Helena

Producer in Lane county in Oregon, United States with commodities Gold, Silver, Zinc, Lead, Copper, Antimony, Barium-Barite
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 10109490
MRDS ID M025169
Record type Site
Current site name Helena
Related records 10274224

Geographic coordinates

Geographic coordinates: -122.61643, 43.58538 (WGS84)

Site location context

Political divisions (FIPS codes)

Lane(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bearbones Mountain(quadrangle 1:24,000 scale)

Oakridge(quadrangle 1:100,000 scale)

Roseburg(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Umpqua(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Umpqua 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 Lane

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 023S 001E 12 SE OF SE Oregon

Commodities

Commodity Importance
Gold Primary
Silver Primary
Zinc Critical Primary
Lead Primary
Copper Primary
Antimony Critical Tertiary
Barium-Barite Critical Tertiary

Comments on the commodity information

  • UNUSUALLY SHALLOW DEPTH OF OXIDATION LIMITED THE QUANITY OF EASILY MILLED ORE.

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Barite Gangue
Kaolinite Gangue
Quartz Gangue

Analytical data

Result ORE SHOOT SAMPLES (TABER, 1949) ASSAYED 3.15 OZ/TON AU
Result 2.8 OZ/TON AG
Result 4.8% PB
Result 5.8% ZN
Result 1.2% CU

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Little Butte Volcanics
    Rock description Little Butte Volcanics

Nearby scientific data

(1) -122.61643, 43.58538

Economic information

Ore body information

  • Strike N57W
    Dip 65-70NE
    Length 914.4M
    Width 3.05M

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Bohemia

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner H. E. L. Barton
    Home office Eugene, Or.
    First year 1981

Comments on the workings information

  • ABOUT 2000 FT OF DRIFTS AND CROSSCUTS WITH ADDITIONAL 500 FT OF RAISES. THREE ORE SHOOTS 50 TO 200 FT BY 3 TO 8 FT WERE MINED TO A DEPTH OF 200 FT.

Comments on development

  • SOME CORE DRILLING IN 1964

Reference information

Bibliographic references

  • Deposit

    BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P. 312

  • Deposit

    LUTTON, R.J., 1962, GEOLOGY OF THE BOHEMIA MINING DISTRICT, LANE COUNTY, OREGON; UNIV. ARIZONA PHD DISSERTATION

  • Deposit

    TABER, J.W., 1949, A RECONNAISSANCE OF LODE MINES AND PROSPECTS IN THE BOHEMIA MINING DISTRICT; DOUGLAS AND LANE COUNTIES, OREGON; USBM INF. CIRC. 7512, P. 25

  • Deposit

    CALLAGHAN, E. AND BUDDINGTON, A.F., 1938, METALLIFEROUS MINERAL DEPOSITS OF THE CASCADE RANGE IN OREGON; USGS BULL. 893, P. 54

  • Production

    BROOKS AND RAMP (1968)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-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.

External references