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Quaternary turbidite systems on the northern margins of the Balearic Basin (Western Mediterranean): a synthesis

Abstract : The Balearic Basin is a young basin composed of thick Plio–Quaternary sediments, including active gravity sedimentation. During the Quaternary, gravity processes deposited (1) turbidite systems, either as symmetrical fans (Petit-Rhône and Valencia fans) or asymmetrical ridges (Marseille–Planier, Grand-Rhône and Pyreneo-Languedocian ridges) and (2) several mass-transport deposits, indicating recurrent sedimentary failures of the margin. This paper synthesizes previous works and proposes a chronological sedimentary evolution for the basin. Except for the last 20 ka, the chronostratigraphy remains poorly constrained but should soon be established for the last 500 ka, based on the PROMESS1 drillings on the outer shelf of the Gulf of Lions, and hopefully for the last 30 Ma, based on ultra-deep drilling in the deep basin from aboard the Chikyu research vessel (IODP proposal Pre699)
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Submitted on : Friday, February 18, 2011 - 3:21:34 PM
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Laurence Droz, T. dos Reis A., Marina Rabineau, Serge S. Berné, G. Bellaiche. Quaternary turbidite systems on the northern margins of the Balearic Basin (Western Mediterranean): a synthesis. Geo-Marine Letters, Springer Verlag, 2006, 26 (6), pp.347-359. ⟨10.1007/s00367-006-0044-0⟩. ⟨insu-00305234⟩



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