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100   $a20140901d1993      ua             0
101 0 $aeng
135   $aurn||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$a?°Ar/³?Ar age spectra and total-fusion ages of tektites from Cretaceous-Tertiary boundary sedimentary rocks in the Beloc Formation, Haiti /$fby G. Brent Dalrymple [and three others]
210  1$aWashington :$cUnited States Government Printing Office,$d1993.
215   $a1 online resource (iii, 20 pages) $cillustrations (some color)
225 1 $aU.S. Geological Survey bulletin ;$v2065
300   $aTitle from title screen (viewed August 25, 2014).
300   $aAlso available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
320   $aIncludes bibliographical references (pages 18-20).
517 3 $a40Ar/39Ar age spectra and total-fusion ages of tektites from Cretaceous-Tertiary boundary sedimentary rocks in the Beloc Formation, Haiti
606   $aArgon-argon dating$zHaiti
606   $aCretaceous-Paleogene boundary$zHaiti
606   $aTektite$zHaiti
606   $aArgon-argon dating$2fast
606   $aCretaceous-Tertiary boundary$2fast
606   $aTektite$2fast
607   $aHaiti$2fast
615  0$aArgon-argon dating
615  0$aCretaceous-Paleogene boundary
615  0$aTektite
615  7$aArgon-argon dating.
615  7$aCretaceous-Tertiary boundary.
615  7$aTektite.
700   $aDalrymple$b G. Brent$0524472
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910708642803321
996   $a?°Ar$93505551
997   $aUNINA