Rubidium strontium dating

04-Apr-2017 12:52

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Some so-called creation scientists have attempted to show that radiometric dating does not work on theoretical grounds (for example, Arndts and Overn 1981; Gill 1996) but such attempts invariably have fatal flaws (see Dalrymple 1984; York and Dalrymple 2000). continue reading » Because the K/Ar dating technique relies on the determining the absolute abundances of both 40Ar and potassium, there is not a reliable way to determine if the assumptions are valid.

Other dating techniques, like K-Ar (potassium-argon and its more recent variant 40Ar/39Ar), Rb-Sr (rubidium-strontium), Sm-Nd (samarium-neodynium), Lu-Hf (lutetium-hafnium), and U-Pb (uranium-lead and its variant Pb-Pb), have all stood the test of time. Argon loss and excess argon are two common problems that may cause erroneous ages to be determined. continue reading » Other dating techniques, like K-Ar potassium-argon and its more recent variant 40Ar/39Ar, Rb-Sr rubidium-strontium, Sm-Nd samarium-neodynium, Lu-Hf.

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Rubidium-strontium dating is not as precise as the uranium-lead method, with errors of 30to 50 million years for a 3-billion-year-old user.… continue reading »

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