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1.Using the given information, what is the age of the Stegosaur fossil? 2.Using the given information, what is the age of the trilobites in the

 

1.Using the given information, what is the age of the Stegosaur fossil?

2.Using the given information, what is the age of the trilobites in the trilobite fossil layer?

Part 3: Relative and Absolute Dating: We want to know the ages of these fossils, but we can't date them directly. We are able to extract crystals with useful isotope records from two of these rocks, whose information is below. Volcanic Ash Layer (tuff) 12.5% of parent isotope remains Half-life of isotope is 30 million years Stegosaur Fossil Age unknown Igneous Granite Intrusion 6.25% of parent isotope remains Half-life of isotope is 60 million years Trilobite Fossil Layer Age unknown

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