File:Detail-69865.jpg
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A thin layer of sedimentary rock, marking the Cretaceous-Paleogene boundary, visible in a cliff or rock face.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:31, 26 March 2024 | ![]() | 1,024 × 1,024 (1.62 MB) | Ai (talk | contribs) | A thin layer of sedimentary rock, marking the Cretaceous-Paleogene boundary, visible in a cliff or rock face. |
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