Tag: ISGS
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All Dinosaurs Considered: Looking Back at Prehistoric Illinois
NPR’s All Things Considered The 21st Show has a look back at prehistoric Illinois. They interview Paleontologists Joe Devera, Senior Paleontologist at the Illinois State Geological Survey and Jingmai O’Connor, Vertebrate Paleontologist and associate curator of Fossil Reptiles at the Field Museum in Chicago about what might Illinois looked like during the time of the…
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Trilobite Tuesday #1: The Trilobite: An Early Inhabitant of Illinois
The Illinois State Geologic Survey (ISGS) has a page on the trilobites of Illinois. It has good information about time periods and has a few pictures of the species that can be found here in Illinois. There’s even a paragraph on it’s body structure. Trilobites are so named because the segments on their upper (dorsal)…
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May General Meeting is on Friday, May 11th, 2018 – Jared Freiburg from ISGS
The speaker at our May 11th meeting will be Jared Freiburg, a geologist with the Illinois State Geological Survey. Several years ago he was involved in extracting exceptional calcite crystals, some with inclusions of marcasite or pyrite, from the Conco mine in North Aurora. The title of his program is “Mississippi Valley-type Mineralization at the…