Dating petrified wood
Folklore has it, as reinforced in classrooms and national parks, that petrified wood takes "millions and millions" of years to form.
I've listened as many people have protested the Biblical doctrine of the young earth. The earth must be old." Imagine their surprise when they realize that wood can petrify quickly, and that no informed geologist would say it takes an excessively long time, certainly less time than it takes for wood to decay in a given environment.
has similarly reported measurable radiocarbon in ancient organic materials, well above the threshold of the accelerator mass spectrometry (AMS) analytical technology used, including ten samples of US coals spanning 45-300 million years of the conventional timescale for the geologic record.
Meticulous laboratory procedures rule out the possibility that this measured radiocarbon is due to contamination, so it must instead be intrinsic to these ancient organic materials.
Researchers who previously found evidence of the Earth's earliest tree have gone one step further.