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Yellowbottom-Boulder Creek Area

Occurrence in Linn county in Oregon, United States with commodities Gold, Silver, Lead, Zinc, Copper, Molybdenum, Arsenic, Antimony, Bismuth
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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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10048538
MRDS ID MP00131
Record type Site
Current site name Yellowbottom-Boulder Creek Area

Geographic coordinates

Geographic coordinates: -122.36644, 44.58898 (WGS84)
Elevation 671
Location accuracy 100(meters)
Relative position ABOUT 3 MI WEST OF QUARTZVILLE TOWN SITE, Accurate Within Mineralized Area. Location Given Is Argillic-Phyllic Altered Area East Of Yellowbottom Campground

Site location context

Political divisions (FIPS codes)

Linn(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Quartzville(quadrangle 1:24,000 scale)

North Santiam River(quadrangle 1:100,000 scale)

Salem(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Santiam(hydrologic unit)

Willamette(hydrologic accounting unit)

Willamette(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Linn

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 011S}011S}012S 003E}004E}004E 24,25,26,35,36}19,20,29,30}06 Oregon

Comments on the location information

  • AREA IS IMMEDIATELY WEST OF QUARTZVILLE MINING DISTRICT IN A RECREATIONAL MINING CORRIDOR ADMINISTERED BY THE U.S. BUREAU OF LAND MANAGEMENT

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Zinc Critical Primary
Copper Secondary
Molybdenum Secondary
Arsenic Critical Tertiary
Antimony Critical Tertiary
Bismuth Critical Tertiary

Comments on the commodity information

  • GALENA AND SPHALERITE PRESENT ONLY LOCALLY WITHIN AREA AND CHALCOPYRITE HAS BEEN REPORTED BUT NOT SEEN BY NICHOLSON (1988)

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Calcite Gangue
Chlorite Gangue
Quartz Gangue
Sericite Gangue
Tourmaline Gangue

Alteration

  • (Local) Ubiquitous Propylitic Alteration, Structurally Controlled Argillic-Phyllic Alteration, Linear To Cylindrical Zones Of Brecciated And Silicified Rock, And Tourmaline-Quartz Alteration Of Breccia Zones

Analytical data

Result BRECCIATED ROCKS CONTAIN AS MUCH AS 580 PPM AU, 5.5 PPM AG, 495 PPM CU, 50 PPM MO, 520 PPM ZN, 930 PPM PB, 976 PPM AS, 56 PPM SB, AND 53 PPM BI

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Quartz Monzodiorite
    Rock unit name Yellowbottom Stock
    Rock description Yellowbottom Stock;
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Rock unit name Sardine Formation;Sardine Formation;Sardine Formation
    Rock description Sardine Formation;Sardine Formation;Sardine Formation

Nearby scientific data

(1) -122.36644, 44.58898
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Sardine Syncline (Immediately To East), Shear Zones, Brecciated Zones

Ore body information

  • General form VEINS

Comments on the geologic information

  • OTHER SMALL INTRUSIONS OF VARIOUS COMPOSITIONS ARE PRESENT IN AREA. SULFUR ISOTOPIC COMPOSITIONS INDICATE A MAGAMTIC SOURCE FOR SULFUR AND SULFUR ISOTOPES AND FLUID INCLUSIONS INDICATE TEMPERATURES OF FORMATION OF 157 TO 260 DEGREES C. VOLCANIC ROCKS OF AREA DIP 10-20 DEGREES SE, PRESUMABLY INTO SARDINE SYNCLINE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Quartzville Area

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Orvana Resources Corp. (Pre-
    Last year 1988

Comments on the workings information

  • A FEW SMALL TEST PITS NEAR CONFLUENCE OF YELLOWSTONE AND QUARTZVILLE CREEKS

Comments on development

  • ORVANA COLLECTED AND ANALYZED SAMPLES IN CONJUNCTION WITH EXPLORATION IN THE QUARTZVILLE DISTRICT

Reference information

Bibliographic references

  • Analytical Data

    NICHOLSON, 1988

  • Deposit

    NICHOLSON, D.K., 1988, GEOLOGY, GEOCHEMISTRY, AND MINERALIZATION OF THE YELLOWBOTTOM-BOULDER CREEK AREA, LINN COUNTY, OREGON: CORVALLIS, OREGON STATE UNIVERSITY, M.S. THESIS, 186 P

General comments

Subject category Comment text
Deposit PORPHYRY-TYPE SYSTEM SUGGESTED AT DEPTH BENEATH AREA THAT POSSIBLY INCLUDES BRECCIA-PIPE COPPER MINERALIZATION, AN UNPUBLISHED DEPOSIT MODEL BECAUSE AREA INCLUDES MINERALIZED BRECCIA PIPES AND BRECCIATED ZONES. SEVERAL SHEAR ZONES ARE ASSOCIATED WITH MINERALIZATION AND MAY REPRESENT ZONES ALONG WHICH FLUIDS FROM A COOLING PLUTON AT DEPTH MIGRATED (NICHOLSON, 1988)
Deposit AREA IS USED BY RECREATIONAL GOLD PANNERS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-94 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

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