Lake Superior and the Midcontinent Rift: the billion year story
18:34
Catastrophe and Cartography - Ice Age Floods Visualized
1:16:10
5/10/22 Geology of Lake Superior's North Shore
12:21
At This Spot, North America Almost Split in Two | The Midcontinent Rift
18:44
The Meteorite That Buried Michigan | The Sudbury Impact
10:31
How North America Almost Separated Into Two Pieces
20:46
Modern Life Depends on This Extinct Rock | Banded Iron Formations
19:27
23.1 Carol Stein - North America’s Failed Midcontinent Rift
45:53