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Old Man Breccia Prospect, Yentna District, Matanuska-Susitna Borough, Alaska, USA

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List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe1-xS (x = 0 to 0.17)
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2


5 entries listed. 5 valid minerals.

References

Reed, B.L., and Elliott, R.L., 1970, Reconnaissance geologic map, analyses of bedrock and stream sediment samples, and an aeromagnetic map of parts of the southern Alaska Range: U.S. Geological Survey Open-file Report 70-271, 24 p., 4 sheets, scale 1:250,000.

Mineral and/or Locality  
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