Specimen Number21-6-047Comments Crowe research collection, C. Schrader MS thesis.Sample is mostly quartz vein material in porphyritic latite. Vein material has abundant open space and is mostly quartz after calcite material.In Teaching CollectionNoMineral(s)quartzplagioclasek-sparRock Namequartz veinDistrictBristol BayMineSillExternal LinkMindatGeo-LocationDDH 19, 527.2'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.
21-6-047: quartz vein - Bristol Bay District - Sill Mine. Franklin College Collections, accessed 16/11/2025, https://digitalcollections.franklin.uga.edu/nodes/view/52594