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As lava flows aren't organisms, and don't ingest atomospheric C by drinking, eating or breathing, C dating won't work. This Site Might Help You. The carbon in the lava does not normally contain any atmospheric carbon and thus no carbon14, so direct measurement of the date of lava extrusion is not possible using carbon isotope systematics. Radiocarbon dating can really only be used in applications of dating organic compounds, which is why it's so good in things like archaeology.
But rocks don't contain the compound in sufficient quantities to date them that way. Radiometric methods are used to date rocks, but not radiocarbon. Think; why does 14C work for things like wood? Then think about where lava flows come from. Related Questions Can carbon be used for dating lava flows?
Can carbon be used for dating lava flows? Can Carbon 14 be used for dating lava flow? Can carbon 14 be useful in dating lava flows?
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