The Rio Magno unit (alpine Corsica): A review of its structural stratigraphical and geochemical features and their geodynamic implications

Ofioliti

Volumn 27, Issue 1, 2002, Pages 31-42

  Padoa, Elisa ^a   Saccani, Emilio ^b   Durand Delga, Michel ^c  

^a UNIVERSITY OF FLORENCE   (Italy)

^b UNIVERSITY OF FERRARA   (Italy)

^c NONE   (France)

Author keywords

Cretaceous. alpine corsica; Internal ligurides; Northern apennines; Ophiolites; Piedmont Ligurian ocean

Indexed keywords

EID: 19844370710     PISSN: None     EISSN: 03912612     Source Type: Journal    
DOI: None     Document Type: Article

References (46)

1. Abbate E., Bortolotti V. and Principi G., 1980. Apennine ophiolites: a peculiar oceanic crust. In Rocci G. (Ed.), Tethyan Ophiolites, 1. Western Area. Ofioliti, Spec. Iss., p. 59-96.
2. Alvarez W., 1991. Tectonic evolution of the Corsica-Apennines- Alps region studied by the method of successive approximations. Tectonics, 10: 936-947.
3. Amaudric du Chaffaut S., Caron J.M., Delcey R. and Lemoine M., 1972. Donneacute;es nouvelles sur la stratigraphie des Schistes Lustreacute;s de Corse: la seacute;rie de l'Inzecca. Comparaison avec les Alpes occidentales et l'Apennin ligure. C. R. Acad. Sci. Paris, 275: 2611-2614.
4. Beccaluva L., Ohnenstetter D., Ohnenstetter M. and Venturelli G., 1977. The trace element geochemistry of Corsican ophiolites. Contrib. Mineral. Petrol., 64: 11-31
5. Boccaletti M., Elter P. and Guazzone G., 1971. Plate tectonics model for the development of the Western Alps and Northern Apennine. Nature, 234: 108-111.
6. Bonechi G., 1980. Le zone ofiolitifere di Murlo, Siena: stratigrafia. Ofioliti, 5 (1): 97-100.
7. Bortolotti V., Gardin S., Marcucci M. and Principi G., 1994. The Nisportino Formation: a transitional unit between the Mt. Alpe Cherts and the Calpionella Limestones (Vara Supergroup, Elba Island, Italy). Ofioliti, 19: 349-366.
8. Bortolotti V., Principi G. and Treves B., 1990. Mesozoic evolution of Western Tethys and the Europe/Iberia/Adria plate junction. Mem. Soc. Geol. It., 45: 393-407.
9. Bosma W., 1956. Contribution agrave; la geacute;ologie de la Balagne (Corse). Thegrave;se (impr.) Geologisch Instituut, Univ. Amsterdam, 128 pp.
10. Caron J.M., 1977. Lithostratigraphie et tectonique des Schistes Lustreacute;s dans les Alpes cottiennes septentrionales et en Corse orientale. Sci. Geacute;ol. Meacute;m. (Strasbourg), 48, 326 pp.
11. Cortesogno L. and Gaggero L., 1992. The basaltic dikes in the Bracco gabbroic Massif: Petrology of the earliest phases of basaltic activity in the Northern Apennine ophiolites. Ofioliti, 17: 183-198.
12. Counas D., 1986. Les uniteacute;s alpines (Autochtone Allochtone) agrave; l'ouest de Ghisonaccia (Corse sud-orientale). Thegrave;se Doct., Univ. Paul- Sabatier, Toulouse, 200 pp.
13. Couturieacute; J.P., 1965. Etude geacute;ologique de la seacute;rie des Schistes Lustreacute;s de la Valleacute;e du Tavignano. Bull. Soc. Sci. Hist. Nat. Corse, 17 pp.
14. Decandia F.A. and Elter P., 1972. La quot;zonaquot; ofiolitifera del Bracco nel settore compreso fra Levanto e la Val Graveglia (Appennino ligure), Mem. Soc. Geol. It., 11: 467-502.
15. Durand-Delga M., 1984. Principaux traits de la Corse alpine et correlations avec les Alpes ligures. Mem. Soc. Geol. It., 28: 285-329.
