Specimen NumberOS-1-6-005Alternate NumberLesley AnnCommentsfrom Lesley Ann pit, vuggy, argillically altered rhyolite brecciaIn Teaching CollectionNoMineral(s)clayquartzRock Namerhyolite brecciaDistrictHartMineJumbo SouthExternal LinkMindatGeo-LocationLesley Ann 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.
OS-1-6-005: rhyolite breccia - Hart District - Jumbo South Mine. Franklin College Collections, accessed 07/10/2026, https://digitalcollections.franklin.uga.edu/nodes/view/35395