The upper intercept of the concordia and the discordia line will reflect the original age of formation, while the lower intercept will reflect the age of the event that led to open system behavior and therefore the lead loss; although there has been some disagreement regarding the meaning of the lower intercept ages. Methods of Geological Dating: Print this article Print all entries for this topic Cite this article. So, what exactly is this thing called a half-life? What is Relative Dating? Radiocarbon Dating So, we see there are a number of different methods for dating rocks and other non-living things, but what if our sample is organic in nature? Choose one Student Teacher Parent Tutor.
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Log in or sign up to add this lesson to a Custom Course. Radiocarbon dating is a method used to determine the age of organic material by measuring the radioactivity of its carbon content. With radiocarbon dating, we see that carbon decays to nitrogen and has a half-life of 5, years. Chronostratigraphy Geochronology Isotope geochemistry Law of superposition Luminescence dating Samarium—neodymium dating. The Editors of Encyclopaedia Britannica. This page was last edited on 7 Augustat This is termed the lead—lead dating method.