Cool fossils from the Clearville member of the Mahantango Formation

On Saturday, I took my historical geology class on their field trip out to Corridor H, West Virginia. We made a stop at the Mahantango Formation outcrop exposed on the eastbound exit ramp near Baker, and poked around there for fossils. These Devonian-aged siltstones are chock full of invertebrates including rugose corals, crinoids, articulate brachiopods, … Read more

The Martian, by Andy Weir

There’s a lot of talk about this book lately, since they just made it into what I’m told is a very good movie. I heard the scuttlebutt and watched the preview for the film, and when the protagonist/narrator said “I’m going to have to science the shit out of this,” I knew this was probably … Read more

Bedding/cleavage GigaPans at Harpers Ferry, WV

I’ve been thinking lately about Harpers Ferry, the spot where West Virginia, Virginia, and Maryland meet, at the confluence of the Potomac River and the Shenandoah River. I’ve noted small outcrops of its overturned beddding here previously, and also described a book I read about the man who made the place infamous: John Brown. I … Read more

Friday fold: Apennine crenulation cleavage

My new social media buddy Samuele Jæger Papeschi and I collaborated on some goofy maps in August, but then he noticed my Friday folds, and like the very best human beings anywhere, Samuele offered to pitch in with a few folds of his own. (Other readers are encouraged to do the same!) Today, I’ll feature the first … Read more

Mirage, by Nina Burleigh

My latest audiobook consumed during my commute was the story of Napoleon Bonaparte’s (why do we always call him by his first name?) ill-fated expedition to Egypt in 1798. Napoleon brought with him a corps of “savants,” natural historians, engineers, artists, and musicians, charged with documenting the history and natural history of Egypt, and helping … Read more