Keweenaw Glaciers Lecture

Glaciation was a major deal here, even though there is no real glacial ice left. It was a major revelation to discover this, but it was a wonderful example of geodetective work (reading the landscape) to explain geological features that do not make sense otherwise, and then testing the hypothesis with every other kind of scientific data.

Glaciers Lecture: 58 mins, with long download

GeoElements of Michigan’s Keweenaw:
Lavas    Sandstone    Fault    Glaciers    Lake