14c dating of fossils

However, scientists are consistently finding C-14, as reported in 2011 in the journal PLo S One for an allegedly 80-million year old mosasaur, and as reported elsewhere in natural gas, limestone, fossil wood, coal, oil, graphite, marble, the ten dinosaurs described above, and even in supposedly billion-year-old diamonds.A secondary assumption by old-earth scientists proposes that the C-14 in diamonds (coal, etc.) must have come from N-14 (or C-13, etc.) and neutron capture.First, there is unavoidable imprecision in the laboratory-calculated age.In ultraclean laboratories, analytical uncertainty can be as low as ±10 years (1 sigma), but in most laboratories, it is of the order of ±50 years (1 sigma).

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As such, there is no certainty that the organism was killed by the landslide, which is the conceptual assumption many researchers make when interpreting radiocarbon ages on such fossils.

(2) There's mostly left-handed amino acids (not yet decayed to a 50/50 right-to-left ratio) in chert and dinosaur eggshells.

(3) There's flexible and even transparent blood vessels, cells, and even and hadrosaur DNA (with a half-life of ~521 years) in dinosaur soft tissue fossils.

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.

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