Friday fold: the importance of younging direction

Today’s edition of the Friday fold is a cross-section: Doesn’t look too spectacular, does it? — “Why, it’s just a bunch of strata folded into anticlines and synclines,” I’ll bet you’re thinking. But no… it’s actually more complicated than that. We know it’s more complicated by examining geopetal primary structures in the strata. Geopetal structures … Read more

Reminder: AW#30, the Bake Sale

This is a friendly reminder that you have one more week to prepare your brownies, cakes, puddings, eclairs, gumballs, gobstoppers, and cookies for the Accretionary Wedge Bake Sale. The deadline for the submission of entries is a week from tomorrow, next Friday, January 28. Leave a link in the comments here, or at the original … Read more

How to make a Grand Canyon in seven easy steps

This series of cartoon images ended up on the board yesterday in Historical Geology lab… E = erosion D = deposition Yes, oversimplified: I didn’t include the newest thinking about the subtleties involved in putting together the Brahma and Vishnu Schists and Zoroaster Granite, and I didn’t include mention of faulting (either ancient or more … Read more

Lola, the cartoonist's companion

It’s been a while since I’ve posted any photos of my supremely helpful cat Lola on the blog, so here you go: Lola loves to sit on paper, so when I break out the sketchbook to start working on my monthly cartoon for EARTH magazine, she sidles right up and stakes a claim. Fortunately, I … Read more