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Hi found this fossil in sand and gravel we were digging up for farm tracks at a depth of 3 to 4 m in North Shropshire. It is a mudstone material. Just wondered if anyone new what it was Click image for larger version - Name: IMG_20200605_104629.jpg, Views: 41, Size: 131.54 KB Click image for larger version - Name: IMG_20200605_104516.jpg, Views: 41, Size: 176.48 KB
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Dirty Pete
Looks like a septarian nodule. Something to do with differential shrinkage within a concretion creating cracks which are subsequently filled with other material or so the theory goes. Sadly not dinosaur skin.....

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Hi Pete, I don't think this is Septarian nodule as I don't see any evidence of mineral veining within it - just surface cracking of the mudrock.
Colin Huller
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Dirty Pete
You're probably right Colin, but there's an easy way to find out that involves a hammer......Do the cracks extend into the interior?

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