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I have identified the rock as Limestone from the CSX Wauhatchie Yard in Chattanooga, Tennessee. There appears to be some sort of pattern or striations on the outside of the rock. My rock community has deemed it as a fossil of some sort!

I found this in Southeastern Oklahoma. I found it at a lake. It was showing due to the water levels being down. I've contacted someone down in Keene, TX about it and they said there is a possibility one or both are acrocanthosaurus tracks or trace tracks. They have found tracks up in Atoka County. Which is 45 minutes away. There are tracks, also,also, a museum in Idabel, OK. Then, if you head south, there's dinosaur valley state park. Where you can view tracks in the river. I explained, to the person who specializes in this stuff, I moved it, but took documentation of where I found it. So the water could no longer erode it. There is a museum close. It is about to start their Dino Days again. I really want to go get it checked out. I've cleaned the piece up since I brought it home last year. But I'm afraid I will do damage. I want to clean it, but not destroy it. We have some ammonites we have been cleaning. Those seem a lot easier than what is going on with the possible track. The light colored rock, is another possible track found near the other one. Facing a different direction. This one I could not move. Is this my mind just playing tricks? Or did I possible find something? Either way, it has been a fun experience and practice, for me.

Found in Kentucky along AA Highway, Ordovician, Kope formation. I took it because it looked like a weird eyeball thing. I didn't think it was a fossil, just a weird rock, until I cleaned it off and found a bunch of trilobite bits on it. So that had me wondering if it was a trace fossil or if there might be something inside if I chipped away at the shape. Honestly I'm kinda itching to see if there is anything inside it. As it sorta, to my untrained eye, looks like something fell into the water about an eon ago and got covered up. However I don't want to take the Dremel to it if it is more or less just a trace without chance of anything being locked away in there. So I'm just trying to get the thoughts on it from other people way more knowledgeable than me about the matter. Thanks in advance.

I don't think I've posted this here before. Any ideas? It's from the Moenkopi Formation near Temple Mountain, San Rafael Reef. Probably Moody Canyon Member, but it's detrital so I can't be 100% sure. Would be Early Triassic. Looks a lot to me like tire tracks, but the geologic age is wrong for that.

I collected this at Marjum Pass in the House Range. The beds are likely Wheeler Shale but almost certainly middle Cambrian. Trace fossil or scour mark? The ruler is marked in centimeters, so an individual grove is about a centimeter long.

Hey Folks. Heres another I’m wondering about. It looks like an example of diplocraterion, but I’m not certain. Thanks for the look.