Dating ancient remains


24-Aug-2020 21:03

Sloths and wooly mammoths pushed their weight around; horses and camels had their day.But after the end of the last Ice Age those animals disappeared, so when scientists turn up traces of those animals on archaeological remains, those remains go way back.- Potassium-Argon method – Potassium-40 decays to argon and calcium.

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They do it by comparing the ratio of an unstable isotope, carbon, to the normal, stable carbon All living things have about the same level of carbon, but when they die it begins to decay at uniform rate—the half-life is about 5, years, and you can use this knowledge to date objects back about 60, years.

Radiocarbon Scientists—Archaeologists Liaison It is important that the radiocarbon scientists and archaeologists agree on the sampling strategy before starting the excavation so time, effort, and resources will not be wasted and meaningful result will be produced after the carbon dating process.



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