Unnamed Occurrence (ARDF - MH232; west face of Rainbow Ridge south of Rainbow Mountain), Delta River Mining District, Southeast Fairbanks Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
63° 16' 36'' North , 145° 37' 19'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is at an elevation of 4,500 feet about 2.3 miles south of the top of Rainbow Mountain. It is in the SE1/4SW1/4 section 10, T. 19 S., R. 11 E., Fairbanks Meridian. The occurrence is described by Hanson (1963, locality 9), and it corresponds to locality 24 in Cobb (1979 [OFR 79-238]) and locality S115 in table 2 of Nokelberg and others (1991).
Geology: This occurrence consist of chalcopyrite and pyrite in quartz veins as much as a half-meter wide that strike N 34 W and dip 70S to vertical (Hanson, 1963). The veins cut dacite tuff of the Slana Spur Formation of Pennsylvanian age (Nokleberg and others, 1991).
Age: Pennsylvanian or younger.
Commodities (Major) - Cu
Development Status: No
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.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | MH232 |
|---|
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