The Dating Game Cambridge: My uncle's found some items in a cave while hiking in the mountains near Puerto Vallarta. No dating methods. It can be used to obtain dates that would be unobtainable by more conventional methods such as radio-carbon dating. Dating methods are most commonly classified following two criteria: Fluorine absorption Nitrogen dating Obsidian hydration Seriation Stratigraphy.
Balter, Michael. JesseM Re: Annual snow layers in the Antarctic going backyears. It's the process of examining relationships and interactions between geological layers to determine a sequence - usually to understand which are earlier. Further limitations exist in dating material that has been reused. Science Daily. Radioactive dating is also used to authenticate the age of rare archaeological artifacts.