With the recent announcement of soft tissue in offtheshelf dinosaur bones 60915 61015 complete with enriched carbon the obvious question is does any of it contain carbon14 because of the isotopes short halflife 5730 years no c14 should be detectable after about 100000 years.
Radiocarbon rc or carbon14 c14 dating of linen cotton bones fossils wood sea shells seeds coal diamond anything with carbon is one of the most common and well understood of the various scientific dating methods carbon14 is a radioactive isotope of carbon that is.
I wont be giving ud any clicks so i dont know the details but from a dating standpoint yes mineralization is contamination on the other hand dinosaur bones are commonly nearly completely replaced with maybe only some of the original calcium remaining.
Re c14 in dinosaur bones in singapore by dr hugh miller 5 by calilasseia 187 jun 25 2014 914 am another possibility of course is that the fossils in question were in a stratum overlaid by a younger stratum containing various radionuclides and any carbon present in the fossils absorbed neutrons from those radionuclides.
Span classnews_dtoct 15 2013spannbsp018332dinosaur bones with modern carbon removed by acid pretreatment have been radiocarbon dated carbon14 by professional laboratories to between 22000 and 39000 years before present.
dinosaur bones have been dated by radiocarbon carbon14 dates range from 22000 to 39000 years before present the dates themselves are not as important as the fact that there is measurable carbon14 in dinosaur bones.