Unnamed Occurrence (ARDF - SI053; north of Columbia Point), Chichagof Mining District (Chicagof Mining District), Hoonah-Angoon Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
57° 47' 39'' North , 135° 6' 35'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Tenakee Springs | 133 (2017) | 6.6km |
| Hoonah | 757 (2017) | 40.2km |
Location: This occurrence is at an elevation of about 2,000 feet, about 1.2 miles north of Columbia Point in Tenakee Inlet. The occurrence is 0.2 mile northwest of the center of sec. 18, T. 47 S., R. 64 E. It is location P-27 of Bittenbender and others (1999) and MAS no. 0021140200 (U.S. Bureau of Land Management, 2002). The location is accurate within 0.2 mile.
Geology: The rocks in the vicinity of this occurrence are part of the Devonian, Kennel Creek Limestone which consists of limestone, minor dolomite, limestone breccia, shale, and siltstone (Lathram and others, 1965). Calcite veins in a a diabase dike contain chalcopyrite, malachite, hematite, and covellite. (Loney and others, 1963).
Workings: Only surface sampling.
Age: Devonian or younger based on the age of the host rock.
Commodities (Major) - Cu
Development Status: None
Deposit Model: Calcite veins with copper minerals in a diabase dike.
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
5 valid minerals.
Detailed Mineral List:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Covellite Formula: CuS |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Covellite | 2.CA.05a | CuS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Covellite | CuS |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Hematite | Fe2O3 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Covellite | CuS |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
Other Databases
| Link to USGS - Alaska: | SI053 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
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