These people have only succeeded in correctly showing that one can fool a single radiometric dating method when one uses it improperly.
The false radiometric ages of several million years are due to parentless argon, as described here, and were first reported in the literature some fifty years ago.
Lutetium was independently discovered by Carl Auer von Welsbach, Charles James, and Georges Urbain.
The discovery echoed other rare earth discoveries in which a new element was discovered in minerals that had already been analyzed.
A number of anomalous isochrons have been reported in the literature and various terms have been invented, such as apparent isochron, mantle isochron and pseudoisochron, secondary isochron, inherited isochron, source isochron, erupted isochron, mixing line, and mixing isochron. Zheng, “Influences of the Nature of the Initial Rb-Sr System on Isochron Validity,” Chemical Geology, Isotope Geoscience Section, Vol. And there is no way to measure the original thickness of rock laid down during the supposed geological periods. Piper, “Turbidite Origin of Some Laminated Mudstones,” Geology Magazine, Vol.
Even a suite of samples which do not have identical ages and initial 87Sr/86Sr ratios can be fitted to isochrons, such as areal isochrons. 1] …The theoretical basis of the classical Rb-Sr isochron is being challenged and some limitations of its basic assumptions are being revealed. 2] As it is impossible to distinguish a valid isochron from an apparent isochron in the light of Rb-Sr isotopic data alone, caution must be taken in explaining the Rb-Sr isochron age of any geological system.” [from Abstract, p. In regard to sedimentation rates, Evolutionist Adolph Knopf has stated: “The great differences in the estimates of maximum thickness of many of the systems [geologic periods] manifestly indicate that thicknesses are unreliable measures of geologic time.
Example: A young-Earth research group reported that they sent a rock erupted in 1980 from Mount Saint Helens volcano to a dating lab and got back a potassium-argon age of several million years.
This shows we should not trust radiometric dating, right? The potassium-argon method, with its long half-life of 1.3 billion years, should not be used to date rocks that are only 25 years old.
Similar questions can also arise in applying Sm-Nd and U-Pb isochron methods. 14] …As the method was gradually applied to a large range of geological problems, it soon became apparent that a linear relationship between 87Sr/86Sr and 87Rb/86Sr ratios could sometimes yield an anomalous isochron which had no distinct geological meaning. 1-16 (emphasis added).] It is questionable whether there is any reliable way to determine the speed at which many sediments were deposited. Note that it would be extremely unlikely for another dating method to agree with these bogus ages.Getting agreement between more than one dating method is a recommended practice.Ytterbia was actually partly ytterbium oxide and partly lutetium oxide.French chemist Georges Urbain successfully separated lutetium from ytterbia in 1907 in Paris. Morris, Science, Scripture, and a Young Earth (El Cajon, California: Institute for Creation Research, 1989), pp.