Unnamed Occurrence (ARDF - JU003; west of Mt. Elder), Glacier Bay Mining District, Juneau Mining District, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - JU003; west of Mt. Elder) | - not defined - |
| Glacier Bay Mining District | - not defined - |
| Juneau Mining District | Mining District |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
58° 58' 42'' North , 135° 51' 14'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is on the west side of Mt. Elder at an elevation of about 3,700 feet. It is in the SE1/4 section 26, T. 33 S., R. 57 E. of the Copper River Meridian. It is location number J002 of Wells and others (1986). The location is accurate within 1/2 mile.
Geology: Wells and others (1986) describe this deposit as psilomelane, pyrite, and secondary Cu minerals in a siliceous gangue associated with volcanic rocks. No other information is available. The area is underlain by deformed and metamorphosed Silurian or Devonian carbonate, clastic and volcanic clastic rocks that have been intruded by Upper Jurassic and Lower Cretaceous granitic and dioritic rocks (Brew and others, 1992). The host country rocks at the occurrence are metamorphosed Silurian and Devonian graywacke and argillite that have been intruded by non-foliated Cretaceous and Tertiary granodiorite (Brew and others, 1978).
Commodities (Major) - Cu, Mn
Development Status: None
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
1 valid mineral.
Detailed Mineral List:
| ⓘ 'Psilomelane' |
| ⓘ Pyrite Formula: FeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Unclassified | |||
| ⓘ | 'Psilomelane' | - | |
Other Databases
| Link to USGS - Alaska: | JU003 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
USA
- Alaska
- Juneau Mining DistrictMining District
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