02078oam 2200577 450 991070744730332120160824101413.0(CKB)5470000002465056(OCoLC)885121038(EXLCZ)99547000000246505620140802d1959 ua 0engurn||||||||||txtrdacontentcrdamediacrrdacarrierEvaluation of the lead-alpha (Larsen) method for determining ages of igneous rocks /by David Gottfried, Howard W. Jaffe, and Frank E. SenftleWashington, D.C. :United States Department of the Interior, Geological Survey,1959.Washington, D.C. :Government Printing Office.1 online resource (iv, 63 pages) charts, photographsGeological Survey bulletin ;1097-A"This report concerns work done in part on behalf of the U. S. Atomic Energy Commission and is published with the permission of the Commission."Title from title screen (viewed July 23, 2014).Includes bibliographical references (pages 58-63).Evaluation of the lead-alpha Geological timeIgneous rocksRadioactive datingGeological timefastIgneous rocksfastRadioactive datingfastGeological time.Igneous rocks.Radioactive dating.Geological time.Igneous rocks.Radioactive dating.Gottfried David1398152Jaffe Howard W.Senftle F. E.Geological Survey (U.S.),U.S. Atomic Energy Commission,COPCOPOCLCOOCLCFGPOBOOK9910707447303321Evaluation of the lead-alpha (Larsen) method for determining ages of igneous rocks3487088UNINA