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Hayes Occurrence, Haines, Alaska, USAi
Regional Level Types
Hayes OccurrenceOccurrence
HainesCity Borough
AlaskaState
USACountry

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Latitude & Longitude (WGS84):
59° 3' North , 135° 27' West
Latitude & Longitude (decimal):
59.05000,-135.45000
GeoHash:
G#: bfrxvv8r4
GRN:
N40W52
Type:
Occurrence
Köppen climate type:
Dsc : Dry-summer subarctic climate
Nearest Settlements:
PlacePopulationDistance
Mud Bay212 (2011)12.9km
Haines1,713 (2015)20.7km
Skagway920 (2015)46.0km
Mindat Locality ID:
197924
Long-form identifier:
mindat:1:2:197924:7
GUID (UUID V4):
0


Location: This occurrence is near the southeast corner of section 35, T. 32 S., R. 59 E, of the Copper River Meridian. It is at an elevation of about 1,600 feet about 0.2 miles southeast of hill '2015'. The location is from pages 3 and 4 of Herbert and Race (1965) and is considered accurate. This location apparently corresponds to location 9 in Cobb (1972 [MF 424] which is located, probably less accurately, approximately 0.5 miles to the southeast.
Geology: The following description is summarized from Herbert and Race, 1965. Rocks in the area are metasediments, including marble and gneiss, that strike northwesterly; there is also some east-west faulting. The prospect is located on a steep cliff at the head of a talus slope that contains float of magnetite in marble and chalcopyrite with hematite in an impure schistose marble that has been partially altered to skarn. The deposit is considered to be low-grade mineralization in metamorphic rocks close to an east-west fault. Only stream sediment sample values are reported. Copper values in the vicinity of the prospect do not exceed 90 ppm copper, but 3 samples to the south varied between 120 and 130 ppm copper. The age of the mineralization is not well established, but is probably Cretaceous based on the age of the nearby intrusive rocks (Gilbert, 1988).
Workings: Very little information is available.
Age: The age is not well established but the deposit is probably Cretaceous based on the age of nearby intrusive rocks (Gilbert, 1988).
Alteration: Limestone partly altered to skarn (Herbert and Race, 1965).

Commodities (Major) - Cu, Fe
Development Status: None
Deposit Model: Skarn; disseminated, contact metasomatic (Cox and Singer, 1986; model 18d or 18

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
ⓘChalcopyrite2.CB.10aCuFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3

List of minerals for each chemical element

OOxygen
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
SSulfur
Sⓘ ChalcopyriteCuFeS2
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
CuCopper
Cuⓘ ChalcopyriteCuFeS2

Other Databases

Link to USGS - Alaska:SK007

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. Brew, D.A., and Ford, A.B., 1985, Preliminary reconnaissance geologic map of the Juneau, Taku River, Atlin, and part of the Skagway 1:250,000 quadrangles, southeastern Alaska: U.S. Geological Survey Open-File Report 85-395, 23 p., 2 sheets, scale 1:250,000. Cobb, E.H., 1972, Metallic mineral resources map of the Skagway quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-424, 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 Mt. Fairweather and Skagway quadrangles, Alaska: U.S. Geological Survey Open-File Report 78-316, 123 p. Gilbert, W.G., 1988, Preliminary geology and geochemistry of the northern Chilkat Range: Alaska Division of Geological and Geophysical Surveys Report of Investigations 88-8, 2 sheets, scale 1:36,200. Herbert, C.F., and Race, W.H., 1964, Geochemical investigations of selected areas in southeastern Alaska, 1964: Alaska Division of Mines and Minerals Geochemical Report 1, 75 p. Herbert, C.F., and Race, W.H., 1965, Geochemical investigations of selected areas in southeastern Alaska, 1964 and 1965: Alaska Division of Mines and Minerals Geochemical Report 6, 67 p., 4 sheets, scale 1:63,360.
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