![The Mazon Creek Lagerstätte: a diverse late Paleozoic ecosystem entombed within siderite concretions | Journal of the Geological Society The Mazon Creek Lagerstätte: a diverse late Paleozoic ecosystem entombed within siderite concretions | Journal of the Geological Society](https://www.lyellcollection.org/cms/10.1144/jgs2018-088/asset/28f582dd-a248-4050-ac87-0af5516e8f67/assets/images/large/jgs2018-088.03.jpg)
The Mazon Creek Lagerstätte: a diverse late Paleozoic ecosystem entombed within siderite concretions | Journal of the Geological Society
![Took my family fossil hunting. Came home with these! Can't wait to see what's inside! Mazon Creek Concretions, Braidwood, IL : r/FossilHunting Took my family fossil hunting. Came home with these! Can't wait to see what's inside! Mazon Creek Concretions, Braidwood, IL : r/FossilHunting](https://external-preview.redd.it/p-biA-9_t1wXnPAuOQAj4ynRd7DeWH17t6HIfTEnAJs.jpg?auto=webp&s=c63a46a560f3cd20c91d7cd5ffa00ac15c921073)
Took my family fossil hunting. Came home with these! Can't wait to see what's inside! Mazon Creek Concretions, Braidwood, IL : r/FossilHunting
![Why the Cold is Good for Mazon Fossils: Freeze-Thaw Weathering - The Lizzadro Museum of Lapidary Art Why the Cold is Good for Mazon Fossils: Freeze-Thaw Weathering - The Lizzadro Museum of Lapidary Art](https://lizzadromuseum.org/wp-content/uploads/Mazon-Fossils.jpg)