| Deposit ID | 10098503 |
|---|---|
| MRDS ID | M060538 |
| Record type | Site |
| Current site name | Jack Shade Chromite |
| Alternate or previous names | Black Prince, Hot Dog |
| Related records | 10249696 |
| Geographic coordinates: | -123.76033, 42.33204 (WGS84) |
|---|---|
| Elevation | 808 |
Political divisions (FIPS codes)
Josephine(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)
Illinois(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)
| Country | State | County |
|---|---|---|
| United States | Oregon | Josephine |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 037S | 009W | 21 | Oregon |
| Commodity | Importance |
|---|---|
| Chromium Critical | Primary |
| Materials | Type of material |
|---|---|
| Chromite | Ore |
| Calcite | Gangue |
| Talc | Gangue |
| Result | ONE ASSAY SAMPLE -47.54% CR2O3 |
|---|---|
| Result | 11.05% FE |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite | ||
| |||
| (1) | -123.76033, 42.33204 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Small Shears May Have Drawn Out Smaller Ore Bodies |
| General form | IRREGULAR PATCHES & BANDS |
|---|---|
| Strike | E-W |
| Dip | 20S |
| Length | 1.22M |
| Width | 0.61M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Central Illinois River |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Siskiyou National Forest |
| Year | 1953 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1941-1953 | ||||||||||||||
| Material | ORE (CR) | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Cp_Grade: ^43% Cr2o3 To 50% Cr2o3 | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M060538 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0410330264 |
RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPT. GEOLOGY AND MINERAL IND. BULL. 52, 169 P.
THAYER, T. P., 1974, UNPUBL. DATA
RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45P
| Subject category | Comment text |
|---|---|
| Deposit | OFFSET BY SEVERAL STEEPLY DIPPING FAULTS |
| Deposit | RECORD NUMBER (M013639) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1984 | Unknown | U.S. Geological Survey | |
| Updater | 01-APR-1981 | Ferns, Mark L. (Brooks, Howard C.) | U.S. Geological Survey | |
| Updater | 01-AUG-1993 | Gray, Jerry J. | Oregon Department of Geology and Mineral Industries |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.