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ANT200H5 (171)
Lecture

ANT200 (Oct 20).docx

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Department
Anthropology
Course
ANT200H5
Professor
David Smith
Semester
Fall

Description
Topic 7contextual inference time Chronometric absolute o Age in calendar terms still not absolutely exact though o Statistical approximation Chronometric dating o RadiometricBased on radioactive decay o Trapped energyEnergy absorbed by ceramic or rock absorbed Know rate of absorption and loss o Nonradiometric datingConcern of chronology to determine how old something is using chronologic techniques Radiocarbon is most trusted for dating things back to 75 000 years Radiometric o Decay of radioactive materials uranium Radiocarbon th Nuclear explosions in the 20 century which blew away the radio carbon so cant date recent things of 200 years agoPotassiumargon14 Radiocarbon Co Organic material onlyo 75 00020
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