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doktrock.bsky.social
bse
@doktrock.bsky.social
2K followers 1.6K following 990 posts
Earthologist in a Chem Dept. Fargo via St.Paul Minneapolis, U Minn. Immigrant son 🇩🇪🇱🇹/🇮🇳, spouse to 🇮🇸. 2x Fulbright #T1D ally ❤️Chicago. Geology! doktrock.net
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doktrock.bsky.social
bse @doktrock.bsky.social · Aug 4
What are you standing on? Check out the #geology under your feet using the Rockd app on your phone!
Developed by the University of #Wisconsin Macrostrat lab.
Funding from NSF (US National Science Foundation) and U Wisconsin Dept of Geoscience.
rockd.org/
rockd
Explore, learn about, and document your geologic surroundings! Whether you are a professional geoscientist or curious about the rocks around you and the stories they tell, Rockd allows you to explore ...
rockd.org
Reposted by bse
daverodland.bsky.social
When #FossilFriday is also Black Friday, one looks for black fossils ... bonus points if they were apparently purchased from a science supplier like Wards. This on is a large specimen of Maclurites, an Ordovician taxon generally believed to be sedentary, suspension feeding gastropods.
A large black gastropod fossil shaped like the classic logarithmic spiral, except that the ventral surface (the one it would lie on) is flattened and there is no sign of chambers. Label: "Maclurites sp. Chazy limestone, Ordovician Plattsburg, New York "
November 28, 2025 at 2:09 PM
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gabcody.bsky.social
November: Bar Harbor
Coast of Maine. Moon peeks through a cloudy night sky.
November 27, 2025 at 9:28 PM
doktrock.bsky.social
#FossilFriday 🧪⚒️
smmnh.bsky.social Southern Minnesota Museum of Natural History @smmnh.bsky.social · 19h
Oreodonts are extinct mammals that looked similar to pigs and sheep, but were more closely related to camels. They are the most commonly found fossil in the White River Badlands in South Dakota, and this exceptional specimen from our collection shows an oreodont curled up inside its burrow.
Oreodonts are extinct mammals that looked similar to pigs and sheep, but were more closely related to camels. They are the most commonly found fossil in the White River Badlands in South Dakota, and this exceptional specimen from our collection shows an oreodont curled up inside its burrow.
November 28, 2025 at 5:35 AM
doktrock.bsky.social
"My first thought was, 'Holy shmolies" 🧪⚒️
November 27, 2025 at 8:38 PM
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tomgillpredicts.bsky.social
A surprise about the early history of the Moon.
www.sciencealert.com/scientists-c...
Scientists Cracked Open a Lunar Rock And Found a Huge Surprise
A tiny sample of the Moon locked away for more than 50 years turns out to have been hiding an astronomical secret.
www.sciencealert.com
November 27, 2025 at 12:52 AM
Reposted by bse
theplanetaryguy.bsky.social
Holy fucking shit this is a *real* image from a *real* (presumably peer-reviewed) paper in [Nature] Scientific Reports.

How many people had to sign off on this figure?

The editor, one hopes, the reviewer(s)? The copy editor?

What had to happen for THIS to get published?
feralrobots.bsky.social Feral T. Robot, Oil Swamp Utility Bot #7629 @feralrobots.bsky.social · 23h
Hey @nature.com, have you got an explanation for how the hell THIS happened? & especially why you accepted a paper with such a bizarre piece of genAI slop in it?!
& more to the point, why we should take you seriously at all going forward?
www.nature.com/articles/s41...
Figure 1 from a paper published in Nature (linked in post). The figure purports to be an infographic depiction of the "Overall working of the framework" for 'explainably' diagnosing autism spectrum disorder. The infographic is plainly nonsense, containing many spelling errors, nonsense words, meaningless images and graphs. Clearly created using generative AI and (crucially) NEVER CHECKED AT ANY STEP OF THE WRITING OR PUBLICATION PROCESS.
November 27, 2025 at 8:11 PM
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mineralsocamerica.bsky.social
Thin Section Thursday!
Ophitic texture of plagioclase laths encased in clinopyroxene in a gabbro from the Glen Mtns. Layered Complex in southwestern Oklahoma. Contributed by Robert Puckett. You can contribute too! Send images to akoziol1 at udayton dot edu. #thinsectionthursday
November 27, 2025 at 1:32 PM
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rachelschine.bsky.social
My annual traveling turkeys post! What do you do when a New World bird visits the Mughal court? Paint it in miniature, of course! This essay by Neha Vermani follows the Muslim reception of our feathered friends.
www.folger.edu/blogs/shakes...
The turkey's journey from the Atlantic to the early modern Islamic world | Folger Shakespeare Library
Folger Shakespeare Library is the world's largest Shakespeare collection, the ultimate resource for exploring Shakespeare and his world. Shakespeare belongs to you. His world is vast. Come explore. Jo...
www.folger.edu
November 27, 2025 at 2:23 PM
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marspidermonkey.bsky.social
Native to the Americas, the Portuguese brought a “turkey” to India; in Ottoman Turkish, they were called “chicken from the land of India.”

