ESCONI Gem, Mineral, and Fossil Show

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  • ESCONI April 2026 General Meeting via Zoom – “Life in the Devonian Period, The Age of Fishes”
    The April 2026 General Meeting will be held on April 10th, 2026 at 8:00 via Zoom. At the meeting, Jessica Hull will present “Life in the Devonian Period, The Age of Fishes.” The Devonian Period was a crucial moment in the history of life. In this presentation, Jessica Hull will bring fossils to life by describing how they would have lived based on the most up to date research. Dunkleosteus fans won’t want to miss this!

esconi.info@gmail.com

Field trips require membership, but visitors are welcome at all meetings!

Friday, April 10thGeneral Meeting – 8:00 PM via Zoom.

Jessica Hull will present “Life in the Devonian Period, The Age of Fishes.”
Saturday, April 11thJunior Study Group Meeting – 2:00 PM, in person at the College of DuPage Technical Education Center (TEC) Building – Room 1038A (Map).

Katherine Howard will present on Sand and Sediment Collecting.

Specifics of this meeting are available from Scott Galloway, 630-670-2591,  gallowayscottf@gmail.com.
Saturday, April 18thPaleontology Study Group – 7:30 PM via Zoom and in person at the College of DuPage, TEC, Room 1038B (Map).

Keith Robitschek will present “Digging the Marl of the Lance Formation.”
Friday, April 24thMAPS Expo XLVII – Springfield, IL.
Saturday, April 25thMAPS Expo XLVII – Springfield, IL.
Sunday, April 26thMAPS Expo XLVII – Springfield, IL.
No meeting this monthMineralogy Study Group
  • What Is Your Favorite Museum Exhibit?

    What is your favorite museum exhibit?  Send a photo and description of your favorite exhibit to esconiclub@yahoo.com and I’ll post as they come in.  This post was inspired by a similar post over at BoingBoing – they have some interesting museum exhibits that they have posted.   

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  • Events in February

    Events in February

      Sat. 2/18 Rock and Mineral Identification at Lizzadro Museum. Sat. 2/18 Paleonotology Study Group Meeting, 7:30 p.m. College of Dupage, Building K, Rm 161. Presentation by Mike Payne, ESCONI member, on Geology and Overview of the Nioabrara Chalk.     Fri. 2/24 Board Meeting. 7:30 p.m. College of Dupage, Building K, Rm 161.  Sat. 2/25 Archaeology Study Group Meeting. 7:30 p.m. College of Dupage, Building K, Rm 161. Cahokia Mounds group discussion.

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  • Oldest Dinosaurs Found: Evidence of Organized Nesting

    Oldest Dinosaurs Found: Evidence of Organized Nesting

    Image: Nobu Tamura, www.palaeocritti.com Article except via The Guardian: (click link to see beautiful photograph of fossils) Oldest dinosaur nests discovered in South Africa Massospondylus nesting site – with fossilised eggs and tiny footprints – is 100m years older than any previously discovered –  A dinosaur nesting site older than any discovered before suggests that the creatures were caring mothers early in their evolution. Scientists uncovered clutches of fossilised eggs at the site in the Golden Gate Highlands national park, South Africa, many containing embryos. They also found footprints of hatchlings showing that young dinosaurs stayed in the nest long enough to…

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  • Analyzing Striated Tooth Marks

    Via BioOne: Using striated tooth marks on bone to predict body size in theropod dinosaurs: a model based on feeding observations of Varanus komodoensis, the Komodo monitor…. …. The purpose of this study is to test whether ziphodont theropod consumer characteristics can be accurately identified from striated tooth marks on fossil surfaces….  

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  • Harold Hamm: Profile of a Nebraska Wildcatter

    Via Bloomberg Businessweek:  How wildcatter Harold Hamm became the biggest winner in the biggest American oil find since Prudhoe Bay….  During the day he hauled water and mucked crud out of oil tanks. Early mornings and late evenings, he sat with seasoned oil-and-gas men and learned to read well logs showing where crude might lurk. Logs of old wells indicated that mud was caked inside the bores, a sign of rock containing moisture and, possibly, oil. Hamm drilled his first well in the early 1970s; his second was a gusher. The money allowed him to take college classes in geology,…

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  • Found: More of Darwin’s Fossils

    Via Christian Science Monitor: British scientists have found scores of fossils the great evolutionary theorist Charles Darwin and his peers collected but that had been lost for more than 150 years.

