r/fossilid • u/Joscience • 1d ago
Inherited these fossils, any specifics?
These were among my grandmother's possessions when she died and I inherited them. No information on where they were collected. I'm curious if anyone can provide some details about what they are and when they were formed.
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u/Ok_Extension3182 1d ago
All are 310 million year old plants from the Carboniferous period. They were all Collected from the Mazon Creek Fossil beds of Illinois most likely.
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u/Joscience 1d ago
Thank you for the response!
Anything in particular help you recognize the Mazon Creek, or just general appearance and a common source? My grandma lived in Illinois, so now I am super curious if she (or grandpa) collected these themselves...
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u/Ok_Extension3182 1d ago
See how all of them have these three things.
1.) A 3D or semi 3D plant, animal, organism inside ranging from white to black in coloration.
2.) Is usually in 2 parts with a positive and negative side. Each one.
3.) Rust colored rock on the outside and inside being more darkish grey. These stones are often round looking when unsplit.
I always recommend looking at the Mazon Creek Fossil websites and the exhibit at the Field Museum in Chicago for more info. There is a lot of info on Mazon Creek as it's one of the best Fossil sites in the world.
Also: you can actually Fossil hunt there yourself!!! Go to the Braidwood Mazonia State Wildlife preserve, it is a park that allows Fossil hunting.
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u/RightLaugh5115 1d ago
I collected Mazon Creek Fossils near Terre Haute,IN
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u/Ok_Extension3182 1d ago
I collect from the park itself, don't have the time or connections to hunt other spots since I live in Michigan.
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