Unnamed Prospect (ARDF - MH128; east of lower Broxson Gulch), Delta River Mining District, Southeast Fairbanks Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
63° 17' 58'' North , 146° 4' 22'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This prospect is at an elevation of 4,300 feet on the east side of the east fork of stream(s) in Broxson Gulch, in the SW1/4NW1/4 section 5, T. 19 S., R. 9 E., Fairbanks Meridian. The prospect corresponds to locality 11 in figure 2 of Rose (1965).
Geology: The rocks at this occurrence consist mainly of serpentine and limestone. Copper-stained and strongly iron stained rocks occur in float at the site, but copper-bearing bedrock has not been reported (Rose, 1965). The source of the float may be Upper Triassic mafic or ultramafic rocks that occur in the area (Nokleberg and others, 1982).
Workings: The occurrence is on active MAN Resources claims. The site had been prospected when visited by Rose (1965).
Age: Possibly Late Triassic or younger.
Alteration: Oxidation of iron- and copper-bearing minerals.
Commodities (Major) - Cu
Development Status: None
Deposit Model: Copper-bearing float possibly derived from mafic or ultramafic rocks.
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.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 5 - Nitrates and Carbonates | |||
|---|---|---|---|
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Cu | Copper | |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
Other Databases
| Link to USGS - Alaska: | MH128 |
|---|
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