Specimen NumberOS-1-6-003Alternate NumberLM-30CommentsSilicified, moderately argillized rhyolite with minor brecciation along veinsIn Teaching CollectionNoMineral(s)clayquartzRock Namesilicified volcanicDistrictHartMineJumbo SouthExternal LinkMindatGeo-LocationEgg DomeDeposit TypeEpithermal Low SulfidationThin SectionBox 6, slot 72Reference 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.
OS-1-6-003: silicified volcanic - Hart District - Jumbo South Mine. Franklin College Collections, accessed 12/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/35393