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In a number of instances, more than you might imagine, dates are further corroborated by methods that have nothing to do with radioactivity.Thus, the big, statistical picture painted by radiometric dating is excellent.He plots Woodmorappe's collection of anomalous radiometric results and notices something remarkable.Eat one of those and your tummy will curl right up!The "isochrons" lines were drawn by Faure and Powell  as "reference isochrons" solely for the purpose of showing the magnitude of the scatter in the data. The scatter of the data in Figure 6 shows clearly that the sample has been an open system to age can be calculated from these data.This conclusion was clearly stated by both Wasserburg and others  and by Faure and Powell .An eye-opener awaits anyone who closely examines Woodmorappe's list of bad dates. The results make the method stronger, either by advising us to avoid certain minerals under certain conditions or by building our confidence in applying it to new materials or situations. That is, they were rejected because of internal indicators (such as a bad isochron) rather than on the basis of the final date produced. All of the dates lack the investigator's personal, detailed interpretation. Again, one must demonstrate that a bad date would have been counted as a good date had it not been contradicted by outside data.
Former creationist Glenn Morton examines several famous young-earth creationist arguments and provides data to illustrate their flaws.A spectacular example showcased by Woodmorappe, though not actually listed in his table, deals with an example from California.The Pharump diabase from the Precambrian of California yielded an Rb-Sr isochron of no less than 34 b.y., which is not only 7 times the age of the earth but also greater than some uniformitarian estimates of the age of the universe.But even schoolboys need to know what the right answers are in order to cheat, and there was no absolute age list when radiometric dating was first applied to the strata.Anyone can make up a list of bad cars, bad people, bad neighborhoods, or bad radiometric dates. Is it unsafe for you to drive a car, to meet new people, or to live in a neighborhood? The thing that is lacking in Woodmorappe's argument is statistical balance.