Delta - Hidden Splendor

Producer in Emery county in Utah, United States with commodities Copper, Lead, Uranium, Vanadium, Zinc
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10227306
MAS/MILS ID 0490150030
Record type Site
Current site name Delta - Hidden Splendor
Alternate or previous names Hidden Splendor

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -110.94884, 38.56437 (WGS84)
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Emery(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hunt Draw(quadrangle 1:24,000 scale)

San Rafael Desert(quadrangle 1:100,000 scale)

Salina(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Muddy(hydrologic unit)

Upper Colorado-Dirty Devil(hydrologic accounting unit)

Upper Colorado-Dirty Devil(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management UT)

Bureau of Land Management UT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Utah Emery

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 026 S 009 E 09 SESWNW Utah

Commodities

Commodity Importance
Copper Tertiary
Lead Tertiary
Uranium Tertiary
Vanadium Critical Secondary
Zinc Critical Tertiary

Materials information

Materials Type of material
Azurite Unknown
Carnotite Unknown
Malachite Unknown
Pyrite Unknown
Sphalerite Unknown
Uraninite Unknown

Nearby scientific data

Main Entrance (1) -110.94884, 38.56437

Economic information

Ore body information

  • Strike N75E
    Dip 06S
    Thickness 2.4M
    Length 152M
    Width 122M
    Area 0.2HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Primary mode of Origin OTHER
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 CARBONITIZATION
    Strike And Dip N75E:06S
    Avg. Thick. Unconsol. Mat. 1.5
    Total Surface Area (HA) .2
    Date of Last Modification 790522

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No
Discovery year 1952

Mining district

District name San Rafael Swell District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Central Oil And Minerals
    ID 4201339
    Interest 100
    Home office Utah
    Year 1977
  • Type Operator
    Owner Hunt Mining
    ID 4201339
    Year 1977

Workings at the site

  • Type of workings Underground
    Length 1524M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .69
    Hardness of Rock SOFT NONPLASTIC WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. TIMBER
    Avg. Length of Adits (m) 365
    1st Condition of Workings OPEN
    Capacity Units MT COMMOD/DAY
    Units of Production $/MT COMMOD
    Year of Information 1973

Reference information

Bibliographic references

  • Deposit

    REV BY MILS 28MAR79 EVA:UGMS PERRY

  • Deposit

    KEYS,W, SCOTT 1954, THE DELTA MINE, SAN

  • Deposit

    RAPHAEL SWELL, EMERY CO, UT: USAEC RME-5

  • Deposit

    9.

  • Deposit

    HAWLEY,CC & OTHERS 1968, GEOLOGY, ALTERE

  • Deposit

    D ROCKS & ORE DEPOSITS OF THE SAN RAPHAE

  • Deposit

    L SWELL, EMERY CO, UT: USGS BULL 1239.

  • Deposit

    GRUNER,SW, GARDINER,L 1952, USAEC RMO-56

Reporter information

Type Date Name Affiliation Comment
Reporter 09-APR-87 Unknown U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 12/09/1982
MSHA mine ID4201339
Mine name (MSHA)Delta Mine
Current operatorUtah West Mining & Development Inc
Mine typeUnderground (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.