Unnamed Occurrence (ARDF - CR040), Rush Peak, Prince of Wales Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
55° 38' 22'' North , 132° 41' 23'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Hollis | 112 (2011) | 9.8km |
| Thorne Bay | 483 (2017) | 11.8km |
| Klawock | 765 (2017) | 27.3km |
| Craig | 1,248 (2017) | 34.1km |
| Naukati Bay | 113 (2015) | 40.4km |
Mindat Locality ID:
200640
Long-form identifier:
mindat:1:2:200640:9
GUID (UUID V4):
ee82d284-5421-4951-9a94-a74a483c4611
Location: This occurrence is exposed in a road-metal pit about 1.4 miles northwest of Rush Peak and about 0.1 mile southeast of the center of section 9, T. 72 S., R. 83 E.
Geology: This occurrence was first described by Maas and others (1995). The rocks in the vicinity are part of the Silurian and Ordovician, andesitic breccia unit of Luck Creek (Eberlein and others, 1983; Brew, 1996). The occurrence consists of clots and disseminations of chalcopyrite and pyrite along fault zones of varying attitude in a 75-foot-thick section of brecciated argillite and agglomerate. Locally the mineralized fault zones forms stockworks. Up to 3 percent of the material along the fault zones is chalcopyrite but most zones contain much less. A chip sample across 4 feet of mineralized rock contained 2,619 parts per million copper and no gold.
Age: Unknown, other than that the occurrence is in Silurian or Ordovician rocks.
Commodities (Major) - Cu
Development Status: None
Deposit Model: Chalcopyrite along fault zones.
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.
Detailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Pyrite Formula: FeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | CR040 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Alexander DomainDomain
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References
