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Sylvanite Mine

Producer in Jackson county in Oregon, United States with commodities Gold, Silver, Lead, Tungsten
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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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10107661
MRDS ID D001342
Record type Site
Current site name Sylvanite Mine
Alternate or previous names Last Chance

Geographic coordinates

Geographic coordinates: -123.02308, 42.46315 (WGS84)
Elevation 427

Site location context

Political divisions (FIPS codes)

Jackson(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gold Hill(quadrangle 1:24,000 scale)

Grants Pass(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Rogue(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Jackson

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 036S 003W 02 S Oregon

Comments on the location information

  • LAT. AND LONG. ARE APPROX.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Tungsten Critical Primary

Comments on the commodity information

  • 4.60 AU:AG

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrite Ore
Scheelite Ore
Silver Ore
Chlorite Gangue
Quartz Gangue
Serpentine Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Gold Hill Stock
    Rock description Gold Hill Stock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Applegate Group;Applegate Group
    Rock description Applegate Group;Applegate Group

Nearby scientific data

(1) -123.02308, 42.46315
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault Zone

Ore body information

  • Strike N22E
    Dip 65E

Controls for ore emplacement

  • High Grade Ore Shoot Developed Along Vein Intersections

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Gold Hill

Production statistics

  • Year 1959
    Period 1931-1959
    Material AG
    Accuracy Accurate
    Description Cp_Grade: ^ 0.04 Lb/Ton Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Lead Lead 20g/mt
  • Year 1959
    Period 1931-1959
    Material AU
    Accuracy Accurate
    Description Cp_Grade: ^ 0.20 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Silver Silver 6g/mt
  • Year 1959
    Period 1931-1959
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^0.92 Oz/Ton Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 29g/mt

Comments on the production information

  • LEMMON, UNPUBLISHED DATA; USBM

Comments on the workings information

  • OVER 2200 FEET ON 3 LEVELS WITH A 600 FT INCLINE SHAFT LEMMON, UNPUBLISHED DATA; USBM

Reference information

Bibliographic references

  • Deposit

    BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P. 243, 264

  • Deposit

    LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.

  • Deposit

    WOLFE, H.D., AND WHITE, D.J., 1951, OREGON DEPT. GEOL. AND MINERAL INDUSTRIES G.M.I. SHORT PAPER 22.

  • Deposit

    PARKS, H.M., AND SWARTLEY, A.M., 1916, OREGON BUREAU OF MINES AND GEOL., MIN. RES. OREGON, VOL. 2.

  • Deposit

    5) LEMMON, D.M., UNPUBLISHED DATA

  • Deposit

    6) OREGON METAL MINES HANDBOOK, 1943, ODGMI BULL. 14-C, VO

  • Production

    REF. NO. 1 TOTAL PRODUCTION IS ESTIMATED AT $700,000 (BROOKS AND RAMP, 1968)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Elliott, James E. U.S. Geological Survey
Updater 01-DEC-1980 Ferns, Mark L. (Brooks, Howard C.) Oregon Department of Geology and Mineral Industries EDITED HOST ROCK TYPE, HOST ROCK AGE, ASSOCIATED ROCK TYPE, ASSOCIATED ROCK AGE, HOST ROCK UNIT NAME, HOST ROCK UNIT AGE, ASSOCIATED ROCK UNIT NAME, ASSOCIATED ROCK UNIT AGE.
Updater 01-AUG-1993 Gray, Jerry J. U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Updater 18-AUG-1992 Mosier, Dan U.S. Geological Survey
Editor 09-JUN-1995 Mosier, Dan U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site