Peterson Property

Past Producer in Beaverhead county in Montana, United States with commodity Gypsum-Anhydrite
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Production statistics
  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 10089286
MRDS ID W015562
Record type Site
Current site name Peterson Property

Geographic coordinates

Geographic coordinates: -112.64615, 44.56296 (WGS84)
Elevation 2256
Relative position 5.5 MILES SOUTHWEST FROM LIMA

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gallagher Gulch(quadrangle 1:24,000 scale)

Lima(quadrangle 1:100,000 scale)

Dubois(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Red Rock(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management MT)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Montana Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 014S;015S 009W;009W 36;01 Montana

Comments on the location information

  • LOCATION AND ALTITUDE ARE FOR ADIT ALTHOUGH DEPOSIT COVERS A LARGER AREA

Commodities

Commodity Importance
Gypsum-Anhydrite Primary

Materials information

Materials Type of material
Gypsum Ore
Clay Gangue
Epidote Gangue
Hematite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Big Snowy Grp., Red & Black Sh. & Drk Gry Ls
    Rock description Big Snowy Grp., Red & Black Sh. & Drk Gry Ls
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian

Nearby scientific data

(1) -112.64615, 44.56296

Economic information

Geologic structures

Type of structure Regional
Structure description Northeast Strike Of Folds And Rock Units
Type of structure Local
Structure description Nw-Trending Fault Displaced Gypsums Beds, Two Ne Folds Complicate The Geologic Interpretation

Ore body information

  • General form TABULAR
    Strike N 45 DEG E
    Dip 80 DEG NW
    Plunge 65 DEG
    Plunge direction S 45 DEG W
    Length 320.04M
    Width 3.66M
    Depth to top 0M
    Depth to bottom 106.68M

Controls for ore emplacement

  • Chemical Precipitation And Stratigraphic Control

Comments on the geologic information

  • BIG SNOWY GRP. OVERLIES MISSION CANYON FM. (LS.), AND UNDERLIES PENN. AMSDEN LS. AND SH.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1908
Year of first production 1940

Mining district

District name Southern Tendoy Range

Land status

Ownership category Federal

Ownership information

  • Type Operator
    Owner T. Sloan And C. Wright
  • Type Owner
    Owner Lanora And James R. Peterson

Production statistics

  • Year 1940
    Material GYP
    Accuracy Accurate
    Description Ap_Grade: ^Samples Analyzed From 89 To 99 Percent Gypsum
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gypsum-Anhydrite Gypsum-Anhydrite 94wt-pct
  • Year 1941
    Material GYP
    Accuracy Accurate
    Description Ap_Grade: ^Samples Analyzed From 89 To 99 Percent Gypsum
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gypsum-Anhydrite Gypsum-Anhydrite 94wt-pct
  • Year 1942
    Material GYP
    Accuracy Accurate
    Description Ap_Grade: ^Samples Analyzed From 89 To 99 Percent Gypsum
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gypsum-Anhydrite Gypsum-Anhydrite 94wt-pct
  • Year 1943
    Material GYP
    Accuracy Accurate
    Description Ap_Grade: ^Samples Analyzed From 89 To 99 Percent Gypsum
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gypsum-Anhydrite Gypsum-Anhydrite 94wt-pct
  • Year 1959
    Material GYP
    Accuracy Accurate
    Description Ap_Grade: ^Samples Analyzed From 89 To 99 Percent Gypsum
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gypsum-Anhydrite Gypsum-Anhydrite 94wt-pct
  • Year 1967
    Period 1940 - 1967
    Material GYP
    Accuracy Estimate
    Description Cp_Grade: ^89 To 97 Percent Gypsum Production Of Portland Used For Cement And Shipped To Idaho Portland Cement Co.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gypsum-Anhydrite Gypsum-Anhydrite 93wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1967
    Total resources 226000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gypsum-Anhydrite Caso4 89 wt-pct Gypsum-Anhydrite Major 1967

Workings at the site

  • Type of workings Surface/Underground
    Area 0.065HA
    Length 146.3M
    Overall depth 85.34M
    Overall length 85.34M
    Overall width 6.1M

Comments on the workings information

  • SMALL UNDERGROUND STOPED AREAS WERE INCLUDED IN "LENGTH OF WORKINGS (M170)".

Comments on development

  • FOUR HORIZONTAL CHANNEL SAMPLES FROM LOWER ADIT & FROM TWO OPEN CUTS ANALYZED FOR FE2O3, MGO, CAO, CO2, SO3, H2O, & ACID INSOL. GYPSUM CONTENT FROM 71 TO 88.6 PERCENT ; ECON.COM: DEPOSIT IS 11 MILES FROM RAILROAD (BY ROAD)

Reference information

Bibliographic references

  • Deposit

    JOHNS, W. M., 1967, REPORT ON THE PETERSON, MCCARTHY AND TALENT GYPSUM PROPERTIES, BEAVERHEAD CO., MT.: MONT. BUREAU OF MINES AND GEOL. UNPUB. REPORT 21 P. AND MAPS

  • Deposit

    PERRY, E. S., 1949, GYPSUM, LIME, AND LIMESTONE IN MONTANA: MONT. BR. MINES AND GEOL. MEM. 29, 45 P.

  • Deposit

    JOHNS, W.M., 1967, REPORT ON THE PETERSON, MCCARTHY, AND TALENT GYPSUM PROPERTIES, BEAVERHEAD COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY, 21 P. AND MAPS.

  • Deposit

    1949 RECON MBMG, MEMOIR 29

  • Deposit

    1967 GEOLMAP MBMG, UNPUB. REPORT

  • Deposit

    1967 OTHER MBMG, UNPUB. REPORT

  • Production

    JOHNS, W. M., 1967, GYPSUM PROPERTIES, BEAVERHEAD CO., MONT.

General comments

Subject category Comment text
Deposit PLUNGE AND PLUNGE DIRECTION ARE APPROXIMATE AND WERE RECORDED AT THE PORTAL OF ADIT 7323 DRIVEN NORTHEASTERLY ON BED A
Deposit THE TWO PERIODS OF DIVERSE FOLDING AND SUBSEQUENT FAULTING OF GYPSUM DEPOSITS MAKE THE GEOLOGY OF THE IMMEDIATE AREA QUITE COMPLEX

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1977 Johns, Willis M.; R. B. Berg U.S. Geological Survey

Beyond USGS

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