They normally work within a fairly well defined set of theories that have become a paradigm. Read this Article. So the problem must be solved by a host of assumptions that will probably never be tested. This page was last edited on 24 Marchat Thus, although a crystallization age is not recorded, the information is still useful in constructing the thermal history of the rock.
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I begin by noting that Brooks et al. York, D. Atom, smallest unit into which matter can be divided without the release of electrically charged particles. National Nuclear Data Center. Lanphere, M. To understand argon-argon dating, you need to understand potassium-argon dating.