
ESCONI
4.4K posts

ESCONI
@ESCONI
The purpose of ESCONI: The aim of the Earth Science Club of Northern Illinois is to promote an interest in the earth sciences. A club since 1949.
Glen Ellyn, Illinois شامل ہوئے Eylül 2009
135 فالونگ241 فالوورز


2026 ESCONI Gem, Mineral, and Fossil Show – Preview #9: Yellow Fluorite from the Minerva Mine #minerals #fluorite #ESCONIShow
esconi.org/2026/03/2026-e…

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Mazon Monday #311: Strip mining begins in Braidwood on May 23, 1928 #fossils #paleontology #MazonMonday #MazonCreek #history #coalmining #coal #braidwood
esconi.org/2026/03/mazon-…

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Fossil Friday #306: Cyclus obesus #fossils #paleontology #MazonCreek #FossilFriday #pit11
esconi.org/2026/02/fossil…

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Throwback Thursday #306: This is Life… #history #TBT #ThrowbackThursday #science #evolution #nature
esconi.org/2026/02/throwb…

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Mazon Monday #310: Cyclus obesus #fossils #paleontology #MazonCreek #MazonMonday #pennsylvanian #carboniferous
esconi.org/2026/02/mazon-…


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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #6: Higginsite from Bisbee, Arizona #ESCONIShow #minerals #higginsite #Arizona
esconi.org/2026/02/2026-e…

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Throwback Thursday #305: The Sinclair Dinosaurs at the New York World’s Fair in 1964-1965 #dinosaurs #history #TBT #ThrowbackThursday #Chicagoland #SinclairOil
esconi.org/2026/02/throwb…


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Fossil Friday #305: A Beautiful Receptaculites/Fisherites! #fossils #paleontology #illinois #algae
esconi.org/2026/02/fossil…

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Mazon Monday #309: Herbivory is Older Than We Thought! #fossils #paleontology #MazonMonday #MazonCreek #carboniferous #SydneyMines #Canada #NovaScotia #carboniferous #tetrapods #evolution
esconi.org/2026/02/mazon-…


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Fossil Friday #304: A Heartwarming Tully Reunion #fossils #paleontology #MazonCreek #FossilFriday #TullyMonster #Carboniferous #Pennsylvanian
esconi.org/2026/02/fossil…


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Mazon Monday #308: Acitheca polymorpha #fossils #paleontology #MazonCreek #MazonMonday #fern #pennsylvanian #carboniferous
esconi.org/2026/02/mazon-…

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Fossil Friday #303: Mounted Pecopteris notata #fossils #paleontology #FossilFriday #MazonCreek #fern #paleobotany #carboniferous #pennsylvanian
esconi.org/2026/02/fossil…

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Mazon Monday #306: Drevotella proteana #fossils #paleontology #MazonCreek #MazonMonday #pit11 #hydrozoan #pennsylvanian #carboniferous
esconi.org/2026/01/mazon-…


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Fossil Friday #300: Orthotarbus robustus from the River #fossils #paleontology #FossilFriday #spider #MazonCreek
esconi.org/2026/01/fossil…



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Mazon Monday #303: Smithixerxes juliarum #fossils #paleontology #MazonMonday #MazonCreek #pennsylvanian #carboniferous
esconi.org/2026/01/mazon-…


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Fossil Friday #298: Seed Fern Fiddlehead – Spiropteris #fossils #paleontology #FossilFriday #MazonCreek #carboniferous #seedfern #fiddlehead #pennsylvanian
esconi.org/2026/01/fossil…



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Mazon Monday #301: Cordaianthus ovatus #fossils #paleontology #MazonCreek #MazonMonday #carboniferous #pennsylvanian #paleonbotany
esconi.org/2025/12/mazon-…

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Fossil Friday #296: Roachoid Wing from the Creek #MazonCreek #fossils #paleontology #FossilFriday #insects #Carboniferous #Pennsylvanian
esconi.org/2025/12/fossil…



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