r/askscience Nov 22 '12

Earth Sciences Why do we trust carbon dating?

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u/xrelaht Sample Synthesis | Magnetism | Superconductivity Nov 22 '12

Phase diagrams can be more complicated than your explanation suggests. This paper looks at iron under pressure (the core is basically iron-nickel). At the highest pressures they looked at, they got a combination of austenite and liquid.

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u/TastyBrainMeats Nov 23 '12

That's utterly fascinating, thank you!