Brenneman; Brennan Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Brenneman; Brennan Prospect | Prospect |
| Kodiak Mining District | Mining District |
| Kodiak Island Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
57° 57' 0'' North , 153° 13' 11'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Port Lions | 197 (2017) | 21.9km |
Site is located on state land.
Location: This prospect is located on the southwest side of Kupreanof Peninsula on Viekoda Bay in sec. 6?, T. 26 S., R. 24 W., of the Seward Meridian (Berg and Cobb, 1967, figure 15, locality 2; Cobb, 1972, MF 460, locality 9; McGee, 1972, locality 9; MacKevett and Holloway, 1977, locality 9). Site location is accurate to within 1/2 mile.
Geology: This prospect was first described by Brooks (1915) as an auriferious quartz vein developed by a 56-foot-long adit. The vein cuts Cretaceous metasediments, and is said to have a thickness of up to 2 1/2 feet and to carry free gold. No additional information regarding geology, production, or development is available.
Workings: This prospect was developed by a 56-foot adit in 1914.
Age: Cretaceous or younger
Commodities (Major) - Au
Development Status: Undetermined.
Deposit Model: Chugach-type low-sulfide gold-quartz vein (Bliss, 1992; model 36a.1), turbidite
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
2 valid minerals.
Detailed Mineral List:
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| 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 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | KD013 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Chugach DomainAccretionary Complex
Pacific OceanOcean
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