Bertha Claim

Past Producer in Tooele county in Utah, United States with commodities Copper, 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. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10021251
MRDS ID DC15285
Record type Site
Current site name Bertha Claim

Geographic coordinates

Geographic coordinates: -113.18443, 39.98244 (WGS84)
Elevation 1753
Relative position 1 MILE S. OF 4 METALS MINE

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dugway Range NW(quadrangle 1:24,000 scale)

Fish Springs(quadrangle 1:100,000 scale)

Delta(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Great Salt Lake Desert(hydrologic unit)

Great Salt Lake(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Tooele

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 010S 012W 03 SE OF NE SW Utah

Comments on the location information

  • PROPERTY CONSIST OF THREE GROUPS OF UNPATENTED CLAIMS, THE MASTODON GROUP, HIGH UP GROUP, LOW DOWN GROUP.

Commodities

Commodity Importance
Copper Primary
Lead Secondary

Materials information

Materials Type of material
Chalcanthite Ore
Chalcopyrite Ore
Covellite Ore
Hematite Ore
Malachite Ore
Pyrite Ore
Barite Gangue
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Gossan, Clay, Hydrothermal

Analytical data

Result 1964 CHIP SAMPLE AROUND EDGE OF STOPE AT SE END OF ADIT: 3.7% CU, 1.2% PB, .001% U, .06 OZ AU, .22 OZ AG, .50% ZN

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Dolomite (Ochre Mtn Or Fandangle Ls)
    Rock description Dolomite (Ochre Mtn Or Fandangle Ls)
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -113.18443, 39.98244

Economic information

Geologic structures

Type of structure Regional
Structure description Buckhorn Thrust Fault Probably Underlies This Property
Type of structure Local
Structure description Property Is In A Graben Between 2 Upfaulted Blocks Of Prospect Mtn Quartzite

Ore body information

  • General form VEINS
    Length 15.24M
    Width 15.24M

Controls for ore emplacement

  • Fissure Veins

Comments on the geologic information

  • ORE CONSISTS OF A DARK GREENISH-GRAY, FINE-GRAINED CLAYEY MATERIAL THRU. WHICH ARE SCATTERED NUMEROUS PYRITE CUBES 0.4-20MM ACROSS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1890
Discoverer J.B. Thompson
Year of first production 1900

Mining district

District name Dugway District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Hollinger-Macfarland
    First year 1955
  • Type Owner
    Owner J. F. And T. Q. Cannon
    First year 1956

Comments on the production information

  • A LITTLE COPPER ORE WAS SHIPPED TO A SMELTER NEAR STOCKTON AROUND 1900

Comments on the reserve resource information

  • IRON ORE POTENTIAL DOES NOT EXCEED 1,000 TONS.

Workings at the site

  • Type of workings Surface/Underground
    Length 150.88M
    Overall depth 28.96M

Comments on the workings information

  • WORKINGS CONSIST OF A SHAFT, A CROSSCUT PIT, & AN ADIT. THE PIT IS 8 FT DEEP, THE SHAFT IS INCLINED 41 DEG. N24E & IS 95 FT DEEP. THE ADIT CONNECTS WITH THE SHAFT AND IS 400 FT LONG
  • WORKINGS CONSIST OF SHALLOW PITS, A SHAFT, AN ADIT AND BULLDOZER CUTS.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MAGNETITE VEINS IN THE RENCHER FM ARE EXPOSED ON THE MASTODON CLAIMS. REPLACEMENT DEPOSITS ALONG THE CONTACT ZONE OCCURS ON THE HIGH UP AND LOW DOWN CLAIMS.
Deposit A 1964 2 1/2 CHANNEL SAMPLE, 5 FT ABOVE FLOOR LEVEL OVER SMALL WINZE ; INFO.SRC : 3 FIELD OBSERV
Deposit CLAIM WAS PATENTED ON MAY 16, 1900. BODY IS POORLY EXPOSED & HAS A MINIMUM LENGTH OF 80 FT & A WIDTH OF 32 FT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1981 Unknown U.S. Geological Survey
Updater 01-FEB-1991 Everts, Mike L. U.S. Geological Survey

Beyond USGS

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