22-6-033: altered andesite - Bristol Bay District - Pebble Mine

Details

Specimen Number22-6-033Alternate NumberPB167CommentsFrom Crowe research collection, C. Schrader MS thesis. Ambiguous, looks like silicified slightly porphyritic aphanitic andesite with some stockwork pyrite veining.In Teaching CollectionNoMineral(s)quartzfeldsparpyriteRock Namealtered andesiteDistrictBristol BayMinePebbleExternal LinkMindatGeo-LocationDDH 78, 118'Deposit TypePorphyry CopperGeo-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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22-6-033: altered andesite - Bristol Bay District - Pebble Mine

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22-6-033: altered andesite - Bristol Bay District - Pebble Mine