01645oam 2200457I 450 991070425830332120160122103237.0(CKB)5470000002439091(OCoLC)885119696(EXLCZ)99547000000243909120140802d1956 ua 0engurn||||||||||txtrdacontentcrdamediacrrdacarrierA spectrographic method for determining the hafnium-zirconium ratio in zircon /by C.L. Waring and H.W. Worthing[Washington, D.C.] :United States Department of the Interior, Geological Survey,1956.Washington :United States Government Printing Office.1 online resource (iii, 81-90 pages) chartsGeological Survey bulletin ;1036-FA contribution to geochemistryTitle from title screen (viewed July 22, 2014)."This report concerns work done partly on behalf of the U.S. Atomic Energy Commission and is published with the permission of the Commission."Includes bibliographical references (pages 90).ZirconZirconfastZircon.Zircon.Waring C. L.1395971Worthing H. W.Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910704258303321A spectrographic method for determining the hafnium-zirconium ratio in zircon3455276UNINA