Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: notesfiles Path: utzoo!linus!philabs!prls!amdimage!amdcad!amd!pesnta!hplabs!hp-pcd!hpfcla!lief From: lief@hpfcla.UUCP (lief) Newsgroups: net.origins Subject: Re: Orphaned Response Message-ID: <14600029@hpfcrs.UUCP> Date: Tue, 23-Jul-85 16:55:00 EDT Article-I.D.: hpfcrs.14600029 Posted: Tue Jul 23 16:55:00 1985 Date-Received: Thu, 1-Aug-85 21:13:38 EDT References: <386@iham1.UUCP> Organization: Hewlett-Packard - Fort Collins, CO Lines: 30 Nf-ID: #R:iham1:386:hpfcrs:14600029:37777777600:1364 Nf-From: hpfcrs!lief Jul 23 12:55:00 1985 >> On the >> other hand, measurements made at hundreds of sites >> worldwide [a,b] indicate that the concentration of >> radiocarbon in the atmosphere rose quite rapidly at some >> time prior to 3,500 years ago. > >I seem to remember it as not all that rapid, but go on... > >> If this happened, the >> maximum possible radiocarbon age obtainable with the >> standard techniques (approximately 50,000 years) could >> easily correspond to a TRUE age of 5,000 years. > >Wrong! If there used to be more C14 in the atmosphere than there is now, >it would make radiocarbon dates come out too *young*, not too old. At >least try to get the direction of the error right! > >Human: Gordon Davisson >ARPA: gordon@uw-june.ARPA >UUCP: {ihnp4,decvax,tektronix}!uw-beaver!uw-june!gordon >/* ---------- */ > Would you please read that again, Gordon? HE DID NOT STATE THAT THERE USED TO BE MORE C14 IN THE ATMOSPHERE THAN THERE IS NOW! On the contrary, he stated that the amount of C14 in the atmosphere has increased sometime during the last 3-4 thousand years. You are the one in error! Lief Sorensen HP Fort Collins, CO Uucp ...!hpfcla!lief