Barnes, writing inought to have known better than to quote the gropings and guesses of authors of the early sixties in an effort to debunk magnetic reversals. The detractors of science will persist in hitching their silly little wagons to any problem anyone identifies, and of course for them the problems are ends in themselves. The methodology is quite accurate, but dendrochronology supposedly shows that the C14 dates go off because of changes in the equilibrium over time, and that the older the dates the larger the error. Retrieved 2 February You can be assured our editors closely monitor every feedback sent and will take appropriate actions.
So even brand-new samples contain incredibly tiny quantities of radiocarbon.
Thanks to Fossil Fuels, Carbon Dating Is in Jeopardy. One Scientist May Have an Easy Fix
New research shows, however, that some estimates based on carbon may have erred by thousands of years. National Center for Science Education, Inc. For example, a steel spearhead cannot be carbon dated, so archaeologists might perform testing on the wooden shaft it was attached to. One such indicator is the uranium-thorium dating method used by the Lamont-Doherty group. Look at the rings on that cross section. You will receive emails containing news contentupdates and promotions from The New York Times.