North Carolina; Antimony Creek Prospect, Valdez Creek Mining District, Matanuska-Susitna Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| North Carolina; Antimony Creek Prospect | Prospect |
| Valdez Creek Mining District | Mining District |
| Matanuska-Susitna Borough | Borough |
| Alaska | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
63° 6' 7'' North , 149° 25' 8'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cantwell | 219 (2011) | 39.8km |
Mindat Locality ID:
199157
Long-form identifier:
mindat:1:2:199157:7
GUID (UUID V4):
60ad82c1-bc94-4113-ae20-d02eabfa0bdd
Location: The North Carolina (Antimony Creek) prospect is at an elevation of about 3,600 feet on a spur north of upper Antimony Creek, a tributary of the East Fork Chulitna River. The map site is 0.5 mile southwest of VABM 4780 (Antimony), in sec. 14, T. 21 S., R. 10 W., of the Fairbanks Meridian. The location is accurate to within 1,000 feet. This is locality 28 and 29 of Cobb (1978: OFR 78-1062).
Geology: The country rocks in the area of the prospect consist mainly of Lower Cretaceous and Upper Jurassic, intensely deformed, metamorphosed flysch, probably several thousand meters thick (Wilson and others, 1998). The strata are intruded by felsite dikes, and a pyroxenite plug. The deposit consists of auriferous quartz-pyrite-stibnite veins that cut the flysch. A little gold also occurs in the margins of the felsite dikes. Samples contain up to 37.5% antimony and 6 ppm gold (Hawley and others, 1968), and up to 28% antimony and 520 ppb gold (Balen, 1990: OFR 34-90).
Workings: The property was explored in 1918 by two short tunnels. Samples contain up to 37.5% antimony and 6 ppm gold (Hawley and others, 1968), and up to 28% antimony and 520 ppb gold (Balen, 1990: OFR 34-90).
Age: Veins cut Upper Jurassic to Lower Cretaceous metasedimentary rocks.
Alteration: The stibnite is oxidized to stibiconite and kermesite.
Production: In 1919 approximately 3 tons of ore was stockpiled but never shipped.
Commodities (Major) - Au, Sb
Development Status: Yes; small
Deposit Model: Simple Sb (Cox and Singer, 1986; model 27d)
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
5 valid minerals.
Detailed Mineral List:
| β Calcite Formula: CaCO3 |
| β Gold Formula: Au |
| β Pyrite Formula: FeS2 |
| β Quartz Formula: SiO2 |
| β Stibnite Formula: Sb2S3 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| β | Stibnite | 2.DB.05 | Sb2S3 |
| β | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| β | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| β | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | β Calcite | CaCO3 |
| O | Oxygen | |
| O | β Calcite | CaCO3 |
| O | β Quartz | SiO2 |
| Si | Silicon | |
| Si | β Quartz | SiO2 |
| S | Sulfur | |
| S | β Pyrite | FeS2 |
| S | β Stibnite | Sb2S3 |
| Ca | Calcium | |
| Ca | β Calcite | CaCO3 |
| Fe | Iron | |
| Fe | β Pyrite | FeS2 |
| Sb | Antimony | |
| Sb | β Stibnite | Sb2S3 |
| Au | Gold | |
| Au | β Gold | Au |
Other Databases
| Link to USGS - Alaska: | HE133 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Chulitna-Broad Pass DomainDomain
- Susitna BasinBasin
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
