Researchers reveal first complete MDICE signal in Ordovician organic carbon isotope record

The Ordovician Period stands as a critical chapter in Earth’s geological history, with carbon isotope records serving as both a key tool for stratigraphic correlation and a vital archive to unravel the coevolution of ancient climates and biospheres. For decades, however, prior research has largely focused on carbonate carbon isotope (δ13Ccarb) data, leaving organic carbon isotope (δ13Corg) records significantly understudied.

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