Towers Creek prospect, Kupreanof Island, Petersburg Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Towers Creek prospect | Prospect |
| Kupreanof Island | Island |
| Petersburg Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
56° 51' 28'' North , 133° 24' 6'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Petersburg | 2,948 (2017) | 27.6km |
Other/historical names associated with this locality:
ARDF - PE081
Location: This prospect is on Towers Creek at an elevation of about 170 feet, about about 1.5 miles from the head of Towers Arm. It is near the center of section 11, T. 58 S., R. 76 E.
Geology: Still and others (2002) sampled this prospect which consists of an outcrop/boulder in Towers Creek of iron-stained, calcareous, silicified schist with disseminated and narrow bands of pyrite with sparse chalcopyrite. The country rock is Devonian schist near the contact with Triassic argillite of the Hyd Group (Karl and others, 1999). Six samples across the schist and the sulfide bands contained 175 to 713 ppm copper. This prospect was one of the discoveries by Amoco Minerals in 1978 and 1979. This work included airborne and ground geophysics, geologic mapping, soil and stream geochemical samples, and core drilling on a large block of claims covering the Tower Creek prospect.
Workings: This prospect was one of the discoveries by Amoco Minerals in 1978 and 1979. This work included airborne and ground geophysics, geologic mapping, soil and stream geochemical samples, and core drilling on a large block of claims covering the Tower Creek prospect.
Commodities (Major) - Cu
Development Status: None
Deposit Model: Volcanogenic massive sulfide deposit?
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: | PE081 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
USA
- Alaska
- Petersburg Borough
- Kupreanof Mining DistrictMining District
- ⭔Wrangell-Petersburg Census AreaBorough
- Petersburg Borough
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