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The History Man

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He’s got good technique but needs to build up to the bigger ones.06957579-AD0E-48C1-8FB4-30862B1D9130.jpeg
 
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mk one

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He moved them up the beach a few feet every week.
 

captaincowelly

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I've found fossilised sea urchins before but was possible to see lines where it was 'divided'.Wonder if yours are formed like the Moeraki boulders in New Zealand?Something to do with layers of sand/sediment shifting over millennia,they slowly rise up out of the sand.Some Maori legend about a giant who threw them all there I think.
Moeraki boulders.jpg
 

Elfman

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Being a geologist, but not a local (not even close, I'm in California), nor familiar with the location, the violent ejection theory is probably unlikely. Violent ejecta are usually associated with a lot of gases, which also typically results in quick cooling (quenching). Quick cooling is how you retard crystal growth and create glass (vitreous rocks like obsidian and the like). These are probably sedimentary or metamorphic rocks, but just my two cents. Very cool find! Being a rock nerd, "I dig it!"
 

Dan_Trials

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Being a geologist, but not a local (not even close, I'm in California), nor familiar with the location, the violent ejection theory is probably unlikely. Violent ejecta are usually associated with a lot of gases, which also typically results in quick cooling (quenching). Quick cooling is how you retard crystal growth and create glass (vitreous rocks like obsidian and the like). These are probably sedimentary or metamorphic rocks, but just my two cents. Very cool find! Being a rock nerd, "I dig it!"
Yes, "concretions" I think they are called?
 

kaya

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@The History Man the stones your collecting are Iron stones, its what they used to mine down here,​

The Iron stone mine used to pay a couple of quid each for them not sure if they still do....
 

The History Man

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@The History Man the stones your collecting are Iron stones, its what they used to mine down here,​

The Iron stone mine used to pay a couple of quid each for them not sure if they still do....
Yes thanks vern, knew they were iron stones and history. It’s the spherical nature of them that interested me. Being that they’re so dense and durable, they must have formed/cooled that way? I reckon I’ve got about £500 worth then. 😜
 
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