Lofty Gulch; Lofty Creek Mine, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Lofty Gulch; Lofty Creek Mine | Mine |
| Koyukuk Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 29' 11'' North , 150° 5' 31'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
198571
Long-form identifier:
mindat:1:2:198571:2
GUID (UUID V4):
a173455b-38ad-4620-bf7f-c4083c19187e
Location: Lofty Gulch is a short, steep, south tributary to the lower Hammond River, between Swift Creek and Gold Bottom Gulch. Placer mining has occurred from near the mouth of Lofty Gulch for a distance of about 1,500 feet upstream. The mine is plotted at an elevation of about 1,350 feet near the mouth of the gulch. The location is accurate.
Geology: The modern channel of Lofty Gulch was mined near its mouth in the early 1900's (Reed, 1938). There has been no mining on the upper parts of the creek, where it is narrow, steep and contains only limited amounts of gravel in which gold could occur. According to Reed (1938), the creek was mined out.
Workings: There was limited mining near the mouth of Lofty Gulch.
Age: Quaternary.
Commodities (Major) - Au
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
1 valid mineral.
Gallery:
Other Databases
| Link to USGS - Alaska: | WI097 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Brooks RangeMountain Range
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Brooks Range DomainDomain
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References
