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Kivivik Occurrence, Noatak Mining District, Northwest Arctic Borough, Alaska, USAi
Regional Level Types
Kivivik OccurrenceOccurrence
Noatak Mining DistrictMining District
Northwest Arctic BoroughBorough
AlaskaState
USACountry

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Latitude & Longitude (WGS84):
67° 53' 24'' North , 161° 46' 11'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
198381
Long-form identifier:
mindat:1:2:198381:7
GUID (UUID V4):
869a9b8d-0677-4882-9f44-388bf1d9f6c1


Located in the Noatak Wilderness.
Location: This occurrences is at an elevation of about 600 feet, adjacent to Kivivik Creek about 5 miles above its confluence with the Noatak River. It is in section 24, T. 29 N., R. 14 W., of the Kateel River Meridian. Schmidt and Allegro (1988), location 4; field stations 84JS026A-D and 84PF070R.
Geology: At the occurrence, basalts of probable Jurassic age contain both disseminated chalcopyrite and pyrite, and pyrite and epidote in vesicles. A 30- by 40-meter area of red-orange-stained, pillow basalt contains pyrite, minor chalcopyrite and ochre. Magnetite occurs in the sediment of the stream draining this occurrence. A sample of pyrite contained 120 ppm Zn, 1 ppm Ag, 50 ppm Co, 300 ppm Cu, and 1000 ppm Mn. A sample from a heavily stained area contained 150 ppm Cu and 1000 ppm Mn. An ochre sample contained 110 ppm Zn and 200 ppm Cu. A sample of pyrite and epidote in vesicles contained 20 ppm As, 0.5 ppm Ag, and 1500 ppm Mn. A sample of chalcopyrite and pyrite in basalt contained 2 ppm Ag, 50 ppm Co and 500 ppm Cu (Schmidt and Allegro, 1988).
Workings: Area was visited and sampled by the U.S. Geological Survey (Schmidt and Allegro, 1988).
Age: Jurassic?
Alteration: Iron-oxide staining.

Commodities (Major) - Cu; (Minor) - Ag, Co, Mn, Zn
Development Status: None
Deposit Model: Basaltic copper (Cox and Singer, 1986; model 23).

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


4 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Unclassified
'Limonite'-

List of minerals for each chemical element

HHydrogen
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
OOxygen
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O MagnetiteFe2+Fe23+O4
AlAluminium
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SiSilicon
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SSulfur
S ChalcopyriteCuFeS2
S PyriteFeS2
CaCalcium
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
FeIron
Fe ChalcopyriteCuFeS2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2

Other Databases

Link to USGS - Alaska:BM020

Other Regions, Features and Areas containing this locality

North America
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

 
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