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Dating Additional Spr 2010

Dating Additional Spr 2010 - Additional Relative and...

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Additional Relative and Absolute Dating Techniques Relative: Seriation (stylistic and frequency) Bone chemistry (e.g., fluorine analysis) Absolute: Dendrochronology Archaeomagnetism briefly, Electron Spin Resonance (ESR)
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Relative dating technique Seriation: as human behavior changes through time, so does its material products. Seriation is a technique to order artifacts in sequence. Stylistic seriation: Order one kind of artifact by similarities in style. Change reflects temporal change or spatial distance. Frequency seriation: Order assemblages by relative frequencies of artifact styles. We assume a rise and fall in popularity of styles through time.
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Stylistic seriation Order artifacts by similarities in style, which reflects temporal change or spatial distance.
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Stylistic seriation looks at one kind of artifact (prom dresses, cars, beer cans, etc.) and is illustrated by pictures Frequency seriation , on the other hand, looks at assemblages (collections) and is illustrated by bar charts of percents (frequencies) put together to form “battleship-shaped curves” (So instead of just prom dresses, it would be women’s clothing, vehicles, containers, etc.)
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Frequency seriation Order assemblages by relative frequencies of artifact styles. We assume a rise and fall in popularity of styles through time.
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Fluorine absorption analysis: a type of bone chemistry analysis, it is based on the idea that bones at any one location will absorb minerals (such as fluorine) at the same rate. Thus, older bones will have more fluorine, and younger bones will have less at any one location. Relative dating of bone can be done with other elements, such as uranium (increases with age) or nitrogen (decreases with age).
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