New Zealand's Biggest Spherical Concretions

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How Giant Rock Balls Form! GEO GIRL

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Septarian Nodules (Concretions)

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Prepping a Huge Knarly Crab Concretion!!!

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Geologists Cannot Explain What Created these Mysterious Balls they call Concretions

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Giant's Foot inside Concretion

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Massive Devonian-Age Concretions in Central Ohio - Some are 2 to 4 Feet Wide!!!

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Giant Concretion Spheres | Alien Rock Formations?

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Giant Washington Concretion w Rare Crab Inside!!!

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Enormous fossil crab concretion #fossils #rare #beach

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What is it Wednesday!? Concretion

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It’s a rock, a very round rock. #concretion #rocks #onlyinohio #ohio

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Popping open a concretion from New Zealand!

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Rockhounding Concretions Near Our Cabin

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What is inside these promising concretions. #ammonite #fossil #fossilhunter #shorts

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Pawn Stars: INCREDIBLE ORIGINS for Mysterious Rock (Season 9)

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Fossil Kids and the Gigantic Ammonite Concretion

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Concretions are soft tissue Mudfossils

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how bad do you REALLY want a garden (BIG rock challenge) giant concretion 2

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An concretion spilt in half by the winter storms to reveal its insides, County Clare, Ireland

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