Chenik Mountain; Pan American Petroleum Corp. Prospect, Redoubt Mining District, Kenai Peninsula Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Chenik Mountain; Pan American Petroleum Corp. Prospect | Prospect |
| Redoubt Mining District | Mining District |
| Kenai Peninsula Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
59° 14' 29'' North , 154° 16' 26'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Claim names at this occurrence include: Gaec 1-8, Amak 98-104, and Snow Job 1-13 (McFaul and others, 2000).
Location: This prospect is on or near the westernmost peak of Chenik Mountain at an elevation of about 3,000 feet. The site, which approximates the center of the outcrop area of the prospect, is about 1,700 feet west-northwest of peak 3117, in the E1/2 NE1/4 sec. 11, T. 11 S., R. 30 W., Seward Meridian. The site is location 22 of Detterman and Cobb (1972), and is accurate within 0.5 mile.
Geology: This prospect is in the upper part of a Lower or Middle Jurassic quartz diorite batholith which intrudes older Jurassic, mafic and ultramafic rocks (Detterman and Reed, 1980). The mafic and ultramafic rocks form large roof pendants that probably are remnants of the roof of the batholith. Mafic and ultramafic rocks that crop out about a mile southeast of the site are downfaulted in a northeast-trending graben (Detterman and Reed, 1980). The deposit consists of magnetite that is relatively abundant in diorite, gabbro, and hornblendite, and less abundant in quartz diorite (Detterman and Reed, 1980, p. B79). It occurs as disseminations, veinlets, lenses, and pods. In the hornblendite, magnetite makes up as much as 15-20 percent of the rock and occurs as grains in hornblende, along hornblende grain boundaries, and in lenses and irregular clots. In rocks other than hornblendite, magnetite generally makes up less than 10 percent of the rock. The Chenik Mountain deposit is probably large but relatively low-grade (Berg and Cobb, 1967). It was discovered by Pan American Petroleum Company following a regional aeromagnetic survey in 1964.
Workings: The Chenik Mountain iron deposit was discovered by Pan American Petroleum Company after a regional aeromagnetic survey in 1964. Large magnetic anomalies revealed by the survey led to a staking rush by private interests.
Age: Jurassic.
Reserves: The deposit is a possible large, low-grade, resource of titaniferous magnetite (Berg and Cobb, 1967).
Commodities (Major) - Fe; (Minor) - Ti
Development Status: None
Deposit Model: Fe-Ti magmatic segregation deposit similar to Alaska PGE (Cox and Singer, 1986;
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 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: | IL050 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Peninsular-Iliamna DomainDomain
- Peninsular TerraneVolcanic Arc
USA
- Alaska
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