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Chute Creek Mine, Bonnifield Mining District, Denali Borough, Alaska, USAi
Regional Level Types
Chute Creek MineMine
Bonnifield Mining DistrictMining District
Denali BoroughBorough
AlaskaState
USACountry

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Latitude & Longitude (WGS84):
63° 56' 23'' North , 147° 44' 24'' West
Latitude & Longitude (decimal):
63.93972,-147.74000
GeoHash:
G#: beqgwpg5b
GRN:
N43W49
Type:
Mine
Köppen climate type:
ET : Tundra
Mindat Locality ID:
196929
Long-form identifier:
mindat:1:2:196929:3
GUID (UUID V4):
0


Location: The Chute Creek mine is at an elevation of about 3,500 feet on the southwest side of Chute Creek. It is at the NE1/4 of sec. 28, T. 11 S., R. 1 W., of the Fairbanks Meridian. The location is accurate to within 2 miles. This is location 4 of Clark and Cobb (1972), and location 5 of Cox and others (1989).
Geology: The Chute Creek mine is in Totatlanika Schist, a sequence mainly of predominantly felsic and mafic metavolcanic and metavolcaniclastic rocks that is dated as Early Mississippian to Middle Devonian (Wilson and others, 1998). At the mine the schist is cut by Cretaceous(?) rhyolite porphyry. The deposit consists of disseminated pyrite, in a zone 100 to 250 ft wide, in altered and sheared rhyolite porphyry. Capps (1912) reported grades of up to 0.435 ounce of gold per ton.
Workings: The mine has both surface and underground workings. In 1910 a 30 foot adit was driven. Capps (1911) reported that a small mill operated at the site for a month in 1909.
Age: Cretaceous(?) or younger.
Alteration: Phyllic.
Production: Unknown.

Commodities (Major) - Ag, Au
Development Status: Yes; small
Deposit Model: Porphyry Cu-Au(?) (Cox and Singer, 1986; model 20c)

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 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
AlAluminium
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ PyriteFeS2
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
FeIron
Feⓘ PyriteFeS2

Other Databases

Link to USGS - Alaska:HE101

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Berg, H.C., and Cobb, E.H., 1967, Metalliferous lode deposits of Alaska: U.S. Geological Survey Bulletin 1246, 254 p. Brooks, A.H., 1910, Mineral resources of Alaska, report on progress of investigations in 1909: U.S. Geological Survey Bulletin 442, 426 p. Capps, S.R., 1911, Mineral resources of the Bonnifield region: U.S. Geological Survey Bulletin 480-H, p. 218-235. Capps, S.R., 1912, The Bonnifield region, Alaska: U.S. Geological Survey Bulletin 501, 64 p., 1 sheet, scale 1:250,000. Clark, A.L., and Cobb, E.H., 1972, Metallic mineral resources map of the Healy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-394, 1 sheet, scale 1:250,000. Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-1062, 113 p. Cox, D.P., Light, T.D., Csejtey, Bela, Jr., and Campbell, D.L., 1989, Mineral resource assessment map of the Healy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map, MF-2058-A, 1 sheet, scale 1:250,000. Eakins, G.R., Bundtzen, T.K., Lueck, L.L. Green, C.B., Gallagher, J.L., and Robinson, M.S., 1985, Alaska mineral industry, 1984: Alaska Division of Geological and Geophysical Surveys Special Report 38, 57 p. Wahrhaftig, Clyde, 1970, Geologic map of the Healy D-2 quadrangle: U.S. Geological Survey Geologic Quadrangle Map GQ-804, scale 1:63,360. Wilson, F.H., Dover, J.H., Bradley, D.C., Weber, F.R., Bundtzen, T.K., and Haeussler, P.J., 1998, Geologic map of central (interior) Alaska: U.S. Geological Survey Open-File Report 98-133, 76 p., 3 sheets, scale 1:500,000.
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