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Geologic Principles. What geologic principles are shown in this diagram?. Sequences of Events: What is the order of each event shown?. Radiometric Dating. U-Pb decay curve How much of the daughter element is remaining after 4 half lives? What is the age of the sample?. - PowerPoint PPT Presentation
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16 1
Geologic Principles
• What geologic principles are shown in this diagram?
17 2
Sequences of Events: What is the order of each event shown?
19 3
Radiometric Dating
• U-Pb decay curve• How much of the
daughter element is remaining after 4 half lives?
• What is the age of the sample?
20 4
Potassium-Argon Decay Series
21 5
Parent and Daughter Nuclides
22 6
Cross-Cutting Relationships, Superposition and Correlation
• Determining the age of sedimentary strata by correlation
23 7
Cross-Cutting Relationships
• How old (numerical age) is rock unit A?
• How old (numerical age) is rock unit B?
• How old (numerical age) is rock unit C?
25 8
Note the changes in the time scale as it was revised. What do you think are the reasons for this?
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