A number of stories are commonly circulated about a shell, or a piece of coal, or some other sample which supposedly yielded a radiocarbon date which could not possibly be correct.
A brief look at the original reference [Vinogradov et al., page 319.]...immediately reveals that the sample was not Pennsylvanian coal at all.
This Radiocarbon reference must originally have been translated from Russian and it is not unreasonable to suppose that there was some loss of descriptive clarity as a result.
But it seems pretty clear that what is being described here is certainly not "Pennsylvanian coal".
Christians, by definition, take the statements of Jesus Christ seriously.
Clearly, such huge time periods cannot be fitted into the Bible without compromising what the Bible says about the goodness of God and the origin of sin, death and suffering—the reason Jesus came into the world (See Six Days?