enables archeologists to characterize and date strata within sites using distinctive artifact forms that research shows to be disgnostic of a particular period of time.
index fossil concept
the godfather pf radiometric dating 3
2 major forms of radiometric dating/
materials (not radiocarbon dating)
igneous rock; volcanic ash
best material for carbon 14 dating?
when organisms take in carbon from source that is depleated of or enriched in C-14 relative to the atmosphere; carbon dating of such samples may return ages that are conciderably older or younger than they actually are.
snails eat old carbon from limestone and loo older on radiocarbon test; ocean is a source of; ancillary dating problems on skeletons of seafood eating creatures due to the...