1 Jan 1996 Scientists agree that radiometric-dating techniques offer the most concrete evidence of any (For a brief science review, see sidebar and figure 1.) . In this way, formation of an igneous rock resets the potassium-argon clock.
9 Jul 2014 The basic principle of radiometric dating is simple and very well understood. Certain isotopes of elements, such as potassium-40, rubidium-87, . Stephen Meyer made some remarks about your review of his book, recently:.