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Narlgoth
Hey all, i have a few mystery items i've accumulated since getting into fossil hunting, please help me identify them or confirm them for rocks!

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Found at Reighton Sands, Yorkshire Coast. Local formations in this area are Kimmeridge Clay and Speeton Clay but these were in the loose rocks on beach so likely not from here and have been smoothed off by the sea so they aren't their original shapes. The two 'blobs' on the larger rock appear to be linked together (visible in middle photo).

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Port Mulgrave/Saltwick Bay, Yorkshire Coast. I'm aware that these are two different locations but we picked this up in our newbie stage before i started recording the location of where we found stuff.. We lovingly refer to this as 'The Walnut'. Other then its unusual tear drop shape it has absolutely no distinguishing features. Any ideas at all?

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Saltwick Bay, Yorkshire Coast, Whitby Mudstone Formation. Picked up off the beach debris so this may not be from here, but it looks like it could be a bone to me- it has what appears to be a smooth outer with a motled marrow-like inner. It could also just be a rock!

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 Saltwick Bay, Yorkshire Coast, Whitby Mudstone Formation. Another thing collected off the beach meaning it may be from elsewhere. Noduley texture, heavy and showing i rusty redish colour where chipped. Now we are home I think i know what it actually is- but i'll see what you guys say first!

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Saltwick Bay, Yorkshire Coast, Whitby Mudstone Formation. Another weird ball. This one appears to be have an outer iron/metal case with a stone core. It put me in mind of a musket shot. No discernable marks to identify it as a fossil. What is it?

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Saltwick/Port Mulgrave, Yorkshire Coast. This another pre-location recording find, so i don't have an exact location. Judging by the colour i would guess its Chalk from Bempton/Flamborough way but thats not where i found it. Can't tell if its a bone or just a stone in the Chalk!

Thanks for looking! Let me know if you want more pictures of anything. Please let me know what you think these are!
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Gary W
Must admit none look like fossils to me, just nodules and concretions.
Gary
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Narlgoth
Gary W wrote:
Must admit none look like fossils to me, just nodules and concretions.


Thanks for taking a look anyway, lets see if anyone else chimes in to agree or disagree. Based on some research into nodules and concretions i think you might be right about some, still hoping #3 is something though! Learning what ISN'T a fossil seems more important then learning what IS when on the hunt!
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Dirty Pete
All I'd add is that 1 looks like fossil wood in limestone, 3 maybe wood in ironstone, 4 oxidising pyrite nodule.

Pete
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Narlgoth
Dirty Pete wrote:
All I'd add is that 1 looks like fossil wood in limestone, 3 maybe wood in ironstone, 4 oxidising pyrite nodule.

Pete


Hmm, i guessed #4 was a nodule of Ironstone. There is a substantial bed of Ironstone nodules in Scarborough not too far south of where i found it. I did find some nodules of Pyrite on the same visit, but they were smooth and shiny gold, very different to this particular piece. Found a nice fragment of pyritized Ammonite shell with some visible Septa, shame it was only a fragment!
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Narlgoth
#3 smears a light Brown making me think it may be Jet. The brown section around the outside also resembles wood grain in some areas, and is both quite light and warm to the touch further suggesting its Jet. I hadn't even seen a piece of Jet when i originally posted so didn't have a reference.
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