Specimen NumberOS-1-4-005Alternate NumberP7Commentsstrongly silicified volcanic brecciaIn Teaching CollectionNoMineral(s)clayfeldsparquartzRock Namesilicified volcanicDistrictHartMineJumbo SouthExternal LinkMindatDeposit 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.
OS-1-4-005: silicified volcanic - Hart District - Jumbo South Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/35376