| Deposit ID | 10043085 |
|---|---|
| MRDS ID | M061574 |
| Record type | Site |
| Current site name | Little Siberia |
| Related records | 10225569 |
| Geographic coordinates: | -123.84866, 42.27649 (WGS84) |
|---|---|
| Elevation | 1055 |
| Location accuracy | 100(meters) |
| Relative position | 1.8 MI SOUTH OF PEARSOLL PEAK |
Political divisions (FIPS codes)
Curry(county)
Oregon(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Pearsoll Peak(quadrangle 1:24,000 scale)
Grants Pass(quadrangle 1:100,000 scale)
Medford(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Chetco(hydrologic unit)
Southern Oregon Coastal(hydrologic accounting unit)
Oregon-Washington Coastal(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Rogue River-Siskiyou National Forests(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
Kalmiopsis Wilderness(Wilderness)
Wilderness FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Oregon | Curry |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 038S | 010W | 11 | NE4 OF SW4 | Oregon |
| Commodity | Importance |
|---|---|
| Chromium Critical | Primary |
| Rhodium Critical | Tertiary |
| Platinum Critical | Tertiary |
| Palladium Critical | Tertiary |
| Iridium Critical | Tertiary |
| Ruthenium Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chromite | Ore |
| Talc | Gangue |
| Result | PICKED HIGH-GRADE SAMPLE ASSAYED 55.07% CR2O3, 13.14% FE |
|---|---|
| Result | 1 PGE ANALYSIS: PT=<10 PPB |
| Result | PD=<4 PPB |
| Result | IR=40 PPB |
| Result | RU=200 PPB |
| Result | RH=21 PPB. |
| Model code | 15 |
|---|---|
| USGS model code | 8a |
| Deposit model name | Podiform chromite (minor) |
| Mark3 model number | none |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite | ||||
| Rock unit name | Pearsoll Peak Ophiolite | ||||
| Rock description | Pearsoll Peak Ophiolite | ||||
| |||||
| (1) | -123.84866, 42.27649 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Landslide |
| General form | STRINGERS, LENSES, SCHLIEREN, DISSEMINATED |
|---|---|
| Width | 1.52M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Pearsoll Peak Area |
|---|
| Ownership category | National Wilderness |
|---|---|
| Area name | Siskiyou National Forest |
| Type | Owner |
|---|---|
| Owner | Jackson, Roy |
| Last year | 1961 |
| Year | 1954 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Ap_Grade: ^44% Cr2o3 | ||||||||||||||
| |||||||||||||||
| Year | 1955 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1951-1955 | ||||||||||||||
| Material | ORE | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Cp_Grade: ^Mill Ore, 44% Cr2o3 (Weighted Average Grade) | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M061574 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0410150024 |
RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 52, P. 103-104.
THAYER, T.P., 1974, U.S. GEOLOGICAL SURVEY, UNPUB. DATA
PAGE, N.J, JOHNSON, M.G., HAFFTY, JOSEPH, AND RAMP, LEN, 1975, OCCURRENCE OF PLATINUM GROUP METALS IN ULTRAMAFIC ROCKS OF THE MEDFORD-COOS BAY 2 DEGREE QUADRANGLE, SOUTHWESTERN OREGON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-694, SCALE 1:250,000.
RAMP, LEN, SCHLICKER, H.G., AND GRAY, J.J., 1977, GEOLOGY, MINERAL RESOURCES, AND ROCK MATERIAL OF CURRY COUNTY, OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 93, P. 31.
CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM-GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-442, 14 P.
| Subject category | Comment text |
|---|---|
| Deposit | ORE IS SIMILAR TO THAT AT PEARSOLL PEAK MINE. ORE ZONE IS IRREGULAR, LENSES TAPER AND HAVE MINOR FAULT OFFSETS |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-76 | Johnson, Maureen G. | U.S. Geological Survey | |
| Updater | 01-MAR-81 | Ferns, Mark L. (Brooks, Howard C.) | Oregon Department of Geology and Mineral Industries | |
| Updater | 01-MAY-89 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.