Boulder Creek Occurrence, Chandalar Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Boulder Creek Occurrence | Occurrence |
| Chandalar Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 33' 36'' North , 148° 25' 11'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Alaska Kardex No. 031-122 (Kardex is a card file mining claim information system located at the State of Alaska DNR Public Information Center in Fairbanks).
Location: This occurrence is on Boulder Creek, a tributary to the North Fork Chandalar River, about a mile east of the north end of Chandalar Lake (sec. 34, T. 32 N., R. 4 W., of the Fairbanks Meridian). The location is accurate within a 1/2-mile radius.
Geology: There is no description of this placer occurrence other than a reference to gold being produced from the creek in 1991 (Bundtzen and others, 1992, p. 28). It drains an area immediately west of the Chandalar gold quartz vein deposits.
Workings: Apparently some mining has occurred as late as 1991(Bundtzen and others, 1992).
Age: Quaternary.
Production: Production of gold reported in 1991 (Bundtzen and others, 1992).
Commodities (Major) - Au
Development Status: Yes
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
1 valid mineral.
Detailed Mineral List:
| ⓘ Native Gold Formula: Au |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
List of minerals for each chemical element
| Au | Gold | |
|---|---|---|
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | CH050 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Brooks RangeMountain Range
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Brooks Range DomainVolcanic Arc
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