How reliable is argon argon dating

You've got two decay products, lead and helium, and they're giving two different ages for the zircon. For this reason, ICR research has long focused on the science behind these dating techniques. These observations give us confidence that radiometric dating is not trustworthy. Research has even identified precisely where radioisotope dating went wrong.
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Archaeological Dating: Stratigraphy and Seriation

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Ever since The Enlightenment, and possibly even before that, researchers have attempted to understand the chronology of the world around us, to figure out precisely when each stage in our geological, biological and cultural evolution took place. Even when the only science we had to go on was religious literature and the western world believed the world was created in BC 1 , scholars tried to figure out when each biblical event took place, to define a chronology from savagery to civilization, from creation to the first animal, then to the emergence of the first people. The pre-enlightenment understanding of our geological and cultural history may now be proven wrong and subject to ridicule, but the principles of defining our place in time in the cosmos underpin many sciences. As technology advances, so do our methods, accuracy and tools for discovering what we want to learn about the past. All dating methods today can be grouped into one of two categories: absolute dating , and relative dating. The former gives a numeric age for example, this artefact is years old ; the latter provides a date based on relationships to other elements for example, this geological layer formed before this other one.
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Radiometric Dating

It is in group 18 of the periodic table and is a noble gas. It is more than twice as abundant as water vapor which averages about ppmv, but varies greatly , 23 times as abundant as carbon dioxide ppmv , and more than times as abundant as neon 18 ppmv. Argon is the most abundant noble gas in Earth's crust, comprising 0.
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Carbon from Latin : carbo "coal" is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent —making four electrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table. Carbon is the 15th most abundant element in the Earth's crust , and the fourth most abundant element in the universe by mass after hydrogen , helium , and oxygen. Carbon's abundance, its unique diversity of organic compounds , and its unusual ability to form polymers at the temperatures commonly encountered on Earth enables this element to serve as a common element of all known life.
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