An Englishman later described them as fowl from “Turkey,” and that’s where the English name appears to come from…
November 27, 2025 at 2:38 PM
doktrock.bsky.social
Tyrannosaurus rex and #mammoth fossil finds in #Northdakota announced! 🦖 #dinosaur #paleontology #geology #NDGS #FossilFriday 🧪⚒️

northdakotamonitor.com/briefs/rare-...
Rare T. rex find in North Dakota, mammoth fossil digs ‘significant’ for research • North Dakota Monitor
The North Dakota Geological Survey has found a new Tyrannosaurus rex skeleton at a dig site in southwest North Dakota.
northdakotamonitor.com
November 27, 2025 at 3:00 PM
doktrock.bsky.social
Some #Minnesota folks will recognize this
November 27, 2025 at 2:11 AM
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mrlepus.bsky.social
This... this is actually something of a landmark moment. Sadly it won't get anywhere near the coverage it deserves in the west.

www.zmescience.com/science/news...
Chinese Space Station Achieves First-Ever Oxygen and Rocket Fuel Production Using Artificial Photosynthesis
https://youtu.be/gX-WVWWEVEU When humans dream of venturing farther into the cosmos, one massive logistical question looms: how do we keep everyone
www.zmescience.com
November 26, 2025 at 6:55 PM
doktrock.bsky.social
"Law enforcement, protesters clash as federal agents make arrests in St. Paul" | MPR News #Minnesota #ICE

www.mprnews.org/story/2025/1...
Law enforcement, protesters clash as federal agents make arrests in St. Paul
Gov. Tim Walz said Tuesday that state officials were “working to understand what unfolded. We received no heads up from federal authorities on this operation.”
www.mprnews.org
November 26, 2025 at 7:47 PM
Reposted by bse
cidbarret85.bsky.social
Footage of ICE and St. Paul, MN PD brutalizing community members after ICE abducted 2 of their neighbors. 8 people were hospitalized by chemical munitions and police beatings, including a journalist.
11/25/25
November 26, 2025 at 7:21 PM
Reposted by bse
kwh.bsky.social
Kīlauea is erupting! 🌋 Here’s a link to one of the three @USGS live cams - enjoy! www.youtube.com/live/tk0tfYD...
November 26, 2025 at 2:04 AM
Reposted by bse
xkcd.com
Geologic Core Sample

xkcd.com/3171/
Comic: Typical Geologic core sample. [Cylindrical core sample with labels for difference sections from top to bottom] Topsoil, till, granite bedrock, bottomsoil, roof of subway car, floor of subway car, more granite, municipal water main [gouge in core sample], slightly different granite, piece of screaming spelunker’s forearm, cool crystals with no resale value, mangled fragments of drillbit from previous attempt, some boring intrusive rock that’s basically granite but has a name like “diorite” or “Andalite” that you always have to look up, netherrack, Balrog wing. [break between next chunk of core sample] Granite, topsoil, cement, floorboards, carpet, possessions of a confused and angry homeowner in the other hemisphere.
November 25, 2025 at 10:35 PM
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vanhinsbergen.bsky.social
Spectacular - and scary - eruption in Ethiopia. This is a volcano in the famous Afar Triangle, where the Red Sea, Gulf of Aden, and the African Rift meet in a triple point, where the Arabian, African, and Somalian plates are pulled apart.

