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Unformatted text preview: Absolute Dating • Dating an object to get the most accurate age • Actually gives you a number Dendrochronology • Dating of past events using tree ring growth • Dates up to 9,000 • Used to recalibrate C-14 dates Carbon 14 Dating • Used to date organic remains • C-14 Half-life: 5730 years • Up to 50- 60,000 years Potassium- Argon (K/Ar) Dating • Half-life 1.3 billion years • Finds the date that piece of rock was “reset” by heating • Useful in volcanic regions like east Africa • Doesnt work where there are no Volcanoes Reconstruction of Acnient Environments and Landscapes • The Driving Force in shaping envornment: temperature • Temperature drives climate, which is linked to biology and chemistry...
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- Spring '08
- Geology, Dendrochronology, relative dating technique