We can't date oil paints, because their oil is "old" carbon from petroleum. And third, it is common to soak new-found fossils in a preservative, such as shellac.
It is produced in the upper atmosphere by radiation from the sun.
(Specifically, neutrons hit nitrogen-14 atoms and transmute them to carbon.) Land plants, such as trees, get their carbon from carbon dioxide in the air. The same is true of any creature that gets its carbon by eating such plants. Suppose such a creature dies, and the body is preserved.
The C14 will undergo radioactive decay, and after 5730 years, half of it will be gone. So, if we find such a body, the amount of C14 in it will tell us how long ago it was alive. The method doesn't work on things which didn't get their carbon from the air.
There is no absolutely reliable long-term radiological ‘clock’ at the sub-atomic level of matter. 8, 1966.) Carbon has unique properties that are essential for life on earth.
The uncertainties inherent in radiometric dating are disturbing to geologist and evolutionists. Familiar to us as the black substance in charred wood, as diamonds, and the graphite in “lead” pencils, carbon comes in several forms, or isotopes.
Additional complications come from the burning of fossil fuels such as coal and oil, and from the above-ground nuclear tests done in the 1950s and 1960s.
All the methods for dating the age of the earth that we use today; its various strata, and its fossils are questionable, because the rates are likely to have fluctuated widely over earth’s history.
Doesn't carbon dating or potassium argon dating prove the Earth is millions of years old? var Folder=Creation Evolution&var Page=Carbon Aitken, M.
The method was developed by Willard Libby in the late 1940s and soon became a standard tool for archaeologists.
This leaves out aquatic creatures, since their carbon might (for example) come from dissolved carbonate rock.
That causes a dating problem with any animal that eats seafood. After about ten half-lives, there's very little C14 left.