Tuttle Creek Prospect, Port Clarence Mining District, Nome Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Tuttle 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° 56' 16'' North , 166° 20' 56'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Shishmaref | 580 (2017) | 37.5km |
Location: Tuttle Creek is a west-flowing drainage with headwaters on the north flank of Ear Mountain, an isolated upland reaching 2,329 feet elevation in the north-central Teller D-3 quadrangle. The headwaters of Tuttle Creek are in the area straddling the contact between the Ear Mountain granite stock and metacarbonate rocks (Sainsbury, 1972). North Hill, a flat-topped hill reaching 1,642 feet elevation on the north flank of the Ear Mountain upland, is the location of the principal lode prospect (TE060) in the area. This is locality 49, 50, and 52 of Cobb and Sainsbury (1972). Cobb (1975) summarized references to this locality under the name 'Tuttle Cr.'.
Geology: Tuttle Creek and its headwaters drain a mineralized area straddling the contact between the Late Cretaceous Ear Mountain granite stock (76.7 +/- 2.9 my; Hudson and Arth, 1983, p. 769) and an impure metacarbonate sequence, with some metapelitic rocks, of unknown but probable Paleozoic age. Both overburden and gravel vary from a few feet to 15 feet in thickness. The tin content of the gravels varies from a trace to 1.28 pounds per cubic yard. The average tin content of the main drainage, as determined by 45 churn-drill holes, is 0.2 pounds per cubic yard (Mulligan, 1959, p. 23). The mining section along this part of the drainage averaged 7 feet in thickness. Tin in heavy mineral concentrates is present as cassiterite; other heavy minerals that were identified include monazite, zircon, axinite, scheelite, magnetite, and danburite (Killeen and Ordway, 1955). Some heavy mineral concentrate contained 0.23% eU; only traces of gold are reported.
Workings: Seventy three churn-drill holes (on 14 lines located along 2.5 miles of the drainage) and 9 other churn-drill holes in headwaters have been completed (Mulligan, 1959, p. 20 and 23).
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: | TE061 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Brooks-Seward DomainDomain
- Nome ComplexAccretionary Complex
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