Ontko

Occurrence in Crook 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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10095495
MRDS ID M055957
Record type Site
Current site name Ontko
Related records 10225598

Geographic coordinates

Geographic coordinates: -120.45304, 44.39844 (WGS84)

Site location context

Political divisions (FIPS codes)

Crook(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Whistler Point(quadrangle 1:24,000 scale)

Prineville(quadrangle 1:100,000 scale)

Bend(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Crooked(hydrologic unit)

Deschutes(hydrologic accounting unit)

Middle Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Ochoco 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 Crook

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 013S 019E 33 CENTER Oregon

Comments on the location information

  • LOCATED AT CENTER OF SECTION

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Calcite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Clarno Formation;Clarno Formation
    Rock description Clarno Formation;Clarno Formation

Nearby scientific data

(1) -120.45304, 44.39844

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1930
Discoverer Andrew Ontko

Mining district

District name Ochoco Creek

Ownership information

  • Type Owner
    Owner Andrew Ontko
    First year 1963

Comments on the workings information

  • ALL WORKINGS CAVED

Reference information

Bibliographic references

  • Deposit

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

General comments

Subject category Comment text
Deposit Discovery Year: EARLY 1930

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Peterson, Jocelyn A. 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.