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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
biebertal |
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| navigate by keyword : animals bibertal biebertal black boundary chertlike cherts closeup devonian duensberg earth finegrained flinty germany hard historic history homogeneous layers life lydite marine microscopic radiolarians radiolarite remains rock sedimentary siliceous silurian skeletons slates stone |
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| Radiolarite of Duensberg, Biebertal, Germany in a closeup |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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