Pegmatite Creek Occurrence, Delta River Mining District, Southeast Fairbanks Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Pegmatite Creek Occurrence | Occurrence |
| Delta River Mining District | Mining District |
| Southeast Fairbanks Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 35' 57'' North , 144° 57' 21'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Deltana | 2,251 (2011) | 33.0km |
Location: Pegmatite Creek flows east and then northwest into the headwaters of the Little Gerstle River. The exact location of this occurrence is not known; for this record, the site is arbitrarily plotted at an elevation of 3,000 feet on the creek in the SW1/4 section 24, T. 15 S., R. 14 E., Fairbanks Meridian.
Geology: Pegmatite Creek follows the contact between a granitic pluton and older metamorphic rocks (Cobb, 1979 [OFR 79-238]). A little gold was reported to be in the gravels, but no deposits of commercial value were found (Moffit, 1942). Pegmatite Creek is in Devonian and older, chiefly fine-grained, mylonitic metasedimentary rocks (Nokleberg and others, 1992).
Age: Quaternary.
Commodities (Major) - Au
Development Status: None
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.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed 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: | MH020 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- North America PlatformPassive Margin
- Yukon-Tanana lower DomainDomain
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