02027oam 2200553 450 991070864280332120170412124946.0(CKB)5470000002470799(OCoLC)889716094(EXLCZ)99547000000247079920140901d1993 ua 0engurn||||||||||txtrdacontentcrdamediacrrdacarrier⁴°Ar/³⁹Ar age spectra and total-fusion ages of tektites from Cretaceous-Tertiary boundary sedimentary rocks in the Beloc Formation, Haiti /by G. Brent Dalrymple [and three others]Washington :United States Government Printing Office,1993.1 online resource (iii, 20 pages) illustrations (some color)U.S. Geological Survey bulletin ;2065Title from title screen (viewed August 25, 2014).Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).Includes bibliographical references (pages 18-20).40Ar/39Ar age spectra and total-fusion ages of tektites from Cretaceous-Tertiary boundary sedimentary rocks in the Beloc Formation, HaitiArgon-argon datingHaitiCretaceous-Paleogene boundaryHaitiTektiteHaitiArgon-argon datingfastCretaceous-Tertiary boundaryfastTektitefastHaitifastArgon-argon datingCretaceous-Paleogene boundaryTektiteArgon-argon dating.Cretaceous-Tertiary boundary.Tektite.Dalrymple G. Brent524472Geological Survey (U.S.),COPCOPOCLCOOCLCFOCLCAGPOBOOK9910708642803321⁴°Ar3505551UNINA