Unnamed Occurrence (ARDF - DE008), Dova Mountain, Long Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
54° 54' 18'' North , 132° 44' 38'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Hydaburg | 391 (2017) | 34.0km |
NOTE:The subsurface rights to the land in the vicinity are held by Sealaska Corporation.
Location: This occurrence is at an elevation of about 1,000 feet on the northeast side of what is locally called Dova Mountain (hill 1185), on the north end of Long Island. The occurrence is in the NW1/4 section 27, T. 80 S., R. 84 E.
Geology: The rocks near this occurrence consist of dacitic metavolcanic rocks, marble, and phyllite of the pre-Middle Ordovician Wales Group (Gehrels, 1991). In 1988, Hedderly-Smith (1999) collected a rock chip sample from an orange-weathering, iron-stained zone in calcareous, gray mica schist that contains unidentified disseminated sulfides. The sample contained 1,412 parts per million (ppm) copper, 5,370 ppm lead, 5,100 ppm zinc, 4.62 ounces of silver per ton, and 163 parts per billion gold. The zone was resampled in 1990 but the sample did not contain any anomalous metals.
Workings: Only surface sampling.
Age: In pre-Ordovician rocks.
Alteration: The rocks are oxidized and iron stained.
Commodities (Major) - Ag, Au, Cu, Pb, Zn
Development Status: None
List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | DE008 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
- Queen Charlotte basinBasin
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