The Great Unconformity in some locations has nearly a billion years of missing time in the rock record. We talk about what it is and new insights on how it formed.
This week the Flannelcasters talk about the Kola Superdeep Borehole - the deepest borehole ever drilled by humans, extended nearly 12 km below the surface of the Earth.
The Flannelcasters talk about the cause of the 1906 San Francisco earthquake, the resulting damage, and positive changes resulting from the earthquake.