21-4-040: altered latite - Bristol Bay District - Sill Mine

Details

Specimen Number21-4-040Comments Crowe research collection, C. Schrader MS thesis.Weakly altered latite, with multiple crosscutting stockwork veins of quartz with vfg grayish phase in some of the veins, possible sulfosalt? No visible sulfide.In Teaching CollectionNoMineral(s)quartzplagioclasek-sparRock Namealtered latiteDistrictBristol BayMineSillExternal LinkMindatGeo-LocationDDH 4, 36.5'Deposit TypeEpithermal Low SulfidationGeo-Coords^[1]Reference MaterialACL-156: Berg, H.C. and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska; U.S. Geol. Surv. Bull. 1246, Washington, D.C., 254 p.

Schrader, C.M., 2001, Geochronology and Geology of the Pebble Cu-Au-Mo Porphyry and the Sill Au-Ag Epithermal Deposits, Southwest Alaska; University of Georgia MS thesis, 109 p.

Tracy, B.J., 2001, Geology and Ore Fluid Geochemistry of the Pebble Cu-Au Porphyry Deposit, Southwest Alaska; University of Georgia MS thesis, 148 p.

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21-4-040: altered latite - Bristol Bay District - Sill Mine

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21-4-040: altered latite - Bristol Bay District - Sill Mine