Category: Calendar of Events
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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #7: Paleoctopus newbolti from Lebanon
This is the preview post #7 for the 2026 ESCONI Gem, Mineral, and Fossil Show Live Auction. The ESCONI Gem, Mineral, and Fossil Show for 2026 will be held on March 21th and 22nd at the DuPage Fairgrounds in Wheaton, IL, which is the same location as last year. All details can be found here. We…
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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #6: Higginsite from Bisbee, Arizona
This is the preview post #6 for the 2026 ESCONI Gem, Mineral, and Fossil Show Live Auction. The ESCONI Gem, Mineral, and Fossil Show for 2026 will be held on March 21th and 22nd at the DuPage Fairgrounds in Wheaton, IL, which is the same location as last year. All details can be found here. We…
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ESCONI at the Ranch View STEAM Event in Naperville
For the second year, ESCONI was asked to participate in the Ranch View Elementary STEAM event in Naperville. Represnting the club were Jodi Gosain, Rusty Grenier, and Jim Bigler. The club had three tables of fossils, rocks, geodes, magnetic stones and our popular dig box. Over 300 parents and children attended our booth. In addition,…
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ESCONI January 2026 Paleontology Meeting – February 21st, 2026 at 7:30 PM – “Death to Discovery: Taphonomy of the Fossil Lake Lagerstatten”
Arvid Aase , Head Curator at Fossil Butte National Monument in Wyoming, will present “Death to Discovery: Taphonomy of the Fossil Lake Lagerstatten (Green River Group).” Lakes are divided into three types: overfilled, balance-filled, and under-filled. The characteristics of a balance filled lake create the greatest opportunity for conditions conducive to fossil preservation. Fossil Lake…
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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #5: Large Archimedes sp. from Alabama
This is the preview post #5 for the 2026 ESCONI Gem, Mineral, and Fossil Show Live Auction. The ESCONI Gem, Mineral, and Fossil Show for 2026 will be held on March 21th and 22nd at the DuPage Fairgrounds in Wheaton, IL, which is the same location as last year. All details can be found here. Today’s…
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Des Plaines Valley Geological Society’s 61st Annual Jewelry, Mineral, Gem & Fossil Show, March 28-29, 2026
Des Plaines Valley Geological Society’s 61st Annual Jewelry, Mineral, Gem & Fossil Show, March 28-29, 2026. Des Plaines Park District Leisure Center, 2222 Birch St., Des Plaines, IL. Sat. 9-5, Sun. 10-4. Adults $3, seniors $2, students over 12 or with school ID $1, children under 12 free when accompanied by an adult. Dealers, demonstrators,…
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ESCONI February 2026 General Meeting – February 13th, 2026 at 8:00 PM – “Diggin’ Illinois: A hands-on introduction to the fascinating archaeological record of Illinois.”
Dale Simpson of the University of Illinois’ Prairie Research Institute will present “Diggin’ Illinois: A hands-on introduction to the fascinating archaeological record of Illinois.” The meeting will be held on February 13th, 2026 at 8:00 PM via Zoom. Illinois has a rich and varied archaeological record that spans some 13,000 years. In this hybrid presentation,…
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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #4: Halite
This is the preview post #4 for the 2026 ESCONI Gem, Mineral, and Fossil Show Live Auction. The ESCONI Gem, Mineral, and Fossil Show for 2026 will be held on March 21th and 22nd at the DuPage Fairgrounds in Wheaton, IL, which is the same location as last year. All details can be found here. Today’s…
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ESCONI Events for February 2026
Field trips require membership, but visitors are welcome at all meetings! Friday, February 13th General Meeting – 8:00 PM via Zoom Dale Simpson will present “Diggin’ Illinois: A hands-on introduction to the fascinating archaeological record of Illinois.” Saturday, February 14th Junior Study Group – 2:00 PM, Topic “Lighted Display Tracing Rock, Mineral and Fossil Specimens” by Finn Lutz,…
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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #3: Acanthotelson stimpsoni
This is the preview post #3 for the 2026 ESCONI Gem, Mineral, and Fossil Show Live Auction. The ESCONI Gem, Mineral, and Fossil Show for 2026 will be held on March 21th and 22nd at the DuPage Fairgrounds in Wheaton, IL, which is the same location as last year. All details can be found here. For…
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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #2: Fluorite, Galena, and Barite From Bingham, NM
This is the preview post #2 for the 2026 ESCONI Gem, Mineral, and Fossil Show Live Auction. The ESCONI Gem, Mineral, and Fossil Show for 2026 will be held on March 21th and 22nd at the DuPage Fairgrounds in Wheaton, IL, which is the same location as last year. All details can be found here. In…