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  • Complicated Lives of Neanderthals

    Via Science Fair: … a second study reconstructing Neanderthal noggins suggests that they had brains that developed during infancy much differently than ours. Neanderthals (or Neandertals for many scientists), a stocky human species with a distinctly robust skeleton compared to modern humans, lived throughout Europe and the Near East before disappearing from the archeological record around 30,000 years ago. In the current Oxford Journal of Archeology, a report by Brian Hayden of Canada’s Simon Fraser University, looks at how Neanderthals used caves, transported stone tools and the kinds of items they left behind to try and suss out their lives.…

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  • Siphusauctum gregarium

    Via Science Daily: A bizarre creature that lived in the ocean more than 500-million years ago has emerged from the famous Middle Cambrian Burgess Shale in the Canadian Rockies. Officially named Siphusauctum gregarium, fossils reveal a tulip-shaped creature that is about the length of a dinner knife (approximately 20 centimetres) and has a unique filter feeding system.

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  • Field Trip Gear

    This new item might be really helpful for those field trips in which we have to wear hard hats! Via Cool Tools – Hat Grabber. Enjoyed the video:

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  • National Fossil Day Art Contest Results

    Here are the winners of the National Fossil Day art contest for 2011. 

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  • New Thing on Internet

    Have you heard about Pinterest? It is an online pinboard. I just learned about its existence. Rather than explain it here is an example of how it would work for a person interested in minerals and lapidary. 

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  • Understanding Diplodocus

    From a blog Green Tea and Velociraptors and interesting comments too… ….Diplodocus  has always held a significant position in the hearts of dinosaur palaeontologists, as it was one of the very first genera to ever be formally recognised and described. Following, are some images and attempted reconstructions from Hutchinson (1917), and by comparison some excellent recent research by Taylor et al. (2009) on posture in Diplodocus carnegiei (or carnegii). I just figured it would be cool to show how mechanical interpretations and life reconstructions had changed over the years, since from dinosaurs were first mounted to now where more complex biomechanical…

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  • Illinois CO2 Storage

    Via Platts: The FutureGen Alliance says it has successfully completed drilling the “characterization well” at the FutureGen 2.0 carbon dioxide storage site in Morgan County, Illinois. According to a statement released by the government-backed carbon capture and sequestration (CCS) group, preliminary data indicates the geology of the Mt. Simon formation near Jacksonville, Illinois, “is suitable for CO2 storage.” The Alliance said the drilling team reached the depth of 4,812 feet below the surface and geologists recorded a 460-foot thick Eau Claire formation that will form the caprock overlaying a 500-foot thick portion of the Mt. Simon sandstone that forms the…

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  • Humor: Dinosaur Office

    Via College Humor: A mildly funny clay animation of a office of dinosaurs.

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  • Iowa Archaeology Project

    Via Eastern Iowa Government: “We found some neat stuff, both historic and prehistoric,” is how Benn, 63, research coordinator and principal investigator for Bear Creek Archeology of Cresco, Iowa, puts it. Benn and his Bear Creek team are working under a $295,000 contract with the Army Corps of Engineers to survey, dig and test and then recover and preserve artifacts from an area that the Corps will disturb as it builds a new system of levees and flood walls to protect the city from a repeat of the city’s 2008 flood. The archeological work is taking place on just the…

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  • 2011 Events in Archaeology, Paleontology and Paleoanthropology

    MSNBC provides a nice summary of a big year in its article, “Top Ancient Mysteries of 2011“.

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  • Paleontology: A Dirty Job

    Via geology.com from Discover:  Four different video previews… Dirty Jobs: The Dino-Dig Workout. Mike asks, “Do you have what it takes?”  The episode, Fossil Hunter, is scheduled to appear on January 14th, 8:00 pm, January 15th, 1:00 am, January 21st at 10:00 am  on the Discovery Channel’s show Dirty Jobs. Check your local listing.    

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  • Rock Tumblers

    Geology.com reminds us about the fun of rock tumblers: Rock tumblers have been manufactured and sold to hobbyists since the 1950′s. The first machines tumbled rocks in metal cans. Since then rubber barrels have significantly reduce the noise, however rotary machines still require at least one month to convert rough rock into brightly polished stones. However, newer vibratory tumblers can process rock in a little over a week.

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  • Google Doodle Honors Geologist Today

    Via the Times of India: … search giant Google posted the year’s first Doodle, marking the 374th birth anniversary of the world famous Danish geologist Nicolas Steno, also known as the father of Geology. Steno is also known for his valuable contribution in the field of anatomy. Today’s Doodle, which spells out the name of the search engine, appears in the form of earth strata with fossils in various bottom layers and a green crust. On clicking the Doodle, users land on the search results page for Nicolas Steno. Born in Copenhagen to a goldsmith family, Steno left the place…

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  • Age of Colorado River

    Via geology.com from Arizona Geology Magazine: Arizona’s Grand Canyon reveals an enormous sequence of rocks that represent more than a third of the 4.5-billion-year age of the Earth. The canyon itself, however, is quite young in comparison, with most or all canyon incision occurring over the past 5 million years according to most interpretations. Careful investigative work has refined this age determination, as reported in this brief article….

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