It all started with a session in which the students do some basic stratigraphy and palaeontology exercises. Nice; right up my street! And you don't get to sit still very much; the students need lots of help. Sometimes they need perhaps a bit too much; they could sometimes first just think logically before they go and ask someone, but on the other hand, it's nice and interactive. The questions are easy, and it's easy to steer the students towards an answer. Sometimes it just needs some rewording, or some reassurance something isn't a trick question. Or maybe just the explanation of a word. And you get to see many, many pennies drop in the course of the three hours. I enjoyed it! And the second session was fun too.
A figure taken from the practical