Specimen Number21-8-015Alternate NumberP34Commentsfrom Crowe research collection, L. Mitchell thesis area; strongly argillically altered rhyoliteIn Teaching CollectionNoMineral(s)illitekaolinitequartzField Notesstrongly alteredRock Namealtered volcanicDistrictHartMineJumbo SouthExternal LinkMindatGeo-LocationJumbo South 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.
21-8-015: altered volcanic - Hart District - Jumbo South Mine. Franklin College Collections, accessed 13/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/35077