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Larrew Property

Occurrence in Tillamook county in Oregon, United States with commodities Copper, Gold
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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. Economic information about the deposit and operations
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10036504
MRDS ID M025330
Record type Site
Current site name Larrew Property
Related records 10128417

Geographic coordinates

Geographic coordinates: -123.61621, 45.25536 (WGS84)

Site location context

Political divisions (FIPS codes)

Tillamook(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dovre Peak(quadrangle 1:24,000 scale)

Yamhill River(quadrangle 1:100,000 scale)

Vancouver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Wilson-Trusk-Nestuccu(hydrologic unit)

Northern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Tillamook

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 004S 008W 01 NE OF NW Oregon

Commodities

Commodity Importance
Copper Primary
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Chert Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -123.61621, 45.25536
ListMap

Economic information

Comments on the geologic information

  • TWO TO THREE PER CENT EUHEDRAL PYRITE IN A WEATHERED SANDSTONE. CHALCOPYRITE (?) OCCURS IN THIN BUNCHES AND STREAKS.

Economic information about the deposit and operations

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

Land status

Ownership category Private

Comments on development

  • A SMALL MILL WAS BUILT IN 1939

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1951, ODGMI BULL. 14-D, P. 149

General comments

Subject category Comment text
Deposit SEDIMENTARY ACCUMULATION?

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1981 Ferns, Mark L. (Brooks, Howard C.) Oregon Department of Geology and Mineral Industries
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.

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