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Callan Bentley

@callanbentley.bsky.social
3.6K followers 1.1K following 4.1K posts

"bluebirds, bluegrass, blueschist, blue state, bluesky" Community college geology professor in Charlottesville, Virginia, USA

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Reposted by Callan Bentley
Evelyn @evelyn-see2468.bsky.social · 14h
I had the privilege of joining STEMSEAS this September and joining as part of their science team to learn how science is done aboard ships!
The R/V Atlantis a group of people smiling at the camera on a boat in the Panama Canal
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Callan Bentley @callanbentley.bsky.social · 15h
New video! "Fossilized" raindrop impressions from hurricane Helene. youtu.be/2xUNs-MIls8?... ⚒️
youtu.be
Curatorial Corner, episode 8: HURRICANE HELENE RAINDROP IMPRESSIONS
YouTube video by Callan Bentley
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Callan Bentley @callanbentley.bsky.social · 13/10/2026
en.wikipedia.org/wiki/Hornfels ⚒️
en.wikipedia.org
Hornfels - Wikipedia
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Callan Bentley @callanbentley.bsky.social · 12/10/2026
For my YouTube channel, I would like to interview someone with expertise in the following topics: 1) El Niño 2) Cascadia subduction 3) upcoming space missions 4) Axial Seamount I welcome any suggestions or leads you all may have. Thank you.
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Callan Bentley @callanbentley.bsky.social · 12/10/2026
Nature's ceramic.... Baked mud
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Reposted by Callan Bentley
c0nc0rdance @c0nc0rdance.bsky.social · 12/10/2026
These are green keel-bellied lizards (Gastropholis prasina) enjoying a sprinkling in their enclosure. These particular lizards are described as "Tiffany Blue", the result of an "axanthic" mutation that blocks their normal yellow pigment, revealing the underlying blue pigment. Also: MLEM.
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Callan Bentley @callanbentley.bsky.social · 12/10/2026
Long-tailed salamander seen by my students Saturday in the Blue Ridge Tunnel. The amphibians gather reliably at a gushing spring where the tunnel transects a fault. ⚒️🦎
Yellow salamander with black spots on gray wet rock
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Reposted by Callan Bentley
Paul D. Taylor @nhmbryozoa.bsky.social · 12/10/2026
#MolluscMonday Giants from the south. A display cabinet in the Sedgwick Museum, Cambridge houses huge rudists from the Upper Greensand (Albian) of Shillington, Bedfordshire, an unexpected occurrence in the British Cretaceous far away from the Tethyan homeland of these bivalves.
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Callan Bentley @callanbentley.bsky.social · 11/10/2026
A few seconds of Pickles walking her pet Foxy.
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Callan Bentley @callanbentley.bsky.social · 11/10/2026
Great opportunity at my alma mater teaching undergraduate geology at an excellent department: williammary.wd12.myworkdayjobs.com/en-US/WM/job... ⚒️
williammary.wd12.myworkdayjobs.com
Associate Teaching Professor of Geology
Job Requisition: JR102109 Associate Teaching Professor of Geology (Open) Job Posting Title: Associate Teaching Professor of Geology Department: CC00101 WM001 | CAS | Geology Dept Job Family: Faculty -...
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Callan Bentley @callanbentley.bsky.social · 11/10/2026
This supernova happened a mere 845 years ago. Think of all the wild and deeply unstable isotopes you could find in this setting...
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Reposted by Callan Bentley
Dave Petley @davepetley.bsky.social · 11/10/2026
#nepal has suffered another significant landslide and flood event, this time on the Budhi Gandaki river at Chumnubri & Dharche in Gorkha. The cause may be a valley blocking landslide near Chumchet. At least 5 people may be missing and bridges & houses have been destroyed. youtube.com/shorts/ZBlOC...
youtube.com
BUDHI GANDAKI मा महाप्रलय!बिहानै भीषण बाढी, गाउँ नै तहसनहस!#nepal #flood #budhigandiki#sad #news
YouTube video by Khada Devi Video
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Callan Bentley @callanbentley.bsky.social · 10/10/2026
A lot of rain expected over the next 24 hours.
Screenshot from National weather service flood alert, indicating three to five inches of rain where I live
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Callan Bentley @callanbentley.bsky.social · 10/10/2026
It kneads none whatsoever
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Callan Bentley @callanbentley.bsky.social · 10/10/2026
Four different shades of hornfels from the Culpeper quarry ⚒️
Fout fine grained rock samples of maroon, gray, green, and brown color, on a wooden table with a quarter for scale
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Callan Bentley @callanbentley.bsky.social · 10/10/2026
Try a little bite of trilobite for breakfast ⚒️
A skillet containing hash browns and two fried eggs, annotated to resemble a circular trilobite
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Callan Bentley @callanbentley.bsky.social · 10/10/2026
Fun family bonfire last night:
A conical pillar of flame emerging from a pile of sticks
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Callan Bentley @callanbentley.bsky.social · 10/10/2026
They have moved on to other parts of the quarry for fresh rock. These have been preserved (mostly - the Smithsonian cut some out) in perpetuity. 👍👍
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Callan Bentley @callanbentley.bsky.social · 10/10/2026
This aftershock sequence is one for the textbooks. ⚒️
An incredibly linear death of orange dots on a map of Panama, with a red dot amongst them.
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Callan Bentley @callanbentley.bsky.social · 09/10/2026
M7.7 earthquake in #Panama: Earthquake expert @drwendyrocks.bsky.social joins me for a conversation about the setting and implications: youtu.be/div0OWx863c ⚒️
youtu.be
Dr. Wendy Bohon on M7.7 Panama Earthquake
YouTube video by Callan Bentley
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Callan Bentley @callanbentley.bsky.social · 09/10/2026
New video! ⚒️ youtu.be/ppkSP880kco?...
