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@esconi.bsky.social Oct 8, 2026, 1:00 PM

Throwback Thursday #338: A Very Special Book #history #TBT #ThrowbackThursday #dinosaurs #fossils #FieldMuseum #SternbergMuseum

Recently, Matt Brown, McCarter Collections Manager, Fossil Vertebrates at the Field Museum, showed me a…

https://esconi.org/2026/10/throwback-thursday-338-a-special-book/

@esconi.bsky.social Oct 6, 2026, 1:00 PM

ESCONI October 2026 General Meeting, Friday,… #fossils #paleontology #FieldMuseum #DominicanRepublic #mammals

https://esconi.org/2026/10/esconi-october-2026-general-meeting-friday-october-9th-2026-at-800-pm-via-zoom-lazaro-vinola-from-the-field-museum-presenting-live-from-the-dominican-republic/

@esconi.bsky.social Sep 28, 2026, 1:00 PM

Mazon Monday #342: Jeanerpeton mazonensis – A new Mazon Creek tetrapod! #fossils #paleontology #MazonCreek #MazonMonday #verebrate #pit11 #Carboniferous #Pennsylvanian #FieldMuseum

The Mazon Creek fossil biota has a new member...…

https://esconi.org/2026/09/mazon-monday-342-jeanerpeton-mazonensis/

@donporque.bsky.social Sep 25, 2026, 8:13 AM

¿Cómo identificaron Jeanerpeton mazonensis, la nueva especie fósil? #Jeanerpeton #JeanerpetonMazonensis #Paleontologia #Ciencia #Fosiles #NuevaEspecie #Carbonifero #MazonCreek #FieldMuseum #Anfibios #DescubrimientoCientifico #HistoriaNatural #felizviernes #25deseptiembre

@esconi.bsky.social Sep 22, 2026, 1:00 PM

PBS Eons at the Field Museum! #PBSEons #dinosaurs #mammals #fossils #paleontology #FieldMuseum

View this post on Instagram A post shared by Eons (@eonsshow) PBS Eons posted this video…...

https://esconi.org/2026/09/pbs-eons-at-the-field-museum/

@germ-t-ripper.bsky.social Sep 21, 2026, 11:38 AM

19SEP26 It's never a bad time to visit SUE.

#familytime #fieldmuseum #chicago

@causticautistic.bsky.social Sep 20, 2026, 6:50 PM

Was going through some old pix and ran across these. I'm a sucker for old museum displays.

#chicago #FieldMuseum #field #museum #displays #geology #minerals #helicites #coquina #marble #geode #crystals #monochrome #blackandwhite #bwphotography #bwphoto #bnw #b&w #photography #photosky

"HELICTITES WYANDOTTE CAVE WYANDOTTE, INDIANA
HELICTITES
THESE ARE SMALL DEPOSITS OCCURRING ON CAVE WALLS ND CEILINGS NLIKE THE STALACTITES AND STALAGMITES. WHICH ARE STRAGHT, HELICTITES BEND IRREGULARLY AND ASSUME THEIR CROOKED FORM AS A RESULT OF THE CHANCE ORIENTATION OF THE CRYSTALS AT THE GROWING END OF THE TUBE."

And there's a chunk of helicites that look like a Renaissance painting of one the circles of hell, a seething mass of body parts.

Coquina
St Augustine, Florida

Coquina (/koʊˈkiːnə/) is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically sorted fragments of mollusks, trilobites, brachiopods, or other invertebrates. The term coquina comes from the Spanish word for "cockle" and "shellfish".

NORMAL FAULT IN MARBLE
THIS BLACK MARBLE WAS ORIGINALLY CROSSED BY A THIN VEIN OF WHITE CALCITE. IT BROKE NEAR THE CENTER AND THE PART AT THE RIGHT SLIPPED DOWN ONE INCH AS IS SHOWN BY THE DISPLACEMENT OF THE SMALL WHITE VEIN. THE FAULT FISSURE WAS LATER FILLED BY A VEIN OF WHITE CALCITE.

And there's a tall rectangular piece of black marble as described.

Geode
Lined with quartz and calcite crystals
Keokuk, Iowa

And there's a geode that's been cut open to reveal.... quartz and calcite crystals.

@ccsa-cuboulder.bsky.social Sep 16, 2026, 1:03 PM

#Archaeology #Mesoamerica #EastAsia #AncientCities #FieldMuseum #SettlementPatterns #ObsidianSourcing #MuseumExhibits #Anthropology #GlobalArchaeology

@esconi.bsky.social Sep 10, 2026, 1:00 PM

Throwback Thursday #334: Gorgeous George in 1976 #fossils #paleontology #FieldMuseum #dinosaurs #GorgeousGeorge #Daspletosaurus

This is "Gorgeous George", when he was on display in the main gallery in 1976. He and the…

https://esconi.org/2026/09/throwback-thursday-334-gorgeous-george-in-1976/

@esconi.bsky.social Sep 9, 2026, 1:00 PM

ESCONI September 2026 General Meeting, Friday,… #fossils #paleontology #FieldMuseum #Devonian #tiktaalik #colorado

https://esconi.org/2026/09/esconi-september-2026-general-meeting-friday-september-11th-2026-at-800-pm-via-zoom-searching-for-colorados-tiktaalik-on-the-west-coast-of-laurentia/

@truinfernopogo.bsky.social Sep 7, 2026, 8:15 PM

My new #PokemonGo video is OUT NOW! In this video, I start my #PokemonGoFestMaxFinale....at the #FieldMuseum! Did I get any shinies of any kind? Plus, I talk about the #HarvestFestival & the Taken Over version of the event. Check it out!!! www.youtube.com/watch?v=eR39...

@chulinjfc68.bsky.social Sep 7, 2026, 12:52 AM

Fossil pokemon are cool
#pokemon #fieldmuseum #aerodactyl #pikachu #aurorus