which 2 substances do geologists use in radiocarbon dating

Measurement of Weak Radioactivity. Younger layers are deposited on top of older layers principle of superposition. The results ranged in age from the early 4th century BC to the mid 4th century AD. This means that occasionally the unstable isotope will change its number of protons, neutrons, or both. For example, the age of the Amitsoq gneisses from western Greenland was determined to be 3. The Geologic Time Scale , 2-volume set. Index fossils contained in this formation can then be matched to fossils in a different location, providing a good age measurement for that new rock formation as well.

WHICH 2 SUBSTANCES DO GEOLOGISTS USE IN RADIOCARBON DATING / janiceclark.net

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