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| Name:MiguelMoF | 12, Sep, 2025 21:39:44 | |
| the Frasnian Famennian (F F) boundary and the Paleocene Eocene (P E) boundary. High resolution Os isotope chemostratigraphy of four globally correlated WCB sections show two separate Os isotope excursions to less radiogenic compositions that are coincident with the carbon isotope excursions (CIEs). | ||
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