7_Isotopicage_lecture

7_Isotopicage_lecture - Instruction: View animations in the...

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Unformatted text preview: Instruction: View animations in the Slide Show mode of display. Read the explanatory notes in the Normal View mode of display. Telling Geologic Time Early hourglass methods The radioactivity clock • properties of radioactivity • daughter growth and parent decay Isotopic ages Useful parent-daughter pairs Telling Geologic Time Early hourglass methods The radioactivity clock • properties of radioactivity • daughter growth and parent decay Isotopic ages Useful parent-daughter pairs The ocean reservoir: salt in the ocean rate of salt addition = grams grams/year = years = 1.24 x 10 17 grams 1.39 x 10 9 grams/year = Telling Geologic Time Early hourglass methods The radioactivity clock • properties of radioactivity • daughter growth and parent decay Isotopic ages Useful parent-daughter pairs A chemical element is defined by the number of protons in the nucleus. By definition, hydrogen has 1 proton, helium has 2 protons, and so on through the periodic table of the elements....
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This note was uploaded on 03/20/2011 for the course GEO 303 taught by Professor Leon during the Spring '08 term at University of Texas.

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7_Isotopicage_lecture - Instruction: View animations in the...

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