01773oam 2200541 450 991070783130332120161227153943.0(CKB)5470000002468248(OCoLC)885281957(EXLCZ)99547000000246824820140805d1980 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierFission-track and K-Ar ages of natural glasses study of the problems associated with fission-track dating of glass /by C.W. Naeser, G.A. Izett, and J.D. Obradovich[Reston, Va.] :United States Department of the Interior, Geological Survey,1980.Washington :United States Government Printing Office.1 online resource (iv, 31 pages) illustrationsGeological Survey bulletin ;1489Includes bibliographical references (pages 13-15).Fission-track and K-Ar ages of natural glasses ObsidianRadioactive datingTektiteObsidianfastRadioactive datingfastTektitefastObsidian.Radioactive dating.Tektite.Obsidian.Radioactive dating.Tektite.Naeser Charles W.1387362Izett Glen Arthur1928-Obradovich John D.Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707831303321Fission-track and K-Ar ages of natural glasses3437091UNINA