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Pat Hicks
We found this rock in our garden stream and, when we split it, we discovered the images shown.  Could you please tell me if these are fossils ? 27061AA1-DAE3-4A6A-A893-15E18E52013B.jpeg1119BD9A-A768-4D63-B3CC-23A1B7E37069.jpeg  C8C45ADA-5963-4B3F-964C-B7AAE63CA4E8.jpeg 
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Bill G
Hi, They are fossils but I’ve deleted your double photos 
Cheers, Bill
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Rolo
There is an ammonite, a probable bivalve and fragments of fossil wood, I'd guess it is from a local Jurassic formation. Whereabouts in the country are you?
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Dirty Pete
Hi Pat,
You have an ammonite and fossil (carbonised) wood. Assume your'e in the Glamorgan area which would make them Jurassic.

Pete.
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Pat Hicks
Dirty Pete wrote:
Hi Pat,
You have an ammonite and fossil (carbonised) wood. Assume your'e in the Glamorgan area which would make them Jurassic.

Pete.
. Thanks for that Pete.  Yes, we live in Upper Church Village near Pontypridd but the rocks probably came from Glamorgan.  How did those markings get into the middle of the stone ?
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Pat Hicks
Thanks for that everyone.  We live in Upper Church Village near Pontypridd but the rocks probably came from a quarry in the Glamorgan area.  How did the markings get into the middle of the rock please ?
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Dirty Pete
Hi Pat
Your dead ammonite and waterlogged stick would have settled on the bottom of a Jurassic seabed and subsequent sedimentation would have covered them. Further burial would have compacted the sediment and converted the sediment (lime mud by the look of it) into a solid rock (limestone by the look of it). 190 million years +/- later you release them.

Pete

PS Ponty is Coal measures so it wouldn't be local.
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Pat Hicks
Hi Pete !  Thanks for that.  By coincidence, the guy, who brought us the rocks, called around this morning and said that he had had them from a quarry near Bridgend.
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pauledevans
Fascinating. I know some of the rocks around there. Did he say which quarry?
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Pat Hicks
No, he didn’t.  Sorry.
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