I was up in Carleton College (Northfield, Minnesota) for most of the week, working on a new teaching module for the InTeGrate project. On the way between our work area and the cafeteria where we ate lunch, we passed the geology department’s rock garden. They have some great specimens there, some big, some small. Here are three that featured folds:
Closer in, you can note an exquisite example of differential weathering:
Northfield is a lovely place. I think it would be idyllic to go to school at Carleton.