Unnamed Occurrence (ARDF - MF019; southwest of Mt Dagelet), Yakutat Mining District, Hoonah-Angoon Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - MF019; southwest of Mt Dagelet) | - not defined - |
| Yakutat Mining District | Mining District |
| Hoonah-Angoon Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
58° 35' 5'' North , 137° 13' 40'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
201110
Long-form identifier:
mindat:1:2:201110:6
GUID (UUID V4):
b26dae95-6755-4bba-92c9-6181a5e06aec
The site is in Glacier Bay National Park and Preserve.
Location: The occurrence is on the south wall of a glacier about 2.6 miles at 248 degrees (true azimuth) from Mt. Dagelet in extremely rugged country. Rossman (1963, p. F44) reported this locality as a prominent gossan similar to those observed over nickel-copper deposits on Yakobi Island in the Sitka D8 quadrangle (also see MF002). The gossan was not examined on the ground either by Rossman or, in 1977, by the U.S. Bureau of Mines (Kimball and others, 1978, p. C110-111). The location is probably within 0.2 mile of Rossman's observed gossan.
Geology: Gossan similar to that observed at the Yakobi Island nickel-copper deposits on the Sitka D-8 quadrangle was observed remotely by Rossman (1963). The site is in the Crillon-LaPerouse layered mafic-ultramafic pluton within about 0.3 mile of its southwestern contact with biotite-hornblende schist (Brew and others, 1978).
Workings: Surface exposures, not examined on the ground.
Age: Tertiary.
Alteration: Prominent iron-rich gossan.
Commodities (Major) - Ni?; (Minor) - Cu?
Development Status: None
Deposit Model: Magmatic segregation.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Limonite' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | MF019 |
|---|
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References
