Iron Creek Mines, Circle Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Iron Creek Mines | Group of Mines |
| Circle Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
65° 17' 23'' North , 143° 10' 48'' West
Latitude & Longitude (decimal):
Type:
Group of Mines
Köppen climate type:
See also Woodchopper Creek (CY038), Alice Gulch (CY002), Mineral Creek (CY020), and Dome Creek (CY010). This site is within the Yukon-Charley Rivers National Preserve.
Location: Iron Creek is location 3 of Cobb (1972 [MF-390]). Iron Creek drains northward into Woodchopper Creek. The coordinates are for the center of the discovery claim located at the mouth of Iron Creek in section 3, T. 5 N., R. 21 E., of the Fairbanks Meridian. The location is accurate to within half a mile.
Geology: Prospects along Iron Creek were first reported by Brooks in 1907. The pay streak was reported to be irregular and spotty, with coarse gold of high grade. One sample assayed $18.75 an ounce (1930 dollars) (Mertie, 1930). The bedrock at the head of Iron Creek is composed of Cretaceous to Tertiary sedimentary rocks and Upper Devonian (?) conglomerate. In the lower part of the drainage the conglomerate contains pebble- to boulder-size clasts of quartzite and chert (Dover and Miyaoka, 1988). Iron Creek was first staked in 1901, and almost all early work was done by drift mining. In 1926, production was reported to be 9 troy ounces of gold and 1 troy ounce of silver. Iron Creek may still be a site of active mining and prospecting (National Park Service, 1990).
Workings: Iron Creek was first staked in 1901, and nearly all of the early work was done by drift mining. Iron Creek may still be a site of mining and prospecting (National Park Service, 1990).
Age: Quaternary.
Production: In 1926, production was reported to be 9 troy ounces of gold and 1 troy ounce of silver (National Park Service, 1990).
Commodities (Major) - Au; (Minor) - Ag
Development Status: Yes; small
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a).
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
2 valid minerals.
Detailed Mineral List:
| ⓘ Native Gold Formula: Au |
| ⓘ Native Silver Formula: Ag |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| ⓘ | Native Silver | 1.AA.05 | Ag |
List of minerals for each chemical element
| Ag | Silver | |
|---|---|---|
| Ag | ⓘ Native Silver | Ag |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | CY019 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Arctic AlaskaPassive Margin
- Porcupine DomainDomain
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