Specimen NumberOS-1-4-006Alternate NumberP30BCommentsstrongly silicified leached-clast brecciaIn Teaching CollectionNoMineral(s)clayquartzRock Namesilicified volcanicDistrictHartMineJumbo SouthExternal LinkMindatGeo-LocationJumbo South pitSub-Location4380' benchDeposit TypeEpithermal Low SulfidationThin SectionBox 6, slot 69Reference 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-1-4-006: silicified volcanic - Hart District - Jumbo South Mine. Franklin College Collections, accessed 12/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/35377