The decay series of most interest to geologists are those with half-lives of tens, hundreds or thousands of millions of years.

This dating method is principally used for determining the age of formation of igneous rocks, including volcanic units that occur within sedimentary strata.It makes no sense at all if man appeared at the end of billions of years.We will deal with carbon dating first and then with the other dating methods.People wonder how millions of years could be squeezed into the biblical account of history. 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? He said, This only makes sense with a time-line beginning with the creation week thousands of years ago.