Specimen Number3-2-017Commentsfrom Crowe research collection, L. Mitchell thesis area; total argillic alteration of unknown protolith, probably rhyoliteIn Teaching CollectionNoMineral(s)illiteField Notesaltered rhyoliteRock Namealtered volcanicDistrictHartMineJumbo SouthExternal LinkMindatGeo-LocationSoutheast Clay PitDeposit TypeEpithermal Low SulfidationGeo-Coords[1] Reference MaterialMitchell, T.L., 1996, The Stable Isotope Geochemistry and Geology of Synvolcanic Gold Mineralization in the Jumbo South Deposit, Castle Mountains, Eastern Mojave Desert, California: Indications of Magmatic Input; University of Georgia MS thesis, 182 p.
3-2-017: altered volcanic - Hart District - Jumbo South Mine. Franklin College Collections, accessed 16/11/2025, https://digitalcollections.franklin.uga.edu/nodes/view/35032