21-4-048: altered latite - Bristol Bay District - Sill Mine

Details

Specimen Number21-4-048Comments Crowe research collection, C. Schrader MS thesis.Intensely argillically altered, can still see remnant feldspar phenocrysts, as well as remnant and still intact quartz phenocrysts. Matrix entirely altered.In Teaching CollectionNoMineral(s)quartzclayRock Namealtered latiteDistrictBristol BayMineSillExternal LinkMindatGeo-LocationDDH 31, 367.2'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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21-4-048: altered latite - Bristol Bay District - Sill Mine

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21-4-048: altered latite - Bristol Bay District - Sill Mine