Unnamed Occurrence (ARDF - MH202; northwest of Mud Lake), Delta River Mining District, Valdez-Cordova Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - MH202; northwest of Mud Lake) | - not defined - |
| Delta River Mining District | Mining District |
| Valdez-Cordova Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 2' 35'' North , 145° 33' 14'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is at an elevation of 3,100 feet on the northeast flank of Paxson Mountain, 1 mile northwest of Mud Lake. It is in the NE1/4NW1/4 section 1, T. 22 S., R. 11 E., Fairbanks Meridian. The occurrence corresponds to locality 4 in Rose and Saunders (1965).
Geology: Several pieces of copper-stained float containing minor chalcocite occur in a frost boil at this location (Rose and Saunders, 1965). The float is vesicular basalt of Nikolai Greenstone of Late Triassic age. The metabasalt is partly altered to epidote.
Age: Late Triassic or Cretaceous.
Alteration: The basalt is partly altered to epidote (Rose and Saunders, 1965); copper mineral(s) are oxidized.
Commodities (Major) - Cu
Development Status: No
Deposit Model: Basaltic Cu (Cox and Singer, 1986; model 23).
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
2 valid minerals.
Detailed Mineral List:
| ⓘ Chalcocite Formula: Cu2S |
| ⓘ Chrysocolla Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcocite | 2.BA.05 | Cu2S |
| Group 9 - Silicates | |||
| ⓘ | Chrysocolla | 9.ED.20 | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | Oxygen | |
| O | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Al | Aluminium | |
| Al | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | Silicon | |
| Si | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| S | Sulfur | |
| S | ⓘ Chalcocite | Cu2S |
| Cu | Copper | |
| Cu | ⓘ Chalcocite | Cu2S |
| Cu | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
Other Databases
| Link to USGS - Alaska: | MH202 |
|---|
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