, COLUMBIA UNIV.

  • Deposit

    BOWLES, 1977, USGS CIRC. 753, P. 25-27.

  • Deposit

    GRANGER AND RAUP, R., 1962: U.S. GEOLOGICAL SURVEY BULLETIN 1147-A, p. A7-A12..

  • Other Database

    CIMRI

  • Production

    KEITH, 1970, P.262

  • Reserve-Resource

    KEITH, 1970, P. 262.

  • Deposit

    USGS BRIGHT ANGEL QUAD

  • Deposit

    BLM MINING DISTRICT SHEET 62

  • Deposit

    US-AEC 172-479,P2,8,9

  • Deposit

    ADLER,H2 ECON.GEO, VOL.58,NO6,P849-850

  • Deposit

    ADMR ORPHAN MINE FILE

  • Deposit

    ADMR U FILE

  • Deposit

    HICKS,C., ADMR MOLY OCCURRENCES,MIN.RPT#3,P15

  • Deposit

    KING,R., AZ.B.M.#180,P235

  • Deposit

    BUTLER,A.& BYERS,V., AZ.B.M.#180,P287

General comments

Subject category Comment text
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M001823 WITH RECORD W016025 OF JAN WILT IN MOLYBDENUM FILE; CONTACT PERSON T.G. THEODORE, USGS. THIS RECORD ALSO CONTAINS DATA FROM DUPLICATE RECORD D000312 OF R.U. KING WHICH HAS BEEN DELETED FROM MAIN MRDS. ; 2 UNPUB REPT
Deposit PIPE INCREASES IN SIZE DOWNWARD FROM 175 TO 450 FT DIAMETER. PIPE ITSELF HAS MAXIMUM DIAMETER OF 380 FT BUT MINERALIZED ANNUAL RING EXTENDS TOTAL DIAMETER TO 500 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 1983-01-01 Peterson, Jocelyn A. U.S. Geological Survey
Editor 2011-11-01 Wilson, Anna B U.S. Geological Survey merged and deleted 10161121
Reporter 1983-11-04 ADMR U.S. Bureau of Mines MAS 0040050328 = 10161121

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.