geologic principles
DESCRIPTION
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 PresentationTRANSCRIPT
![Page 1: Geologic Principles](https://reader035.vdocument.in/reader035/viewer/2022062301/56815cb3550346895dcab16a/html5/thumbnails/1.jpg)
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Geologic Principles
• What geologic principles are shown in this diagram?
![Page 2: Geologic Principles](https://reader035.vdocument.in/reader035/viewer/2022062301/56815cb3550346895dcab16a/html5/thumbnails/2.jpg)
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Sequences of Events: What is the order of each event shown?
![Page 3: Geologic Principles](https://reader035.vdocument.in/reader035/viewer/2022062301/56815cb3550346895dcab16a/html5/thumbnails/3.jpg)
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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?
![Page 4: Geologic Principles](https://reader035.vdocument.in/reader035/viewer/2022062301/56815cb3550346895dcab16a/html5/thumbnails/4.jpg)
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Potassium-Argon Decay Series
![Page 5: Geologic Principles](https://reader035.vdocument.in/reader035/viewer/2022062301/56815cb3550346895dcab16a/html5/thumbnails/5.jpg)
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Parent and Daughter Nuclides
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Cross-Cutting Relationships, Superposition and Correlation
• Determining the age of sedimentary strata by correlation
![Page 7: Geologic Principles](https://reader035.vdocument.in/reader035/viewer/2022062301/56815cb3550346895dcab16a/html5/thumbnails/7.jpg)
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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?
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Note the changes in the time scale as it was revised. What do you think are the reasons for this?