Copper Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA
|Latitude & Longitude (WGS84):||55° 14' North , 132° 36' West|
|Latitude & Longitude (decimal):||55.23333,-132.60000|
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Mineral ListMineral list contains entries from the region specified including sub-localities
21 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
|Proterozoic - Cambrian|
|Wales Group, undivided|
Age: Terreneuvian (541 Ma)
Description: Greenstone, greenschist, blacky phyllite, quartz-sericite schist, metakeratophyre, and minor marble. Folded and otherwise deformed, light to dark-green, greenschist- and local amphibolite facies schist and gneiss derived from basaltic to andesitic volcanic rocks, volcaniclastic rocks, and some sedimentary rocks. Also some schist is derived from meter-thick layered silicic volcanic rocks.
Reference: Wilson, F.H., Hults, C.P., Mull, C.G, and Karl, S.M. (compilers). Geologic map of Alaska. doi: 10.3133/sim3340. U.S. Geological Survey Scientific Investigations Map 3340, pamphlet 196.