youtu.be
Culpeper Quarry: drone survey of dinosaur tracks
YouTube video by Callan Bentley
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Reposted by Callan Bentley
jamelle @jamellebouie.net · 08/10/2026
a livestreamed execution is just a lynching
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Callan Bentley @callanbentley.bsky.social · 08/10/2026
Banana republic
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Callan Bentley @callanbentley.bsky.social · 08/10/2026
Spotted lanternflies - I saw *zero* here two years ago. Now it's like this.
Dozens of lavender/gray insects on tree bark.
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Reposted by Callan Bentley
Will Ratcliff @wcratcliff.bsky.social · 07/10/2026
Out today in @nature.com: our review on how single cells evolve into multicellular organisms. With Ozan Bozdag, @kaitong25.bsky.social, Peter Yunker, and @matthewherron.bsky.social. rdcu.be/9ZuiKow9twKa For an overview, check out the video below.
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Callan Bentley @callanbentley.bsky.social · 08/10/2026
Nope, sorry
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Callan Bentley @callanbentley.bsky.social · 07/10/2026
My student Evelyn presents at Geology Club about her recent STEMSEAS journey from Norfolk, VA across the Caribbean and through the Panama Canal. ⚒️🌊
A student with long black hair points at a PowerPoint slide which is a diagram of a ship. Other students pay close attention
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Callan Bentley @callanbentley.bsky.social · 07/10/2026
Check out five of my stromatolites! (New video) youtu.be/D1HtKR8AnVM?...
youtu.be
Curatorial Corner, episode 7: STROMATOLITES
YouTube video by Callan Bentley
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Callan Bentley @callanbentley.bsky.social · 07/10/2026
They are using it as *TWO* separate words? What the hell, they can't even Newspeak right.
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Callan Bentley @callanbentley.bsky.social · 07/10/2026
I got it over the summer out in the Pacific west of Vancouver island.
A green smear of light on the ocean horizon under orange skies
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Reposted by Callan Bentley
Ryan Stauffer @ryanswx.bsky.social · 06/10/2026
Haha, this fucking sucks.
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Reposted by Callan Bentley
Josh Cozart @joshcozartwx.bsky.social · 07/10/2026
Great views out of Seaside on Tuesday afternoon. ☁️ #Oregon #PNW
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Callan Bentley @callanbentley.bsky.social · 07/10/2026
Wow. Yes, exactly. Did your Yukon tower have a gaping arch at its base too?
A tower of rock with a big hole where I would rather it had a solid foundation.
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Callan Bentley @callanbentley.bsky.social · 07/10/2026
More importantly, the leftmost turret has an arch at its base which means its foundational support is worryingly minimal. More on that soon, pending our analysis...
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Callan Bentley @callanbentley.bsky.social · 07/10/2026
I do not think it would be safe. There are periodic spalling events that drop off rocks along bedding plane perpendicular joints. I think people would facilitate that action if they got up there, to their own detriment and those below.
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Callan Bentley @callanbentley.bsky.social · 07/10/2026
Nope.
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Callan Bentley @callanbentley.bsky.social · 06/10/2026
Natural Chimneys is such a compelling place: "tower karst" (à la southern Thailand or Guilin, China) in the heart of Augusta County, Virginia. ⚒️
Aerial view of a cluster of multiple limestone turrets, with forest behind and mowed grass (& a fence) in the foreground.
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Callan Bentley @callanbentley.bsky.social · 06/10/2026
A drone's eye view of the team during yesterday's field work at Natural Chimneys Park in Augusta County. ⚒️
A boxy circle of rock frames a quartet of people standing in a grassy field on the far side of a wooden fence.
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Callan Bentley @callanbentley.bsky.social · 06/10/2026
Better, IMO
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Callan Bentley @callanbentley.bsky.social · 06/10/2026
Cool!
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Callan Bentley @callanbentley.bsky.social · 06/10/2026
(I artificially imparted the red tone to enhance the power of the visual match.)
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Callan Bentley @callanbentley.bsky.social · 06/10/2026
It's looking like the Turkish flag up there in the sky this morning.
The horns of the crescent Moon point towards Jupiter
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Callan Bentley @callanbentley.bsky.social · 06/10/2026
Digging Nick Lane"s explorations of the evolutionary implications of cellular biochemistry - "Life Ascending" would be the one to start with. ("Transformer," which I'm reading now is more chemical.).
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Reposted by Callan Bentley
Andrew Alden @geology.bsky.social · 06/10/2026
You know, I gave my own pittance, but if just one or two of those fat cats who bought whole dinosaur skeletons would step up with real money, a LOT of people would be grateful.
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Callan Bentley @callanbentley.bsky.social · 05/10/2026
Also:
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Callan Bentley @callanbentley.bsky.social · 05/10/2026
Back in the drone game today, at Natural Chimneys Park.... ⚒️
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Callan Bentley @callanbentley.bsky.social · 05/10/2026
New video! Making sills and dikes with squeezable jelly! youtu.be/F2h4DCGeGuI?...
youtu.be
Kitchen Geology episode 5: "Jelly Sills & Dikes"
YouTube video by Callan Bentley
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Callan Bentley @callanbentley.bsky.social · 05/10/2026
👆 @chuckwendig.bsky.social 👆 See above
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Callan Bentley @callanbentley.bsky.social · 05/10/2026
🙄
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