| Deposit ID | 10048538 |
|---|---|
| MRDS ID | MP00131 |
| Record type | Site |
| Current site name | Yellowbottom-Boulder Creek Area |
| 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 |
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)
| Country | State | County |
|---|---|---|
| United States | Oregon | Linn |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 011S}011S}012S | 003E}004E}004E | 24,25,26,35,36}19,20,29,30}06 | Oregon |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Copper | Secondary |
| Molybdenum | Secondary |
| Arsenic Critical | Tertiary |
| Antimony Critical | Tertiary |
| Bismuth Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Calcite | Gangue |
| Chlorite | Gangue |
| Quartz | Gangue |
| Sericite | Gangue |
| Tourmaline | Gangue |
| 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 |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| 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 |
| (1) | -122.36644, 44.58898 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Sardine Syncline (Immediately To East), Shear Zones, Brecciated Zones |
| General form | VEINS |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Quartzville Area |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Operator |
|---|---|
| Owner | Orvana Resources Corp. (Pre- |
| Last year | 1988 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | MP00131 |
NICHOLSON, 1988
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
| 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 |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-94 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.