Kreuger Creek Prospect, Port Clarence Mining District, Nome Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Kreuger Creek Prospect | Prospect |
| Port Clarence Mining District | Mining District |
| Nome Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
65° 55' 48'' North , 166° 5' 38'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Shishmaref | 580 (2017) | 36.3km |
Location: Kreuger Creek is a south-flowing tributary to the Arctic River that drains the east side of Ear Mountain. Ear Mountain is an isolated upland reaching 2,329 feet elevation in the north-central Teller D-3 quadrangle. Kreuger Creek has west tributaries, including Eldorado Creek (TE068), that extend across the contact zone and into east and north parts of the Ear Mountain granite stock. Eldorado Creek actually heads in an area of significant lode tin and related metallization at North Hill (Ear Mountain prospect, TE060). This is locality 64 of Cobb and Sainsbury (1972). Cobb (1975) summarized relevant references under the name 'Kreuger Cr.'.
Geology: The segment of Kreuger Creek referred to here is the 0.5 miles at and below the confluence with Eldorado Creek. Eldorado Creek has headwaters that cross the northeast contact zone of the Ear Mountain granite stock (Sainsbury, 1972). This stock is a Late Cretaceous (76.7 +/- 2.9 my; Hudson and Arth, 1983, p. 769) composite biotite granite that intrudes an impure and schistose carbonate sequence, with some metapelitic rocks, of unknown but probable Paleozoic age. The country rocks are variably converted to tactite and hornfels around the granite stock (Knopf, 1908, p. 28-29). Churn-drill holes on this part of Kreuger Creek contain a trace to 0.71 pounds of tin per cubic yard from a pay horizon that varies from 5 to 16 feet thick. Total gravel thickness varies from 6 to 22.5 feet thick. Heavy mineral identifications are not available but the mineralogy here is probably similar to that from the headwaters of Eldorado Creek (TE068).
Workings: The USBM reports results for 11 churn-drill holes on three lines spaced along 2,600 feet of the drainage (Mulligan, 1959, p. 26).
Age: Quaternary
Reserves: Not defined
Commodities (Major) - Sn
Development Status: None
Deposit Model: Alluvial tin placer (Cox and Singer, 1986; model 39e)
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
1 valid mineral.
Detailed Mineral List:
| ⓘ Cassiterite Formula: SnO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Cassiterite | 4.DB.05 | SnO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Cassiterite | SnO2 |
| Sn | Tin | |
| Sn | ⓘ Cassiterite | SnO2 |
Other Databases
| Link to USGS - Alaska: | TE067 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Brooks-Seward DomainDomain
- Nome ComplexAccretionary Complex
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