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Rialto Group

Past Producer in Yuma county in Arizona, United States with commodities Fluorine-Fluorite, Lead, Silver
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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. 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. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10186691
MRDS ID M030326
MAS/MILS ID 0040270030
Record type Site
Current site name Rialto Group
Alternate or previous names Hull Group
Related records 10103550

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -114.17548, 33.05727 (WGS84)
Elevation 427
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Yuma(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Castle Dome Peak(quadrangle 1:24,000 scale)

Trigo Mountains(quadrangle 1:100,000 scale)

Salton Sea(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Gila(hydrologic unit)

Lower Gila(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Yuma

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 004 S 019 W 24 SWSESW Arizona

Commodities

Commodity Importance
Fluorine-Fluorite Critical Tertiary
Lead Tertiary
Silver Tertiary

Materials information

Materials Type of material
Anglesite Unknown
Cerussite Unknown
Fluorite Unknown

Nearby scientific data

Main Entrance (1) -114.17548, 33.05727
ListMap

Economic information

Ore body information

  • Strike N30W
    Dip 70E
    Thickness 1M
    Length 400M
    Width 60M
    Area 8HA
    Depth to top 6M
    Field Value
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 BRECCIA FILL
    Shape of Orebody #2 IRREGULAR
    Type of Orebody #3 FISSURE VEIN
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 SERICITIC
    Type of Wallrock Alter. #3 PROPYLITIC
    Strike And Dip N30W:70E
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 6
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 8
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1863

Mining district

District name Castle Dome District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Stock, M. W.
    Home office Pine Valley, Ca
    Year 1976

Reference information

Bibliographic references

  • Deposit

    HAURY P S USBM RPT ON AZ LEAD CO JULY 1945 FROM USBM FILES

  • Deposit

    PHELPS H D FLUOR PB AG MINES CASTLE DOME DIST WAR MINS RPT O

  • Deposit

    WILSON E D GEOL MIN DEP SOUTH YUMA CO AZ BUR MINES BULL 134

  • Deposit

    WILSON E D AZ ZN & PB DEPOSITS AZ BUR MINES BULL 156 1950

General comments

Subject category Comment text
Deposit GREATEST POTENTIAL IS STOPE FILL PLUS UNEXPLORED LUCINDA VEI

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Arizona Department Of Mineral Resources U.S. Bureau of Mines

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.