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Camp Creek; Fager Gulch; Tlatskokot; Portage Creek Mine, Kaiyuh Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
Regional Level Types
Camp Creek; Fager Gulch; Tlatskokot; Portage Creek MineMine
Kaiyuh Mining DistrictMining District
Yukon-Koyukuk Census AreaCensus Area
AlaskaState
USACountry

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Latitude & Longitude (WGS84):
64° 22' 1'' North , 157° 32' 20'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
196763
Long-form identifier:
mindat:1:2:196763:3
GUID (UUID V4):
0


Location: The Camp Creek placer is located near the headwaters of Camp Creek, which is a north-flowing tributary to Bonanza Creek. The mine is immediately south of the Camp Creek landing strip marked on the U.S. Geological Survey Nulato B-4 quadrangle topographic map (1952). This is location 2 of Cobb (1972 [MF 423]), who mislabeled the location as Kluklaklatna River. Older maps refer to Camp Creek as Portage Creek. The location is accurate.
Geology: The country rocks in the area of Camp Creek consist of Paleozoic to Proterozoic schist and quartzite (Patton and Moll-Stalcup, 2000). Placer gold is present in the streambed for at least two claim lengths up Fager Gulch, a locally-named west tributary to Camp Creek, and in Camp Creek for two claim lengths below the junction of Fager Gulch. The width of pay in 1939 was about 200 feet; it was in coarse gravels of volcanic rocks. Black sand consisting of pyrite, magnetite, and garnet, is associated with the gold. The gold-bearing gravel is beneath 8 to 9 feet of black muck and rests on a layer of blue clay that overlies bedrock. The bedrock consists of micaceous, graphitic, and chloritic schists (Roehm, 1939). Gold was discovered on Fager Gulch and on Camp Creek in 1911 (Roehm, 1939). Recent mining at Camp Creek ceased in 1982 (Brewer and Millholland, unpublished Anaconda Minerals Company report, 1983).
Workings: Gold was discovered on Fager Gulch (a tributary of Camp Creek) and on Camp Creek in 1911 (Roehm, 1939). Small-scale mining occurred from at least 1911 to 1939, and during 1946; Cobb (1973 [B 1374]) reports some mining activity shortly after World War II (Roehm, 1946). During 1939, between 80,000 and 200,000 bedrock feet were mined using a dragline and washing plant (Roehm, 1939). Recent mining at Camp Creek ceased in 1982 (Brewer and Millholland, unpublished Anaconda Minerals Company report, 1983).
Age: Quaternary.
Production: No production figures for Camp Creek are available. Small-scale mining took place from 1911 to 1939, probably for a short while after World War II (Roehm, 1939; Cobb, 1973 [B 1374]), and for some years before 1983.

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 Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


3 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Unclassified
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

OOxygen
O MagnetiteFe2+Fe23+O4
O Garnet GroupX3Z2(SiO4)3
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
SSulfur
S PyriteFeS2
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
AuGold
Au Native GoldAu

Other Databases

Link to USGS - Alaska:NL007

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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