An early Lutetian carbon-cycle perturbation: Insights from the Gorrondatxe section (western Pyrenees, Bay of Biscay)

1. Payros, A.
2. Ortiz, S.
3. Alegret, L.
4. Orue-Etxebarria, X.
5. Apellaniz, E.
6. Molina, E.