Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Unnamed Occurrence (ARDF - SR169; southern Culross Island), Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USAi
Regional Level Types
Unnamed Occurrence (ARDF - SR169; southern Culross Island)- not defined -
Prince William Sound Mining DistrictMining District
Valdez-Cordova Census AreaCensus Area
AlaskaState
USACountry

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Latitude & Longitude (WGS84):
60° 39' 33'' North , 148° 5' 49'' West
Latitude & Longitude (decimal):
60.65917,-148.09694
GeoHash:
G#: bdy9jfxj7
GRN:
N41W54
Köppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
201717
Long-form identifier:
mindat:1:2:201717:7
GUID (UUID V4):
0


Location: The occurrence is located in the NW1/4 section 32, T. 7 N., R. 8 E., of the Seward Meridian. It is situated on the southeast shore of Culross Island just south of VABM Still. This is location S-101 of Jansons and others (1984). This location is accurate to within half a mile.
Geology: The occurrence consists of a 20- by 30-foot exposure of quartz diorite containing as much as 10 percent combined pyrite, pyrrhotite, and chalcopyrite that form clots and disseminations (Jansons and others, 1984). Tysdal and Case (1979) mapped this area as Eocene granite and granodiorite. The U.S. Bureau of Mines collected samples from this occurrence that contained as much as 0.13 percent copper (Jansons and others, 1984). No other information is has been made public.
Workings: Samples collected by the U.S. Bureau of Mines contained up to 0.13 perecnt copper (Jansons and others, 1984).
Age: Eocene; The occurrence is in Eocene granitic rock.

Commodities (Major) - Cu
Development Status: None

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
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2

List of minerals for each chemical element

OOxygen
Oⓘ QuartzSiO2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
CuCopper
Cuⓘ ChalcopyriteCuFeS2

Other Databases

Link to USGS - Alaska:SR169

Other Regions, Features and Areas containing this locality

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

Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, southcentral Alaska: U.S. Bureau of Mines Mineral Land Assessment 5-84, 218 p., 2 sheets, scale 1:250,000.
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