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Chicago Rocks & Minerals Society’s Annual Silent Auction, Saturday, March 14, 2026
Chicago Rocks & Minerals Society’s Annual Silent Auction Saturday, March 14, 2026 6 to 9 p.m. St. Peter’s United Church of Christ 8013 Laramie Ave., Skokie, IL (Across the street from the public library on Oakton) Plus a special live auction of high-end specimens during the last half-hour! The first table closes at 6:30 p.m.…
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Video for ESCONI January 2026 Paleontology Meeting – “Getting Lost Can Lead to Treasure – Edrioasteroids”
Jack Kallmeyer President of the Dry Dredgers will present “Getting Lost Can Lead to Treasure – Edrioasteroids – What to Do When You Find Thousands”. The meeting was held on January 17th, 2026 at 7:30 PM. While growing my early collection in the Cincinnatian, one of the most desired fossils that I sought after was…
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Video for ESCONI January 2026 General Meeting – “Fossil Birds of Wyoming”
Jean-Pierre Cavigelli, of Casper College in Casper, WY, presented “Fossil Birds of Wyoming”. Wyoming’s fossil bird record spans much of the Late Cretaceous through the Cenozoic, though its completeness varies widely through time. The state’s oldest known bird fossils come from the late Cretaceous Mesa Verde Formation and Pierre Shale, dating to about 79 million…
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ESCONI January 2026 Paleontology Meeting – January 17th, 2026 at 7:30 PM – “Getting Lost Can Lead to Treasure – Edrioasteroids”
Jack Kallmeyer President of the Dry Dredgers will present “Getting Lost Can Lead to Treasure – Edrioasteroids – What to Do When You Find Thousands”. The meeting will be held on January 17th, 2026 at 7:30 PM. While growing my early collection in the Cincinnatian, one of the most desired fossils that I sought after…
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ESCONI January 2026 General Meeting – January 9th, 2026 at 8:00 PM – “Fossil Birds of Wyoming”
Jean-Pierre Cavigelli, of Casper College in Casper, WY, will present “Fossil Birds of Wyoming”. Wyoming is well known for its fossils of all kinds. Dinosaurs are probably the most famous. They were first discovered here in the late 1800’s and are still being uncovered and studied nowadays. Fossil fishes from the southwest corner of the…
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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #1: Tully Monsters
This is the preview post #1 for the 2026 ESCONI Gem, Mineral, and Fossil Show Live Auction. The ESCONI Gem, Mineral, and Fossil Show for 2026 will be held on March 21th and 22nd at the DuPage Fairgrounds in Wheaton, IL, which is the same location as last year. All details can be found here.…
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ESCONI Events for January 2026
Field trips require membership, but visitors are welcome at all meetings! Saturday, Jan 3rd Mineralogy Study Group – 7:30 PM via Zoom “Critical Minerals: What are they and Opportunities in Illinois” presented by Dr. Jared Freiburg of the Illinois State Geological Survey. Friday, Jan 9th General Meeting – 8:00 PM via Zoom Jean-Pierre Cavigelli, Tate Geological…
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Video for ESCONI December 2025 General Meeting – “Fossils of the Comanche National Grasslands located in southeastern Colorado”
The ESCONI December 2025 General Meeting was held on December 12th, 2025 at 8:00 PM via Zoom. The presenter was Steve Miller of the Western Interior Paleontological Society (WIPS). His topic is “Fossils of the Comanche National Grasslands located in southeastern Colorado”. Fossils of the Comanche National Grasslands located in southeastern Colorado The area offers…
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ESCONI December 2025 General Meeting – “Fossils of the Comanche National Grasslands located in southeastern Colorado”
The ESCONI December 2025 General Meeting will be held on December 12th, 2025 at 8:00 PM via Zoom. The presenter is Steve Miller of the Western Interior Paleontological Society (WIPS). His topic is “Fossils of the Comanche National Grasslands located in southeastern Colorado”. Fossils of the Comanche National Grasslands located in southeastern Colorado The area…
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Photos from the 2025 ESCONI Holiday Luncheon
The 2025 ESCONI Holiday Luncheon was held on December 6th, 2025 at Warren’s Ale House in Wheaton, IL. We had a nice turnout. President Chris Berg had a very nice speech to highlight where we are and where we are headed for 2026. It was a very special day as we awarded an honorary membership…
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ESCONI 2026 Gem, Mineral, and Fossil Show – March 21st and 22nd, 2026
The ESCONI 2026 Gem, Mineral, and Fossil Show will be held on March 21st and 22nd, 2026 at the DuPage County Fairgrounds.
