02279oam 2200589 450 991070865330332120170410151342.0(CKB)5470000002470693(OCoLC)957305454(OCoLC)889716069(EXLCZ)99547000000247069320160825d1994 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierPlatinum-group elements in sedimentary environments in the conterminous United States /by Jocelyn A. Peterson ; with a section on platinum-group elements in coal by Robert B. Finkelman and Susan J. TewaltWashington :United States Government Printing Office ;Denver, CO :For sale by U.S. Geological Survey, Map Distribution,1994.1 online resource (vi, 38 pages) maps (some color)U.S. Geological Survey bulletin ;2049-AGeology and geologic environments permissive for platinum-group elements in the conterminous United States ;ch. AIncludes one folded map in pocket.Plate 1: Permissive areas for platinum-group elements in the conterminous United States, [1992].Includes bibliographical references (pages 27-37).Platinum oresUnited StatesPlacer depositsUnited StatesSedimentary basinsUnited StatesPlacer depositsfastPlatinum oresfastSedimentary basinsfastUnited StatesfastPlatinum oresPlacer depositsSedimentary basinsPlacer deposits.Platinum ores.Sedimentary basins.38.52bclPeterson Jocelyn A.1405718Finkelman Robert B(Robert Barry),Tewalt Susan J.Geological Survey (U.S.),OCLCEOCLCECOPOCLCFOCLCQGPOBOOK9910708653303321Platinum-group elements in sedimentary environments in the conterminous United States3507988UNINA