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 Prospect (ARDF - MM023; southwest of Alpha Ridge), Kantishna Mining District, Denali Borough, Alaska, USAi
Regional Level Types
Unnamed Prospect (ARDF - MM023; southwest of Alpha Ridge)- not defined -
Kantishna Mining DistrictMining District
Denali BoroughBorough
AlaskaState
USACountry

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Latitude & Longitude (WGS84):
63° 30' 57'' North , 151° 2' 45'' West
Latitude & Longitude (decimal):
63.51583,-151.04583
GeoHash:
G#: bek96fey8
GRN:
N43W51
Köppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
202284
Long-form identifier:
mindat:1:2:202284:3
GUID (UUID V4):
0


The prospect is in Denali Park and Preserve.
Location: This prospect is at an elevation of about 3100 feet on the north flank of the ridge between Brooker Mountain and Alpha Ridge in the Kantishna Hills. It is about 500 feet north of the center of section 21, T. 16 S., R. 18 W., Fairbanks Meridian. The prospect is number 3 of Bundtzen, Smith and Tosdal (1978), Bundtzen (1981), and Thornsberry, McKee, and Salisbury (1984). The descriptions in the two Bundtzen references, however, do not appear to match the prospect. Number 20 of Hawley and Associates (1978) is a minor occurrence about 0.2 mile south of the prospect.
Geology: The country rocks in the area of the prospect are felsitic and quartzitic facies of the Birch Creek Schist (Bundtzen, 1981). The prospect consists of fragments of vein material in sloughed trenches. No veins are exposed in the trenches, which trend about N 40 E, possibly the strike of the vein. The fragments consist of galena, stibnite, and possibly minor pyrargyrite in a quartz-ankerite-tourmaline gangue. T.K. Hinderman collected two samples at the site: one of them assayed 275 ppm silver, 1.1 ppm gold, 0.245 percent arsenic, 0.905 percent zinc, 9.15 percent antimony and 10.5 percent lead (Thornsberry, McKee, and Salisbury, 1984, v. 2, occurrence 3). Hawley and Associates (1978) reported a quartz-pyrite vein about 0.2 mile south of the prospect.
Workings: Two shallow trenches were sloughed by 1983.
Age: The deposit is assumed to be Eocene (see record MM091).

Commodities (Major) - Pb, Sb; (Minor) - Ag, As, Au, Zn
Development Status: None
Deposit Model: Polymetallic vein (Cox and Singer, 1986; model 22c).

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


6 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘGalena2.CD.10PbS
ⓘStibnite2.DB.05Sb2S3
ⓘPyrite2.EB.05aFeS2
ⓘPyrargyrite2.GA.05Ag3SbS3
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Unclassified
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z

List of minerals for each chemical element

BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ QuartzSiO2
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ GalenaPbS
Sⓘ PyrargyriteAg3SbS3
Sⓘ PyriteFeS2
Sⓘ StibniteSb2S3
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ PyriteFeS2
AgSilver
Agⓘ PyrargyriteAg3SbS3
SbAntimony
Sbⓘ PyrargyriteAg3SbS3
Sbⓘ StibniteSb2S3
PbLead
Pbⓘ GalenaPbS

Other Databases

Link to USGS - Alaska:MM023

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

Bundtzen, T.K., 1981, Geology and mineral deposits of the Kantishna Hills, Mt. McKinley quadrangle, Alaska: M. S. Thesis, University of Alaska, College, Alaska, 238 p. Bundtzen, T.K., Smith, T.E., and Tosdal, R.M., 1976, Progress report--Geology and mineral deposits of the Kantishna Hills: Alaska Division of Geological and Geophysical Surveys Open-File Report AOF-98, 80 p., 2 sheets, scale 1:63,360. Cox, D.P., and Singer, D.A., eds., 1986, Mineral deposit models: U.S. Geological Survey Bulletin 1693, 379 p. Hawley, C. C. and Associates, Inc, 1978, Mineral appraisal of lands adjacent to Mt. McKinley National Park, Alaska: U. S. Bureau of Mines Open-File Report 24-78, 275 p. (paged by sections). Thornsberry, V. V., McKee, C. J., and Salisbury, W. G., eds, 1984, 1983 Mineral Resource Studies: Kantishna Hills and Dunkle Mine Areas, Denali National Park and Preserve, Alaska: U. S. Bureau of Mines Open-File Report 129-84. 3 Volumes: v. 1, Text; v. 2, Appendices; v. 3, Maps. Prepared by Salisbury & Dietz, Inc., Spokane, WA.
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