Happy 374th Birthday to Nicolas Steno!

The "layer cake" stratigraphy of the Colorado Plateau is a great place to see the three pioneering Geological Concepts of Nicolas Steno on display.

Superposition.

Original Horizontality.

And Lateral Continuity.

Hat tip to Polly, Geofriend on Facebook.

National Geographic Video - Electronic Magnetic Pulse

Electronic Armageddon - whether by nature or by man - would be a nightmare for the advanced parts of the North American Continent.



Instead of wasting our time arguing over things we can't change, we need to have some sort of strategy in place to cope with such drastic events.