On the Cutting Edge - Professional Development for Geoscience Faculty
Rates, Dates and Geologic Time: Teaching about the Temporal Aspects of Geoscience
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Radiocarbon dating project
Mark Schmitz, Boise State University
This is an example of an activity used in a Quaternary Geochronology course, in which a small group of students (3-4) is tasked with transforming a set of activity measurements into radiocarbon ages and calibrated ...

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Dating Students: Relative vs. Numerical Time
Susan Zimmerman, Lawrence Livermore National Laboratory
This activity introduces students to the fundamental ideas of relative versus radiometric dating, using the students themselves as a sample population. In the first half, the students attempt to order the people in ...

Determining Earthquake Recurrence Intervals from Trench Logs
Patricia Cashman, University of Nevada-Reno
Trench logs of the San Andreas Fault at Pallett Creek, CA are the data base for a lab or homework assignment that teaches about relative dating, radiometric dating, fault recurrence intervals and the reasons for uncertainty in predicting geologic phenomena. Students are given a trench log that includes several fault strands and dated stratigraphic horizons. They estimate the times of faulting based on bracketing ages of faulted and unfaulted strata. They compile a table with the faulting events from the trench log and additional events recognized in nearby trenches, then calculate maximum, minimum and average earthquake recurrence intervals for the San Andreas Fault in this area. They conclude by making their own prediction for the timing of the next earthquake.

On the Cutting Edge Exemplary Collection This activity is part of the On the Cutting Edge Exemplary Teaching Activities collection.
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Using Dendrochronology to Determine the Age and Past Environments of the Black Forest Region, Colorado, USA
Paul Grogger, University of Colorado at Colorado Springs
The use of dendrochronology in determining the geologic history of a location. The development of an understanding how tree growth can indicate the relationships between climate, geomorphology, ecology and archeology.