Lucky Find Prospect, Karta River Wilderness, Prince of Wales Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
55° 31' 42'' North , 132° 40' 58'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Hollis | 112 (2011) | 4.3km |
Thorne Bay | 483 (2017) | 20.4km |
Klawock | 765 (2017) | 26.1km |
Craig | 1,248 (2017) | 29.9km |
Hydaburg | 391 (2017) | 36.8km |
Mindat Locality ID:
198656
Long-form identifier:
mindat:1:2:198656:6
GUID (UUID V4):
2e411b22-6b0d-4997-8b81-59d0f4d0dbbc
This prospect is in the Karta River Wilderness Area, which is closed to exploration and mining.
Location: The only published location for the Lucky Find prospect is on a small map by Wright and Wright (1908) that cannot be reconciled with the modern USGS 1:63,360-scale topographic map. For this record, the location is about 0.3 mile west-southwest of Granite Mountain and about 0.2 mile northwest of the center of section 20, T. 73 S., R. 84 E. The location is probably accurate to within 0.5 mile.
Geology: The rocks in the vicinity of the Lucky Find prospect are part of a large granodiorite-quartz diorite stock (Sainsbury, 1961; Eberlein and others, 1983; Brew, 1996). Early workers considered the stock to be Mesozoic or Cretaceous; however, recent radiometric dating indicates that it is Devonian (S.M. Karl, oral communication, 2003). Wright and Wright (1908) describe this prospect as a 1-foot-thick quartz vein between a diabase dike and granite. The vein also contains calcite and possibly siderite, as well as chalcopyrite and pyrite. The prospect has been explored by a 50-foot tunnel.
Workings: Prospected by a 50 foot tunnel.
Age: Unknown, other than that the vein is in Devonian granitic rocks.
Commodities (Major) - Au?, Cu
Development Status: None
Deposit Model: Gold?-quartz vein, with chalcopyrite.
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:
ⓘ Calcite Formula: CaCO3 |
ⓘ Chalcopyrite Formula: CuFeS2 |
ⓘ Pyrite Formula: FeS2 |
ⓘ Quartz Formula: SiO2 |
ⓘ Siderite Formula: FeCO3 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts | |||
---|---|---|---|
ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
ⓘ | Pyrite | 2.EB.05a | FeS2 |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Quartz | 4.DA.05 | SiO2 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Calcite | 5.AB.05 | CaCO3 |
ⓘ | Siderite | 5.AB.05 | FeCO3 |
List of minerals for each chemical element
C | Carbon | |
---|---|---|
C | ⓘ Calcite | CaCO3 |
C | ⓘ Siderite | FeCO3 |
O | Oxygen | |
O | ⓘ Calcite | CaCO3 |
O | ⓘ Quartz | SiO2 |
O | ⓘ Siderite | FeCO3 |
Si | Silicon | |
Si | ⓘ Quartz | SiO2 |
S | Sulfur | |
S | ⓘ Chalcopyrite | CuFeS2 |
S | ⓘ Pyrite | FeS2 |
Ca | Calcium | |
Ca | ⓘ Calcite | CaCO3 |
Fe | Iron | |
Fe | ⓘ Chalcopyrite | CuFeS2 |
Fe | ⓘ Pyrite | FeS2 |
Fe | ⓘ Siderite | FeCO3 |
Cu | Copper | |
Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
Link to USGS - Alaska: | CR035 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Alexander DomainDomain
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