Like a claw fossil or something.

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SUMMARY

The discussion centers around a rock found in Park Forest, Illinois, believed by the original poster to be a fossil, possibly a claw. Participants suggest it may actually be a polished stone, possibly quartz or marble, rather than a fossil. The weight of approximately 3 pounds and the smooth texture due to water erosion are noted, with some suggesting it could be a bone fragment or a hammerstone. Overall, the consensus is that it does not resemble any known fossils and may simply be a naturally smoothed rock.

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  • Familiarity with fossil identification techniques
  • Knowledge of sedimentary rock formation
  • Awareness of the geological history of Illinois
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  • Research fossil identification methods and resources
  • Learn about the geological history of the Illinois region
  • Explore the characteristics of quartz and marble
  • Investigate local museums, such as the Field Museum, for fossil identification services
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Amateur geologists, fossil enthusiasts, and anyone interested in identifying natural rock formations or fossils in the Illinois area.

garyankrom
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Ok, I was wondering if anyone new what this was. My husband, found it a long time ago by his parents house when he was a kid. He always believed it to be some kind of fossil. Like a claw or something.
 

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It looks like a cobble. Flat and smooth due to running water. Do you know the lithology?
 


i found it in a swamp about 19 20 years ago.
Park Forest, Illinois used to be nothing but swamp land.
its not cobble though.
also it weighs around 3 pounds
 


garyankrom said:
i found it in a swamp about 19 20 years ago.
Park Forest, Illinois used to be nothing but swamp land.
its not cobble though.
also it weighs around 3 pounds
The 3rd picture doesn't look like the first 2, are these two different rocks?
 


Evo said:
The 3rd picture doesn't look like the first 2, are these two different rocks?
Prehistoric Pet Rock?
 


Or possibly some kind of hammerstone used by someone. IMO, it doesn't look like any kind of fossil I've ever seen.
 


Evo said:
The 3rd picture doesn't look like the first 2, are these two different rocks?
I believe on the third photo, we are seeing it on edge. To me, it does not resemble a claw. Even in a fossil state claws still look very much like claws.
Most of IL. was a shallow Cyprus swamp, and did have Mastodon and other animals. It could be a bone fragment. In the first photo, the dark area on the bottom left, may be the spongy area inside a bone. A extreme close up of that area would be more telling.
 
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It's a precambrian fossilized potato, judging from the first two pictures.

Pic #3 - who knows?
 


all the pictures are of the same rock, potato LOL!

can i take it to the field museum, does anybody think they would be able to tell me?
 
  • #10


Having someone identify it in person will be much easier than over the net. I can't see anything in the pictures that screams 'interesting fossil' though
 
  • #11


The surface of Illinois is basically ground up soil from the ice age.
Not a good place to find many fossils. A smooth rock found near the surface was probably polished by water over many years.

If this were encased within a sedimentary rock or strata, then it might be something, but it looks like a piece of quartz or marble.
 

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