16. Durand-Delga M. and coll., 1978. Corse. Guides geacute;ologiques reacute;gionaux, Ed. Masson, Paris, 208 pp.
17. Durand-Delga M., Peybernegrave;s B. and Rossi P., 1997. Arguments en faveur de la position, au Jurassique, des ophiolites de Balagne (Haute-Corse, France) au voisinage de la marge continentale europeacute;enne, C. R. Acad. Sci. Paris, 32: 973-981.
18. Fournier M., Jolivet L., Goffeacute; B. and Dubois R., 1991. The Alpine Corsica metamorphic core complex. Tectonics, 10: 1173-1186.
19. Gibbons W., Waters C. and Warburton J., 1986. The blueschist facies Schistes Lustreacute;s of Alpine Corsica: a review. Geol. Soc. Am. Mem., 164: 301-311.
20. Jolivet L., Faccenna C., Goffeacute; B., Mattei M., Rossetti F., Brunet C., Storti F., Funiciello R., Cadet J.P., D'Agostino N. and Parra T., 1998. Midcrustal shear zones in postorogenic extension: Example from the northern Tyrrhenian Sea, J. Geoph. Res., 103: 123-160.
21. Lahondegrave;re D., 1996. Les schistes bleus et les eacute;clogites agrave; lawsonite des uniteacute;s continentales et oceacute;aniques de la Corse alpine. Docum. B.R.G.M., 240, 285 pp.
22. Lahondegrave;re D. and Guerrot C., 1997. Sm-Nd dating of Alpine eclogitic metamorphism in Corsica: evidence for Late Cretaceous subduction beneath the Corsican-Sardinian block Geacute;ol. France, 3: 3-11.
23. Lahondegrave;re D., Rossi P. and Lahondegrave;re J.C., 1999. Structuration alpine d'une marge continentale externe: le massif du Tenda (Haute-Corse). Implications geacute;odynamiques au niveau de la transversale Corse-Apennins, Geacute;ol. France, 4: 27-44.
24. Malavielle J., Chemenda A. and Laroque C., 1998. Evolutionary model for Alpine Corsica: mechanism for ophiolite emplacement and exhumation of high-pressure rocks. Terranova, 10: 317-322.
25. Marroni M., Molli G., Montanini A. and Tribuzio R., 1998. The association of continental crust rocks with ophiolites in the Northern Apennines (Italy): implications for the continent-ocean transition in the Western Tethys. Tectonophysics, 292: 43-66.
26. Marroni M., Pandolfi L. and Saccani E., 2001. Mafic rocks from the sedimentary breccias associated to the Balagne ophiolitic Nappe (northern Corsica): geochemical features and geological implications. Ofioliti, 26: 1-12.
27. Mattauer M. and Proust F., 1976. La Corse Alpine: un modegrave;le de genegrave;se du meacute;tamorphisme haute pression par subduction de croucirc;te continentale sous du mateacute;riel oceacute;anique. C. R. Acad. Sci. Paris, 282: 1249-1252.
28. Nardi R., Puccinelli A. and Verani M., 1978. Carta geologica della Balagne quot;sedimentariaquot; (Corsica) alla scala 1:25.000 e note illustrative. Boll. Soc. Geol. It., 97: 3-22.
29. Ohnenstetter D., Ohnenstetter M. and Rocci, G., 1976. Etude des meacute;tamorphismes successifs des cumulats de l'ophiolite corse. Bull. Soc. Geacute;ol. Fr., 18: 115-134.
30. Ohnenstetter M., 1979. La seacute;rie ophiolitifegrave;re de Rospigliani (Corse) est-elle un teacute;moin des pheacute;nomegrave;nes tectoniques, seacute;dimentaires et magmatiques lieacute;s au fonctionnement des zones transformantes?. C. R. Acad. Sci. Paris, 289: 1199-1202.
