Dating Techniques in Archaeology Dating artifacts Known date of manufacture o Coins Rare Seriation o Frequencies between contexts and time Relative Dating Not directly linked to dates o Stratigraphic correlation Law of super position o Fluorine dating Ground water only bone o Biostratigraphy Faunal structural changes o Paleo magnetism Magnetic particles in rock Absolute Dating Stated in calendar years o Measure amount of radioactive decay o Half life Potassium argon K Ar o Rock Matrix o HL 1 25 billion years Radiocarbon dating carbon 14 o Organic material o HL 5700 years Interpreting Dates Intersite Intrasite o Between two or more o Within single site Describe patterns of behavior over time Absolute dating o Longevity of occupation o Artifact or fossil date range 2 5 3 5 mya
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