LEADER 01773oam 2200541 450 001 9910707831303321 005 20161227153943.0 035 $a(CKB)5470000002468248 035 $a(OCoLC)885281957 035 $a(EXLCZ)995470000002468248 100 $a20140805d1980 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aFission-track and K-Ar ages of natural glasses $estudy of the problems associated with fission-track dating of glass /$fby C.W. Naeser, G.A. Izett, and J.D. Obradovich 210 1$a[Reston, Va.] :$cUnited States Department of the Interior, Geological Survey,$d1980. 210 2$aWashington :$cUnited States Government Printing Office. 215 $a1 online resource (iv, 31 pages) $cillustrations 225 1 $aGeological Survey bulletin ;$v1489 320 $aIncludes bibliographical references (pages 13-15). 517 $aFission-track and K-Ar ages of natural glasses 606 $aObsidian 606 $aRadioactive dating 606 $aTektite 606 $aObsidian$2fast 606 $aRadioactive dating$2fast 606 $aTektite$2fast 615 0$aObsidian. 615 0$aRadioactive dating. 615 0$aTektite. 615 7$aObsidian. 615 7$aRadioactive dating. 615 7$aTektite. 700 $aNaeser$b Charles W.$01387362 702 $aIzett$b Glen Arthur$f1928- 702 $aObradovich$b John D. 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910707831303321 996 $aFission-track and K-Ar ages of natural glasses$93437091 997 $aUNINA