Roark and Lowry

Occurrence in Jefferson 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. Economic information about the deposit and operations
  12. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10041037
MRDS ID M055950
Record type Site
Current site name Roark and Lowry
Alternate or previous names Lourey, Garnet No. 1, Roark
Related records 10225214

Geographic coordinates

Geographic coordinates: -120.555, 44.72816 (WGS84)

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Horse Heaven Creek(quadrangle 1:24,000 scale)

Stephenson Mountain(quadrangle 1:100,000 scale)

Bend(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower John Day(hydrologic unit)

John Day(hydrologic accounting unit)

Middle Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 010S 018E 03 CENTER Oregon

Comments on the location information

  • LOCATED AT CENTER OF SECTION

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Calcite Gangue

Alteration

  • (Local) Hydrothermal

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Biotite Rhyolite Of Muddy Butte
    Rock description Biotite Rhyolite Of Muddy Butte
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -120.555, 44.72816

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1941
Discoverer E. D. Lowry

Mining district

District name Horse Heaven

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 16.46M

Comments on the workings information

  • NOW CAVED

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    MERCURY IN OREGON, 1965, USBM IC 8252

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Peterson, Jocelyn A. U.S. Geological Survey
Updater 01-AUG-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.