The region of the Strandja Sill (North Turkey) and the Messinian events

Type Article
Date 2015-09
Language English
Author(s) Suc Jean-Pierre1, 2, Gillet Herve3, Cagatay M. Namik4, Popescu Speranta-Maria5, Lericolais GillesORCID6, Armijo Rolando7, Melinte-Dobrinescu Mihaela Carmen8, Sen Sevket9, Clauzon Georges10, Sakinc Mehmet4, Zabci Cengiz4, Ucarkus Gulsen11, Meyer Bertrand1, 2, Cakir Ziyadin4, Karakas Cagil7, Jouannic Gwenael, Macalet Rodica
Affiliation(s) 1 : Univ Paris 06, Univ Paris 04, UMR 7193, iSTeP, F-75005 Paris, France.
2 : iSTeP, CNRS, UMR 7193, F-75005 Paris, France.
3 : Univ Bordeaux 1, EPOC, F-33405 Talence, France.
4 : Istanbul Tech Univ, Fac Mines, Dept Geol Engn, TR-34469 Istanbul, Turkey.
5 : GeoBioStratData Consulting, F-69140 Rillieux La Pape, France.
6 : IFREMER, F-92138 Issy Les Moulineaux, France.
7 : Inst Phys Globe Paris, CNRS, Tecton & Mecan Lithosphere, UMR 7154, F-75238 Paris 05, France.
8 : Natl Inst Marine Geol & Geoecol, Bucharest 70318, Romania.
9 : Museum Natl Hist Nat, CNRS, UMR 7207, Ctr Rech Paleobiodiversite & Paleoenvironm, Paris, France.
10 : Aix Marseille Univ, CNRS, IRD, CEREGE UM34, F-13545 Aix En Provence, France.
11 : Istanbul Tech Univ, Eurasia Inst Earth Sci, TR-34469 Istanbul, Turkey.
12 : Cerema, DTer Est, Lab Reg Pants & Chaussees Nancy, F-54510 Tomblaine, France.
13 : Natl Inst Hydrol & Water Management, Bucharest 013686, Romania.
Source Marine And Petroleum Geology (0264-8172) (Elsevier Sci Ltd), 2015-09 , Vol. 66 , P. 149-164
DOI 10.1016/j.marpetgeo.2015.01.013
WOS© Times Cited 21
Note The Messinian events and hydrocarbon exploration in the Mediterranean
Keyword(s) Mediterranean-Paratethys connection, Onshore-offshore stratigraphy, Messinian Salinity Crisis, Erosion, Fluvial network
Abstract The two sides of the Strandja Sill show a highly discontinuous stratigraphic succession since the Late Oligocene. This area, together with the Sea of Marmara Basin, is usually proposed as the gateway for the Paratethyan freshwaters and organisms that constituted the Lago Mare facies in the Mediterranean Sea during the Messinian Salinity Crisis (MSC). Our investigations involving new field observations and datings, together with previous studies, suggest that the sill has possibly experienced such a connection at around 8 Ma, i.e. significantly before the crisis. The proposal of a sea-level drop of the Black Sea before 7 Ma is not supported by our data on dinoflagellate cysts. Consistency of calcareous nannofossil succession at DSDP Site 380 is reinforced, allowing to reassert that subaerial erosion impacted both the southwestern Black Sea and the central Marmara – Dardanelles area during the peak of the MSC. At that time, this region was crossed by two oppositely directed fluvial networks, further supporting the absence of a marine gateway through the Strandja Sill. It is concluded that none of the Lago Mare events recorded in the Mediterranean during the MSC were the consequence of the passage of Paratethyan waters and organisms through this area. In the Black Sea, the well-dated Messinian fluvial erosion can be followed offshore. The overlying prograding deltaic deposits attest to a fast marine reflooding after the crisis. This constitutes a comprehensive erosion - sedimentation model in an area intensively explored for hydrocarbons.
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Suc Jean-Pierre, Gillet Herve, Cagatay M. Namik, Popescu Speranta-Maria, Lericolais Gilles, Armijo Rolando, Melinte-Dobrinescu Mihaela Carmen, Sen Sevket, Clauzon Georges, Sakinc Mehmet, Zabci Cengiz, Ucarkus Gulsen, Meyer Bertrand, Cakir Ziyadin, Karakas Cagil, Jouannic Gwenael, Macalet Rodica (2015). The region of the Strandja Sill (North Turkey) and the Messinian events. Marine And Petroleum Geology, 66, 149-164. Publisher's official version : https://doi.org/10.1016/j.marpetgeo.2015.01.013 , Open Access version : https://archimer.ifremer.fr/doc/00251/36217/