Unnamed Occurrence (ARDF - IL041; at Pilot Knob), Redoubt Mining District, Kenai Peninsula Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - IL041; at Pilot Knob) | - not defined - |
| Redoubt Mining District | Mining District |
| Kenai Peninsula Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
59° 10' 10'' North , 154° 37' 19'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Kokhanok | 170 (2015) | 31.3km |
Mindat Locality ID:
200932
Long-form identifier:
mindat:1:2:200932:5
GUID (UUID V4):
c16b12b1-8f71-4f4f-bb67-53443f75fb68
Location: The approximate location of this occurrence is on Pilot Knob in the NE1/4 NW1/4 sec. 2, T. 12 S., R. 32 W., Seward Meridian.
Geology: A broad magnetic anomaly having a maximum relative intensity of 1,600 gammas is centered on Pilot Knob (Richter and Herried, 1965, p. 15, figs. 7 and 8). The country rocks are hornfelsed volcanic rocks of the Jurassic Talkeetna Formation, underlain at shallow depth by the Cretaceous or Tertiary Pilot Knob granodiorite (Detterman and Reed, 1980). The granodiorite is partly altered to sericite, zoisite, and chlorite (Richter and Herreid, 1965, p. 7). No magnetite or skarn is exposed at the site, but there could be shallow buried magnetite bodies at or near the contact between the granodiorite and the volcanic rocks. According to Richter and Herreid (1965), the contact of the granodiorite beneath Pilot Knob dips about 30 degrees. Nearby deposits of magnetite skarn in Talkeetna Formation volcanic rocks are at IL040 and IL042.
Workings: Exploration consists of geologic mapping and a ground-based magnetic survey (Richter and Herreid, 1965). There are no workings.
Commodities (Major) - Fe?
Development Status: None
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | Iron | |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Other Databases
| Link to USGS - Alaska: | IL041 |
|---|
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References
