ARKY 201 Lecture Notes - Lecture 13: Archaeomagnetic Dating, Paleomagnetism, Accelerator Mass Spectrometry
Document Summary
Cross - dating: uses objects of known historical age to date other archaeological nds, can be problematic due to collecting, works on previously documented items. Dendrochronology: a dating method that matches the annual growth rings of an archaeologically recovered wood sample to an established temporal sequence, the old wood problem, works on wood only and ad 1500 to 50,000 ya(years ago). Radiocarbon (c14) dating: a dating method that uses the decay of carbon-14 to date organic remains, works on- wood , charcoal, ivory, plants, shell, bone, and other organics, ad 1950. Accelerator mass spectrometry (ams) dating: a newer, more accurate form of radiocarbon dating, accelerate ions to high energies before mass analysis (several percent the speed) !1: dated nds 50 to 20,000years ago, esr is used for more delicate materials such as bone and shell , that decompose if. Monday, october 3, 2016 heated: dates nd up to 1 million years old.
