What is a Marker Bed?
I’ve had a couple requests to give a few more examples of what a geological marker bed (a.k.a. marker horizon) actually is, and more fully explain why I chose Marker Bed as the title...
Category: Extinctions
Marker Bed
Well, after twenty-five years I’m pleased to announce that Marker Bed is finally published and ready for purchase on the Amazon website. Our story takes place 300,000,000 years in the future, and while Marker...
What’s Next?
I spend quite a bit of time thinking about what the earth is going to look like when humans are no longer around to take care of it. I had a student once who...
Dinosaur Extinction and Nuclear Winter
I saw an article on the Fox website that discussed the extinction of the dinosaurs approximately sixty-six million years ago, marking the end of both the Mesozoic Era and the Cretaceous Period. The article,...