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Video for ESCONI November 2025 Paleontology Study Group Meeting – “Gonioceras: A Most Unusual Cephalopod”
The November 2025 Paleontology Study Group Meeting was held on November 15th, 2025 via Zoom. John Catalani presented “Gonioceras: A Most Unusual Cephalopod”. The diversity of nautiloid shell shapes in the Upper Ordovician of central Laurentia is remarkable. However, one shape is often missing from lists of shell shapes and that is the so-called “flat-fish”…
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ESCONI Events for December 2025
Field trips require membership, but visitors are welcome at all meetings! Sat, Dec 6th Holiday Luncheon– 12:00 Noon at the Warren’s Ale House, 51 Town Square, Wheaton, IL Please RSVP to the following email: RSVPtoESCONI@outlook.com Fri, Dec 12th General Meeting – 8:00 PM – Zoom link Steve Miller, of the Western Interior Paleontological Society (WIPS), will…
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Video for ESCONI November 2025 General Meeting – “Mammals of Illinois’ Ice Ages”
The November 2025 General Meeting was held on Friday, November 14th, 2025 via Zoom. Melissa Pardi, Curator of Geology at the Illinois State Museum, presented “Mammals of Illinois’ Ice Ages”. Did you know that Illinois used to have elephants? During the last ice age, North America was home to a wide variety of large, now…
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Reminder: ESCONI 2025 Holiday Luncheon
ESCONI’s Holiday LuncheonSaturday, December 6, 2025 – 12:00 noonWarren’s Ale House, 51 Town Square, Wheaton. (Just north of Danada Square East)Website for Warren’s Ale House with Map & Menu:https://warrensalehouse.com/contact-us/RSVP: RSVPtoESCONI@outlook.com
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ESCONI November 2025 Paleontology Study Group Meeting – November 15th, 2025 at 7:30 PM via Zoom – “Gonioceras: A Most Unusual Cephalopod”
The November 2025 Paleontology Study Group Meeting will be held on November 15th, 2025 at 7:30 PM via Zoom. John Cataloni will be presenting “Gonioceras: A Most Unusual Cephalopod”. The diversity of nautiloid shell shapes in the Upper Ordovician of central Laurentia is remarkable. However, one shape is often missing from lists of shell shapes…
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ESCONI November 2025 General Meeting – November 14th, 2025 at 8:00 PM via Zoom – “Mammals of Illinois’ Ice Ages”
The November 2025 General Meeting will be held on Friday, November 14th, 2025 at 8:00 via Zoom. Melissa Pardi, Curator of Geology at the Illinois State Museum, will be presenting “Mammals of Illinois’ Ice Ages”. Did you know that Illinois used to have elephants? During the last ice age, North America was home to a…
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Save the Date: ESCONI 2025 Holiday Luncheon
ESCONI’s Holiday LuncheonSaturday, December 6, 2025 – 12:00 noonWarren’s Ale House, 51 Town Square, Wheaton. (Just north of Danada Square East)Website for Warren’s Ale House with Map & Menu:https://warrensalehouse.com/contact-us/RSVP: RSVPtoESCONI@outlook.com
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ESCONI November 2025 Mineral Study Group – November 1st, 2025 at 7:30 PM at the College of DuPage – “Fluorite”
The ESCONI Mineral Study Group will meet on Saturday, November 1st, 2025 at 7:30 PM in TEC 1038B at College of DuPage in Glen Ellyn. See Directions and Map below. The program will be on “Fluorite”. Southern Illinois was once a major producer of world-class fluorite specimens, primarily from Hardin County. While no commercial mining currently operates, you…
