Unnamed Occurrence (ARDF - TK057; east-southeast of hill 6575), Yentna Mining District, Matanuska-Susitna Borough, Alaska, USAi
Regional Level Types | |
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Unnamed Occurrence (ARDF - TK057; east-southeast of hill 6575) | - not defined - |
Yentna Mining District | Mining District |
Matanuska-Susitna Borough | Borough |
Alaska | State |
USA | Country |
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Latitude & Longitude (WGS84):
62° 29' 6'' North , 148° 28' 1'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
201793
Long-form identifier:
mindat:1:2:201793:1
GUID (UUID V4):
012841a8-2930-4d47-97aa-70453029334f
Location: This occurrence is at an elevation of about 5,000 feet, 0.5 mile east-southeast of the top of hill 6575. The occurrence is in the SW1/4NW1/4 sec. 10, T. 28 N., R. 5 E., Seward Meridian. The location is accurate to within 1/4-mile. This is locality 52 of Csejtey and Miller (1978).
Geology: This occurrence consists of small amounts of chalcopyrite and pyrrhotite in quartz veinlets or as disseminations in highly iron-stained Triassic(?) metagabbro (Rose, 1967). A lode claim covers the prospect.
Workings: Only limited surface sampling (Anderson, 1969).
Alteration: Conspicuous iron-oxide alteration.
Commodities (Major) - Cu; (Minor) - Ag
Development Status: None
Deposit Model: Basaltic Cu? (Cox and Singer, 1986; model 23?)
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 |
ⓘ Pyrrhotite Formula: Fe1-xS |
ⓘ Quartz Formula: SiO2 |
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 |
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 |
S | Sulfur | |
S | ⓘ Chalcopyrite | CuFeS2 |
S | ⓘ Pyrrhotite | Fe1-xS |
Fe | Iron | |
Fe | ⓘ Chalcopyrite | CuFeS2 |
Fe | ⓘ Pyrrhotite | Fe1-xS |
Cu | Copper | |
Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
Link to USGS - Alaska: | TK057 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Wrangellia DomainDomain
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