Roba - Westfall

Past Producer in Grant county in Oregon, United States with commodity Mercury
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. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Production statistics
  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 10040232
MRDS ID M054927
Record type Site
Current site name Roba - Westfall
Alternate or previous names Deer Creek
Related records 10177047

Geographic coordinates

Geographic coordinates: -119.28357, 44.20985 (WGS84)

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Flagtail Mountain(quadrangle 1:24,000 scale)

Dayville(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Silvies(hydrologic unit)

Oregon Closed Basins(hydrologic accounting unit)

Oregon Closed Basins(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Malheur National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Oregon Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 016S 029E 06 SW Oregon

Comments on the location information

  • SW/4 SEC 6

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Pyrite Ore
Calcite Gangue

Alteration

  • (Local) No Alteration Apparent

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone

Nearby scientific data

(1) -119.28357, 44.20985

Economic information

Geologic structures

Type of structure Local
Structure description Local Faults And Shears

Ore body information

  • General form FUNNEL

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1947
Discoverer L. H. Roba
Production years 1951-1953

Mining district

District name Murderers Creek

Land status

Ownership category
Area name Malheur Natioal Forest

Ownership information

  • Type Owner
    Owner Lawrence H. Roba, V. M. Westfall
    First year 1963

Production statistics

  • Year 1963
    Period To 1963
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^3-10 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 2936g/mt

Comments on the production information

  • POSSIBLY 12 FL PRODUCED

Comments on the reserve resource information

  • NO MEASURABLE RESERVES

Workings at the site

  • Type of workings Underground
    Length 91.44M
    Overall depth 39.01M

Comments on the workings information

  • WATER IN WORKINGS POSSIBLY 12 FL PRODUCED

Reference information

Bibliographic references

  • Deposit

    BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    MERCURY IN OREGON, 1965, USBM IC 8252

  • Deposit

    1953 DIREXPL DMEA , NO MINEABLE HG FOUND IN AREA EXPLORED , NO MINEABLE HG FOUND IN AREA EXPLORE

  • Production

    BROOKS, 1963, BAILEY

General comments

Subject category Comment text
Deposit CONSV. RECORD ( M014859 ) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE. ; INFO.SRC : BAILEY E H

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1976 Peterson, Jocelyn A. U.S. Geological Survey
Updater 01-JUL-1978 Bradley, Robin (Walker, George W.) U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries

Beyond USGS

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

External references