Jack Shade Chromite (Black Prince; Hot Dog; Grants Pass Chrome Company), Central Illinois River Mining District, Josephine County, Oregon, USAi
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Latitude & Longitude (WGS84):
42° 19' 56'' North , 123° 45' 33'' West
Latitude & Longitude (decimal):
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Selma | 695 (2011) | 13.2km |
| Kerby | 595 (2011) | 17.7km |
| Cave Junction | 1,932 (2017) | 20.9km |
| O'Brien | 504 (2011) | 29.8km |
| Redwood | 2,627 (2011) | 32.1km |
Mindat Locality ID:
149654
Long-form identifier:
mindat:1:2:149654:6
GUID (UUID V4):
d02f2d18-b80a-49c3-9840-2cfd1c1af1fe
REF:Deposit:: RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPT. GEOLOGY AND MINERAL IND. BULL. 52, 169 P.
Deposit:: OR. DEPT. GEOL. AND MIN. INDUST. BULLETIN 100, 1979,
Deposit:: PLATE 2, NO. 257.
Deposit:: THAYER, T. P., 1974, UNPUBL. DATA
Deposit:: RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUN
Commodities (Major) - Chromium
Development Status: Past Producer
Host Rock Unit: Rhyolite Porphyry Intrusive (Koipato Formation)
Structure: Small Shears May Have Drawn Out Smaller Ore Bodies
Host Rock: Dunite, Serpentinite
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
3 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| β Calcite Formula: CaCO3 |
| β Chromite Formula: Fe2+Cr3+2O4 |
| β Talc Formula: Mg3Si4O10(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| Group 5 - Nitrates and Carbonates | |||
| β | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| β | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Talc | Mg3Si4O10(OH)2 |
| C | Carbon | |
| C | β Calcite | CaCO3 |
| O | Oxygen | |
| O | β Calcite | CaCO3 |
| O | β Chromite | Fe2+Cr23+O4 |
| O | β Talc | Mg3Si4O10(OH)2 |
| Mg | Magnesium | |
| Mg | β Talc | Mg3Si4O10(OH)2 |
| Si | Silicon | |
| Si | β Talc | Mg3Si4O10(OH)2 |
| Ca | Calcium | |
| Ca | β Calcite | CaCO3 |
| Cr | Chromium | |
| Cr | β Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | β Chromite | Fe2+Cr23+O4 |
Other Databases
| Link to USGS MRDS: | 10098503 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
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