Inaccessible Ridge Occurrence, Noatak Mining District, North Slope Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Inaccessible Ridge Occurrence | Occurrence |
| Noatak Mining District | Mining District |
| North Slope Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
68° 28' 11'' North , 161° 51' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Location: Location plotted is Inaccessible Ridge locality of Churkin and others (1978, fig. 3); on continuation of Inaccessible Ridge on southwest side of westernmost fork at head of Kagvik Creek and about 0.5 mi (0.8 km) northeast of hill 3770; within 2 mi (3.2 km).
Geology: Malachite stains on fractures and marcasite nodules in tightly folded Triassic chert; yellow clay partings in chert near contact between intensely folded and faulted Lisburne Group and Siksikpuk Formation.
Workings: Contains 700 to more than 5000 ppm Ba (Churkin and others, 1978, p.20, 30-31).
Age: Mississippian (barite)
Alteration: Iron and copper staining
Commodities (Major) - Ba, Cu
Development Status: No
Deposit Model: Lode; stratiform
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
2 valid minerals.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 5 - Nitrates and Carbonates | |||
|---|---|---|---|
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| S | Sulfur | |
| S | ⓘ Baryte | BaSO4 |
| Cu | Copper | |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
Other Databases
| Link to USGS - Alaska: | MU005 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Brooks RangeMountain Range
- Rocky MountainsMountain Range
North America PlateTectonic Plate
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