juanmiguel6911 juanmiguel6911

25-01-2024
Geography

contestada

What kind of materials can be reliably dated by the C-14 method?
1) precambrian zircons in igneous and metamorphic rocks
2) recent: clams, forminifera, and wood < 50, 000 years old
3) biotite, hornblende, and muscovite; particularly in mesozoic and older rocks
4) paleozoic oil and gas deposits in limestones

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