Rowena Group

Occurrence in Lane county in Oregon, United States with commodities Gold, Silver, Copper, Zinc, Lead
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. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10095301
MRDS ID M025118
Record type Site
Current site name Rowena Group
Alternate or previous names Ravena?
Related records 10274180

Geographic coordinates

Geographic coordinates: -122.3306, 44.22288 (WGS84)

Site location context

Political divisions (FIPS codes)

Lane(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Blue River(quadrangle 1:24,000 scale)

McKenzie River(quadrangle 1:100,000 scale)

Salem(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mckenzie(hydrologic unit)

Willamette(hydrologic accounting unit)

Willamette(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Willamette 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 015S 004E 28 S OF S Oregon

Comments on the location information

  • EXTENDS INTO LINN COUNTY

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary
Zinc Critical Secondary
Lead Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Analytical data

Result ASSAYS REPORTED OF 0.03-0.80 OZ/TON AU
Result 7.0-9.63 OZ/TON AG
Result 5.2-7.6 % CU
Result 3-4.1 % ZN

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Little Butte Volcanics
    Rock description Little Butte Volcanics
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)

Nearby scientific data

(1) -122.3306, 44.22288

Economic information

Ore body information

  • Strike N 10-35 W
    Dip 90
    Width 1.83M

Comments on the geologic information

  • THE VEIN CONSISTS OF BRECCIATED, ALTERED TUFF WITH QUARTZ STRINGERS AND PARTLY LEACHED SULFIDES, MAINLY CHALCOPYRITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Blue River

Land status

Ownership category
Area name Willamette National Forest

Comments on the production information

  • NO PRODUCTION REPORTED

Comments on the workings information

  • 750 FT. OF DEVELOPMENT IN TWO-ADITS NO PRODUCTION REPORTED

Reference information

Bibliographic references

  • Deposit

    BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P. 303

  • Deposit

    OREGON METAL MINES HANDBOOK, 1951, ODGMI BULL. 14-D, P. 50

  • Deposit

    CALLAGHAN, E. AND BUDDINGTON, A.F., 1938, METALLIFEROUS MINERAL DEPOSITS OF THE CASCADE RANGE IN OREGON; USGS BULL. 893, P. 122

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.