Need help with GEO – Week 2 – Discussion

Choose either a radiometric dating technique or an index (guide) fossil.  Be sure to describe the elements used in the dating technique, the ages of rock for which it is useful and what rocks or minerals are involved.  For the index fossil, describe the type of organism and the time period in which it lived (e.g. Cretaceous, 71-65 million years ago).  Now review the responses of at least two other classmates and compare your fossil selection with theirs.

200 – 300 words, at least two citations with APA formatting on the citations. 

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