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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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sopmit sopmit
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6 years ago

Describe and discuss the methods for deriving absolute geologic dates. How have these methods influenced the
  geologic time scale? Discuss possible sources of uncertainty in dates determined using these methods. What will be an ideal response?
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#1
6 years ago

The student should discuss various radiometric dating systems, including radiocarbon dating,
uranium-lead, rubidium-strontium, samarium-neodymium, and potassium-argon. Especially
important is recognition that different half-lives for these systems allow them to date a
variety of events in the geologic record. Fission-track and tree-ring dating should also be
discussed. The student should also discuss effects of metamorphism on radiometric dating and analytical uncertainties in chemical analyses.
sopmit Author
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#2
6 years ago
Appreciate your effort, thank you
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