02334oam 2200625I 450 991070744690332120160831144226.0(CKB)5470000002465060(OCoLC)885121039(EXLCZ)99547000000246506020140802d1959 ua 0engurn||||||||||txtrdacontentcrdamediacrrdacarrierLead-alpha age determinations of accessory minerals of igneous rocks (1953-1957) /by Howard W. Jaffe, Claude L. Waring, and Helen W. WorthingWashington, D.C. :United States Department of the Interior, Geological Survey,1959.Washington, D.C. :Government Printing Office.1 online resource (iii, 65-148 pages) chartsGeological Survey bulletin ;1097-B"This report concerns work done in part on behalf of the U. S. Atomic Energy Commisionand is published with the permission of the Commission."Title from title screen (viewed July 23, 2014).Includes bibliographical references (pages 145-148).Lead-alpha age determinations of accessory minerals of igneous rocks Geological timeIgneous rocksOresSampling and estimationRadioactive prospectingGeological timefastIgneous rocksfastOresSampling and estimationfastRadioactive prospectingfastGeological time.Igneous rocks.OresSampling and estimation.Radioactive prospecting.Geological time.Igneous rocks.OresSampling and estimation.Radioactive prospecting.Jaffe Howard W.1414318Waring C. L(Claude L.),Worthing Helen W.Geological Survey (U.S.),U.S. Atomic Energy Commission,COPCOPOCLCOOCLCFGPOBOOK9910707446903321Lead-alpha age determinations of accessory minerals of igneous rocks (1953-1957)3513231UNINA