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Study of the Present and Fossil Cold Seeps in the Northern Apennines (Italy) to Define the Total Petroleum System
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, EAGE Shallow Anomalies Workshop, Nov 2014, cp-437-00002
- ISBN: 978-94-6282-099-9
Abstract
rs, which progressively entered in the oil window. A regional example of Methane Derived Authigenic Carbonates in shallow water setting is represented by the chimneys field exposed along the Enza riverbanks in the Lower Pleistocene deposits of the Northern Apennines. Within the Enza succession, methane leakage still occurs, showing δ13C isotopic values of about -70‰, indicating a biogenic origin; methane generated within the Plio-Pleistocene mudstones occurring in the subsurface of the Po plain. The improvement of the study on these fluid seepages gives further information to unravel the different fluids involved in MDAC formation and the fluid flow history, thus enhancing the understanding of the hydrocarbon potential in the foredeep.