For the next speaker in the Geography/Geology/Geohydrology Explorations and Observations series, alumnus Jeremy Breeden will give a talk on “U-Pb Detrital Zircon Provenance of the Cretaceous McNairy Sandstone, Southern Illinois” at 3 p.m. Friday, October 9, in Felmley Hall, room 133.

Breeden, who earned his bachelor’s degree from Illinois State, is currently working on a master’s in geology at Southern Illinois University.

The event is free, open to the public, and sponsored by the Department of Geography-Geology. For more information, call 438-7649 or email geo@IllinoisState.edu.