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Unnamed Occurrence (ARDF - SK040; north of Klehini River), Haines, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SK040; north of Klehini River) | - not defined - |
| Haines | City Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
59° 26' 23'' North , 136° 19' 12'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mosquito Lake | 309 (2011) | 16.3km |
Location: This occurrence is at an elevation of about 1,400 feet approximately 1.6 miles, S71E from the Pleasant Camp border station on the Alaska-British Columbia border. It is in the SE1/4, section 13, T. 28 S., R. 53 E. of the Copper River Meridian. It is defined by sample localities 18 to 21 on figure 2 of Still and others (1984) and sample localities 15, 17 and 18 on figure 5 of Still and others (1987).
Geology: This occurrence is defined by several anomalous samples reported by Still and others (1984, 1987). These two reports contain essentially the same data for this area. Metasediments and gossan are noted in the sample descriptions for those grab samples that contained the highest gold values, 0.066 to 0.316 ppm gold. Two sample descriptions are 'felsite with pyrite' and one of these contained 0.013 ppm gold. Another sample was described as 'calcite vein with pyrrhotite' and contained 330 ppm copper. One stream sediment sample contained 0.581 ppm gold. Bedrock in the area is marble, metasediments and metavolcanics of the Cheetdeekahyu Group of Redman and others (1985). The probable Devonian or Triassic age of these rocks (Gilbert and others, 1987) establishes a maximum age for the mineralization.
Age: No older than the probable Devonian or Triassic age of the host rocks (Gilbert and others, 1987).
Commodities (Major) - Au
Development Status: None
Deposit Model: Too little information to assign a model type.
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.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
Other Databases
| Link to USGS - Alaska: | SK040 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
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