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  3. Mineral Resource Data System (MRDS)

Lost Flat

Occurrence in Josephine county in Oregon, United States with commodities Gold, Silver
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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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10042766
MRDS ID M060777
Record type Site
Current site name Lost Flat
Related records 10128663

Geographic coordinates

Geographic coordinates: -123.66338, 42.53288 (WGS84)

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Peavine(quadrangle 1:24,000 scale)

Canyonville(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Rogue(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Rogue River-Siskiyou National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Oregon Josephine

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 035S 008W 17 NE Oregon

Comments on the location information

  • NE 1/4

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Clay Gangue
Quartz Gangue
Talc Gangue

Analytical data

Result PICKED SAMPLE ASSAYED 0.64 OZ/TON AU
Result 0.36 OZ/TON AG

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Amphibolite
    Rock unit name Briggs Creek Amphibolite
    Rock description Briggs Creek Amphibolite

Nearby scientific data

(1) -123.66338, 42.53288
ListMap

Economic information

Ore body information

  • General form LENSES AND STRINGERS
    Strike N30E
    Dip 30W

Comments on the geologic information

  • AREA OF COMPLEX GEOLOGY NEAR A MAJOR THRUST FAULT

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Production years 1870'S

Mining district

District name Galice

Land status

Ownership category National Forest
Area name Siskiyou National Forest

Ownership information

  • Type Owner
    Owner Dick Bland, Springfield Oregon
    First year 1973

Comments on the production information

  • SMALL AMT SHIPPED FOR TEST ONLY

Comments on the workings information

  • ARRASTRASMALL AMT SHIPPED FOR TEST ONLY

Reference information

Bibliographic references

  • Deposit

    RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45P

  • Deposit

    OREGON METAL MINES HANDBOOK, 1942, ODGMI BULL. 14-C, VOL. 2, SEC. 1, P.45

  • Deposit

    PETERSON, N.V. AND RAMP, L., 1973, LOST FLAT MINE; ODGMI UNPUBLISHED FILE REPORT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Maureen G. U.S. Geological Survey
Updater 01-MAR-1981 Ferns, Mark L. (Brooks, Howard C.) 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.

Maps centered on this site