www.theguardian.com/world/2025/n...
Ethiopian volcano erupts for first time in 12,000 years
Ash clouds from Hayli Gubbi volcano sent drifting across the Red Sea toward Yemen and Oman
www.theguardian.com
November 24, 2025 at 8:51 PM
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stuartatkinson.bsky.social
Yesterday Curiosity took pix of jagged peaks in the distance with its ChemCam. I stitched them together, did some work on them, and... just look at that view... I've been doing this since Sojourner landed & this is one of my fave images ever... Credits: NASA/JPL-Caltech/LANL/S Atkinson
September 23, 2025 at 8:48 PM
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asrivkin.bsky.social
If you want to feel old, we are now further from the formation of the Kenorland Supercontinent than the formation of the Kenorland Supercontinent is from the formation of the Solar System.
November 25, 2025 at 5:35 AM
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conradhackett.bsky.social
UPDATE: Americans who use
YouTube 84%
Facebook 71%
Instagram 50%
TikTok 37%
WhatsApp 32%
Reddit 26%
Snapchat 25%
X (Twitter) 21%
Threads 8%
Bluesky 4%
Truth Social 3%

Full Pew Research Center report: https://www.pewresearch.org/internet/2025/11/20/americans-social-media-use-2025/
Chart showing change in the use of online platforms. Over the past few years, four of them have grown in overall use among U.S. adults – TikTok, Instagram, WhatsApp and Reddit. TikTok: 37% of U.S. adults report using the platform, which is slightly up from last year and up from 21% in 2021. Instagram: Half of U.S. adults now report using it, which is on par with last year but up from 40% in 2021. WhatsApp and Reddit: About a third say they use WhatsApp, up from 23% in 2021. And 26% today report using Reddit, compared with 18% four years ago. While YouTube and Facebook continue to sit at the top, the shares of Americans who report using them have remained relatively stable in recent years.
November 23, 2025 at 9:55 PM
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judithgeology.bsky.social
A M5.5 earthquake killed at least ten people in Bangladesh today. What made this moderate event so deadly? And what do we know about seismic hazards in the country?

⚒️ 🧪

earthquakeinsights.substack.com/p/bangladesh...
Bangladesh shaken by deadly M5.5 earthquake
A moderate magnitude earthquake near a dense, vulnerable megacity
earthquakeinsights.substack.com
November 22, 2025 at 3:06 AM
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sophiecarr.bsky.social
Waves coming off the basalt columns at Reynisfjara black sand beach. It's amazing that the camera technology is so good now that this was handheld at 1/8th second - the columns are sharp but I was able to capture the movement of the water too.

#CanonR6II #Iceland #Geology
A large cliff of different-sized black basalt columns with some water trailing off the lower ones at the bottom and a bit off the top right ones. The water is quite smooth as the exposure length was slowed down.
November 23, 2025 at 10:04 AM
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theresjustnopo1.bsky.social
Started a new book. I've been fascinated with geology since the intro class I took my freshman year at Smith. This book puts me right back there again, curious to learn more with each page. It's SO good!

Turning to Stone: Discovering the Subtle Wisdom of Rocks by Marcia Bjornerud.
White bookcover with multiple colored "stones" on it, the text reads: Turning to Stone: Discovering The Subtle Wisdom of Rocks by Marcia Bjornerud. The book is award winning, holding the John Burroughs Medal for Natural History Writing. It's easy to see why, with writing this clear and fascinating.
September 15, 2025 at 1:41 AM
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allisonkendall.bsky.social
A geology book I recommend frequently is Timefulness by
Marcia Bjornerud. Nonfiction, looks at our relationship to time and how we understand it in geological terms. The author advocates for improving our understanding of geologic time as part of confronting our role in climate change.
November 17, 2025 at 3:24 PM
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smmnh.bsky.social
While hunting for fossils, the unexpected is sometimes discovered. These finds can range from pottery shards to this fulgurite, or "fossil lightning," formed when lightning strikes the ground.
While hunting for fossils, the unexpected is sometimes discovered. These finds can range from pottery shards to this fulgurite, or "fossil lightning," formed when lightning strikes the ground.
November 22, 2025 at 7:59 PM