Old Harbor Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Old Harbor Prospect | Prospect |
| Kodiak Mining District | Mining District |
| Kodiak Island Borough | Borough |
| Alaska | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
57° 8' 24'' North , 153° 20' 24'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Old Harbor | 221 (2017) | 7.3km |
Mindat Locality ID:
199237
Long-form identifier:
mindat:1:2:199237:6
GUID (UUID V4):
ddba1cf4-d1e0-4e42-a195-14778265c7b9
Site is on land conveyed to the Koniag Corporation.
Location: This prospect is located on the northwest side of Sitkalidak Island approximately 5 miles south of Old Harbor (Berg and Cobb, 1967, figure 15, locality 14; Cobb, 1972, MF 460, locality 6; MacKevett and Holloway, 1977, locality 6).
Geology: A sulfide-bearing shear zone is present along a footwall contact between a gabbro sill and Cretaceous metasedimentary rock. The shear zone is 10 to 20 feet in width and extends for approximately 2500 feet. Pyrite, pyrrhotite, and sparse chalcopyrite are disseminated in the shear zone. In addition, several sulfide masses containing abundant chalcopyrite occur about 1250 feet apart. Assays range from 0.9 percent copper in the disseminated mineralization to 5.52 percent in the chalcopyrite-rich zones (Berg and Cobb, 1967, p. 87).
Workings: Assays range from 0.09 percent copper in disseminated material to 5.52 percent copper in one chalcopyrite-rich mass. The shear zone was prospected by 3 short adits prior to WW II.
Age: Cretaceous or younger
Commodities (Major) - Cu
Development Status: None
Deposit Model: Shear zone with minor copper values.
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:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | KD030 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Chugach DomainDomain
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
References
