Carbometric dating dinosaur
So if a researcher can verify that he has a sample that has been purified to 99% collagen, for example, then he can be sure that all the carbon in that 99% of the sample is original.Good article, which points out the sad negative effect that such willful misrepresention has on the gospel message.* Six Problems with the Contamination Explanation: (See the 6th point below for why collagen itself cannot be contaminated with modern carbon and for the Nature 2017 paper explaining that microbes like cyanobacteria in fossils get their carbon not from the atmosphere but from their bone substrate, meaning that they cannot supply a younger date than a dinosaur fossil, because they date the same as that fossil!
Thus the radiocarbon content of diamonds is all the more compelling and important, and especially when the specimens are mined from a quarter-of-a-mile below the surface, insulated from our 14c-bearing atmosphere.
* Update: At creation.com/c14-dinos, see the great summary of this presentation from Carl Wieland, president of Creation Ministries International.
And consider this from a peer-reviewed paper in a respected scientific journal, "at a constant 10°C (the approximate mean annual air temperature in Britain today) it will take between 0.2 and 0.7 Ma for levels of collagen to fall to 1% of their original concentration in an optimal burial environment." * Getting Graded: An expert on radiocarbon dating, long-time assistant professor at Loma Linda University, Dr. The teacher corrected a couple points and clarified a few others.
Paul Giem himself, graded the information presented below. He gave the original text (available here) a grade of A minus.
Of course we're hoping that now that we've corrected the material below, that this is solid A work!