Cenote Dos Ojos located north of Tulum, Mexico

Spring?

This is why all our graduates find jobs in mineral exploration!

We are hiring a structural geologist at #BrockU in Ontario, Canada. Reach out if you are interested! brocku.wd3.myworkdayjobs.com/en-US/brocku...

I received a complaint this semester that I required that students read the textbook. I had pop quizzes based on their reading and I allowed hand-written notes.

Depends on the position, but chemistry implies more hard science

Instead of an LPSC abstract, a few of us posted our concerns about the censorship of the conference at blog.planetary-research.org/2026/01/06/a..., with some suggestions for other conferences you can attend to discuss planetary science. (Definitely shorter than 2 pages 10 pt font, too!)

I made a marbled loaf!

By far most common costume is a Blue Jays player. Also, I expect everyone will be done trick or treating by 8. Happy Halloween and Go Jays!

4,000 gone: Inside NASA’s brain drain In exclusive interviews, ex-NASA scientists speak out on the impact of the agency's mass departures.

Excellent piece from the Planetary Society highlighting some of the human stories of NASA's workforce losses: www.planetary.org/articles/400...

Thankful for fall harvest and sunshine enjoyed with family! #canadianthanksgiving

Goldschmidt is in Montreal. Just saying

My 7-year old son is jumping up and down and chanting for the blue jays

A true honor to perform “American Tune” with #PaulSimon and the incredibly talented students at Juilliard. As I said in the article, I remember first looking at the lyrics of “American Tune” and going “Oh, my God — did you write this yesterday?”

Redox-driven mineral and organic associations in Jezero Crater, Mars - Nature A geological, petrographic and geochemical survey of distinctive mudstone and conglomerate outcrops of the Bright Angel formation on Mars reveals textures, chemical and mineral characteristics, and or...

www.nature.com/articles/s41... great to see this paper out about potential biosignatures in one of Perseverance’s samples! and it’s making quite a splash! What an amazing discovery and I am lucky to have played a small part.

John Brown’s grave

John Brown’s body lies amouldering in his grave. His truth is marching on!

A lesson on abolitionists and truth-tellers and good trouble.

Post your last photo of DC to show what a hell-hole it is.

Just finished rereading a favourite book, To Say Nothing of the Dog. And the cat! A fun escape #booksky #penwiper

Indigo milk cap beauty

Fe-phosphates in Jezero Crater as evidence for an ancient habitable environment on Mars - Nature Communications The Perseverance rover has made the most definitive identification of Fe-phosphate minerals on Mars to date. High-resolution chemical and textural PIXL analyses suggest they originally formed after vi...

Look at those little blue green minerals! They tell us a lot about the environment where they formed. On Mars! www.nature.com/articles/s41...

Fe-phosphates in Jezero Crater as evidence for an ancient habitable environment on Mars - Nature Communications The Perseverance rover has made the most definitive identification of Fe-phosphate minerals on Mars to date. High-resolution chemical and textural PIXL analyses suggest they originally formed after vi...

Look at those little blue green minerals! They tell us a lot about the environment where they formed. On Mars! www.nature.com/articles/s41...

We have a plug in Santa Fe that we like a lot - bigger than our old Forrester but we almost never have to buy gas

Stingray feeding #stingray #zoo #fortwayne

dipper from gravity falls is screaming with his mouth open and his eyes closed . ALT: dipper from gravity falls is screaming with his mouth open and his eyes closed .

So, if you enjoy volcanoes and my writing about them, you have options: the Eruptions Newsletter (eruptions.beehiiv.com), the 5 Minute Volcano podcast (5mv.buzzsprout.com) or just follow along here on Bluesky. Who knew you needed all this volcano?

Pride mineral display 🌈

www.sciencedirect.com/science/arti... New article by @geochemystery.bsky.social! What might evidence of life on Mars look like? These tuffs in Idaho with putative biosignatures might hold the answer.

Just finished reading this to my son! He was skeptical at first, expecting it to be scary, but laughed so hard and now says it’s one of his favourite books.

Sometimes you find a trilobite

Red trillium, Ontario