Does carbon dating work for 6 billion years

Posted by / 01-Apr-2020 21:31

Carbon-14 has a half-life of about 5,700 years, so if you find a body with half the carbon-14 of a living body, then that somebody would have been pretty impressed by bronze.

Of course none of that helps when it comes to pottery and tools (except wooden tools).

It is only useful for once-living things which still contain carbon, like flesh or bone or wood.So if you grind up a zircon and measure the tiny amounts of lead vs.uranium, you’re measuring how long it’s been since that zircon formed. Radiometric dating generally involves tallying up trace amounts of material, so it’s not the sort of thing you do out in the field; you need a clean lab.This is the beauty of fundamental research: you never know what you’ll find when you start poking around.Perhaps no concept in science is as misunderstood as "carbon dating." Almost everyone thinks carbon dating speaks of millions or billions of years.

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First, that radioactive isotopes have a fixed half-life (totally independent of their environment).

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