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Unformatted text preview: Dating tree ring by counting the rings and through radiocarbon dating Need to link up a lot of different trees They do overlap Another kind of relative dating Carbon 14 Dating Not exact Half-life 5730 Other dating methods Rehydroxilization o Announced last april o Not sure yet if it works o When u fire pottery, gets rid of all water in clay, minute it comes out of kiln begins to reobsorb it at a constant rate Potassium-argon Obsidian hydration Thermoluminescence Electric spin resonance Uranium series Fission-track Archaeomagnetic Find written texts that discuss dates, already dated events help too Ex: Qatna cuneiform tablet o Writing tells name of king, already knew when king ruled...
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- Fall '10