31. Ohnenstetter M., 1993. The Corsican ophiolites and the deep Ivrea zone layered complexes and related mineralization. In: Int. Symp. on Mineralization related to ultramafic rocks (IAGOD), Orleacute;ans, Sept. 1993, Guidebook for the field excursion, Part A, p. 9-64.
32. Ohnenstetter M., Ohnenstetter D. and Rocci G., 1975. Essai de reconstruction du puzzle ophiolitique corse. C. R. Acad. Sci. Paris, 280: 395-398.
33. Ottonello G., Joron J.L. and Piccardo G.B., 1984. Rare Earth and 3d transition element geochemistry of peridotitic rocks: II. Ligurian peridotites and associated basalts. J. Petrol., 25 (2): 373-393.
34. Padoa E., 1999. Les ophiolites du Massif de l'Inzecca (Corse Alpine): lithostratigraphie, structure geacute;ologique et evolution geacute;odynamique. Geacute;ol. France, 3: 37-48.
35. Padoa E. and Durand-Delga M., 2001. L'Uniteacute; ophiolitique du Rio Magno en Corse Alpine: eacute;leacute;ment des Ligurides de l'Apennin Septentrional. C. R. Acad. Sci. Paris, 36:285-293.
36. Padoa E., Saccani E. and Durand-Delga M., 2001. Structural and geochemical data on the Rio Magno Unit: evidences of a new quot;apenninicquot; ophiolitic unit in alpine Corsica and its geodynamic implications. Terranova, 13: 135-142.
37. Principi G. and Treves B., 1984. Il sistema Corso-Apenninico come prisma di accrezione. Riflessi sul problema generale del limite Alpi-Apennini. Mem. Soc. Geol. It., 28: 549-576.
38. Rossi P., Durand-Delga M., Caron J.M., Guieu G., Conchon O., Libourel G. and Loydie;e-Pilot M.D., 1994. Carte geacute;ologique de la France agrave; 1:50.000 quot;Cortequot; et notice explicative de la feuille, BRGM, nr. 1110, Orleacute;ans, France.
39. Rossi P. and Durand-Delga M., 2001. Significance of sandstones interbedded in the Jurassic basalts of the Balagne ophiolitic Nappe (Corsica, France). Ofioliti, 26: 169-173.
40. Saccani E., Padoa E. and Tassinari R., 2000. Preliminary data on the Pineto gabbroic Massif and Nebbio basalts: progress toward the geochemical characterization of Alpine Corsica ophiolites. Ofioliti, 25: 75-85.
41. Shervais J. W., 1982. Ti-V plots and the petrogenesis of modern ophiolitic lavas. Earth Planet. Sci. Lett., 59: 101-118
42. Sun S.-S. and McDonough W.F., 1989. Chemical and isotopic systematics of ocean basalts: Implications for mantle composition and processes. In: A.D. Saunders and M.J. Norry (Eds.), Magmatism in the ocean oasins, Geol. Soc. London Spec. Publ., 42: 313-346.
43. Vannucci R., Rampone E., Piccardo G. B., Ottolini L. and Bottazzi P., 1993. Ophiolitic magmatism in the Ligurian Tethys: an ion microprobe study of basaltic clinopyroxenes. Contrib. Mineral. Petrol., 115: 123-137.
44. Venturelli G., Capedri S., Thorpe R.S. and Potts P.J., 1979. Rareearth and other trace element distribution in some ophiolitic metabasalts of Corsica. Chem. Geol., 24: 339-353.
45. Venturelli G., Thorpe R. S. and Potts, P. J., 1981. Rare earth and trace element characteristics of ophiolitic metabasalts from the Alpine-Apennine belt. Earth Planet. Sci. Lett., 53: 109-123.
46. Warburton J., 1986. The ophiolite-bearing Schistes Lustreacute;s nappe in Alpine Corsica: a model for the emplacement of the ophiolites that have sufferred HP/LT metamorphism, Geol. Soc. Am. Mem., 164: 313-331.