Moneta-Porcupine Prospect, Valdez Creek Mining District, Southeast Fairbanks Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Moneta-Porcupine Prospect | Prospect |
| Valdez Creek Mining District | Mining District |
| Southeast Fairbanks Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 19' 5'' North , 145° 59' 31'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Location: This prospect is at an elevation of about 5,200 feet on a narrow ridge northeast of upper West Fork Rainy Creek. It is in the NW1/4NE1/4 section 34, T. 18 S., R. 9 E., Fairbanks Meridian. It corresponds to locality 6 of Rose (1965) and locality S60 in table 2 of Nokleberg and others (1991).
Geology: According to Rose (1965), this prospect consists of chalcopyrite and bornite in a fine-grained tactite or hornfels. The host rock is metaserpentinite composed of pale brown hornblende and light-yellow diopside. The tactite is about 3 feet thick and appears to strike N55E. According to Nokleberg and others (1991), chalcopyrite, bornite, and malachite occur in and next to fractures in meta-andesite tuff. The sulfide-bearing zones are as much as a meter wide and several meters long and occupy north-northeast-trending fractures. The meta-andesite tuff is part of the Slana Spur Formation of Pennsylvanian age (Nokleberg and others, 1991).
Workings: The prospect was staked in 1964 for Moneta-Porcupine Mining Co. (Rose, 1965 ). Surface work included prospect pits. The occurrence is on active claims of MAN Resources.
Age: Late Paleozoic or Triassic.
Commodities (Major) - Ag, Au, Cu
Development Status: None
Deposit Model: Polymetallic veins (Cox and Singer, 1986; model 22c).
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
3 valid minerals.
Detailed Mineral List:
| ⓘ Bornite Formula: Cu5FeS4 |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Bornite | 2.BA.15 | Cu5FeS4 |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| 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 |
| S | Sulfur | |
| S | ⓘ Bornite | Cu5FeS4 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Bornite | Cu5FeS4 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Bornite | Cu5FeS4 |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
Other Databases
| Link to USGS - Alaska: | MH149 |
|---|
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