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Geology of Illinois

GeologyThroughoutTimeGrades 4–8
Illinois Science Standards »

Geologic “time” is relative and usually beyond human experience, but relative dating of rocks and fossils is an essential technique for a geologist. Students develop a timeline of significant events in Earth’s history, and identify rock and fossil samples to determine geological time.


Available all year.


$60 first program ($80 nonresident), 45 minutes
$40 additional programs ($55 nonresident)  


Reservations are taken by phone at 847-968-3321. Make reservations now—plan early to help ensure you get a schedule that meets your needs. Learn more »