The Chenaillet Ophiolite in the French/Italian Alps: An ancient analogue for an Oceanic Core Complex?

Lithos

Volumn 124, Issue 3-4, 2011, Pages 169-184

  Manatschal, Gianreto ^a   Sauter, Daniel ^a   Karpoff, Anne Marie ^a   Masini, Emmanuel ^a   Mohn, Geoffroy ^a   Lagabrielle, Yves ^b  

^a UNIVERSITÉ DE STRASBOURG   (France)

^b UNIV MONTPELLIER   (France)

Author keywords

Alpes; Alpine ophiolites; Chenaillet ophiolite; Oceanic core complexes; Slow spreading ridges

Indexed keywords

DETACHMENT FAULT; EMPLACEMENT; EXHUMATION; FAULTING; FOOTWALL; GEOLOGICAL MAPPING; MID-OCEAN RIDGE BASALT; NAPPE; OPHIOLITE; SEAFLOOR SPREADING; SHEAR ZONE;

ALPS;

EID: 79955857771     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.lithos.2010.10.017     Document Type: Article

References (70)

1. Alexander R.J., Harper G.D. The Josephine ophiolite: an ancient analogue for slow- to intermediate-spreading oceanic ridges. Ophiolites and their Modern Oceanic Analogues. Geological Society Special Publication London 1992, 60:3-38. L.M. Parson, B.J. Murton, P. Browning (Eds.).
2. Allerton S., MacLeod C.J. Fault-controlled magma transport in the mantle lithosphere at slow-spreading ridges. Modern Ocean Floor Processes and the Geological Record. Geological Society Special Publication. London 1998, 148:29-42. R.A. Mills, K. Harrison (Eds.).
3. Beard J.S. Dehydration melting of amphibolite at 1-7kbar. EOS Transactions-American Geophysical Union 1990, 71(3):1714.
4. Bertrand J., Steen D., Trinkler C., Vuagnat M. The melange zone of the Col du Chenaillet (Montgenèvre Ophiolite, Hautes-Alpes, France). Archives des Sciences. Société de Physique et d'Histoire Naturelle de Genève 1980, 33:117-138.
5. Bertrand J., Courtin B., Vuagnat M. Elaboration d'un secteur de lithosphère océanique liguro-piémontais d'après les données de l'ophiolite du Montgenèvre (Hautes-Alpes, France et province de Turin, Italie). Ofioliti 1982, 2(3):155-196.
6. Bertrand J., Dietrich V., Nievergelt P., Vuagnat M. Comparative major and trace element geochemistry of gabbroic and volcanic rock sequences, Montgenèvre ophiolite, Western Alps. Schweizerische Mineralogische und Petrographische Mitteilungen 1987, 67:147-169.
7. Bill M., Bussy F., Cosca M., Masson H., Hunziker J.C. High-precision U-Pb and 40Ar/39Ar dating of an Alpine ophiolite (Gets nappe, French Alps). Eclogae Geologicae Helvetiae 1997, 90:43-54.
8. Blackman D.K., Cann J.R., Janssen B., Smith D.K. Origin of extensional core complexes: evidence from the Mid-Atlantic Ridge at Atlantis fracture zone. Journal of Geophysical Research 1998, 103(B9):21315-21333.
9. Blake M.C.J., Jayko A.S. Uplift of very high pressure rocks in the western Alps: evidence for structural attenuation along low-angle fault. Mémoires de la Société Géologique de France 1990, 156:237-246.
10. Bortolotti V., Cortesogno L., Gianelli G., Piccardo G.B. I filoni basaltici delle ofioliti dell'Appennino settentrionale e il loro significato nella formazione del bacino oceanico Ligure. Ofioliti 1976, 1:331-363.
11. Buck W.R., Lavier L.L., Poliakov A.N.B. Modes of faulting at mid-ocean ridges. Nature 2005, 434:719-723. 10.1038/nature03358.
12. Burroni A., Levi N., Marroni M., Pandolfi L. Lithostratigraphy and structure of the Lago Nero unit (Chenaillet massif, western Alps): comparison with internal liguride units of northern Apennines. Ofioliti 2003, 28-1:1-11.
13. Caby R. Plastic deformation of gabbros in a slow-spreading Mesozoic Ridge: example of the Montgenèvre Ophiolite. Mantle and Lower Crust Exposed in Oceanic Ridges and in Ophiolites 1995, 123-145. Kluwer Academic Publishers. R.L.M. Vissers, A. Nicolas (Eds.).
14. Cann J.R., Blackman D.K., Smith D.K., McAllister E., Janssen B., Mello S., Avgerinos E., Pascoe A.R., Escartín J. Corrugated slip surfaces formed at ridge-transform intersections on the Mid-Atlantic Ridge. Nature 1997, 385:329-332. 10.1038/385329a0.
15. Cannat M. Emplacement of mantle rocks in the seafloor at mid-ocean ridges. Journal of Geophysical Research 1993, 98(B3):4163-4172.
16. Cannat M., Casey J.F. An ultramafic lift at the Mid-Atlantic Ridge: successive stages of magmatism in serpentinized peridotites from the 15°N region. Mantle and Lower Crust Exposed in Oceanic Ridges and in Ophiolites 1995, 5-34. Kluwer Academic Publishers. R.L.M. Vissers, A. Nicolas (Eds.).
17. Cannat M., Lagabrielle Y., Bougault H., Casey J., de Coutures N., Dmitriev L., Fouquet Y. Ultramafic and gabbroic exposures at the Mid-Atlantic Ridge: geological mapping in the 15°N region. Tectonophysics 1997, 279:193-213.
18. Cannat M., Sauter D., Mendel V., Ruellan E., Okino K., Escartín J., Combier V., Baala M. Modes of seafloor generation at a melt-poor ultraslow-spreading ridge. Geology 2006, 34:605-608.
19. Cannat M., Sauter D., Escartín J., Lavier L., Picazo S. Oceanic corrugated surfaces and the strength of the axial lithosphere at slow spreading ridges. Earth Planetary Science Letters 2009, 288:174-183. 10.1016/j.epsl.2009.09.020.
20. Chalot-Prat F. An undeformed ophiolite in the Alps: field and geochemical evidence for a link between volcanism and shallow plate tectonic processes. Plates, Plumes and Paradigms. Geological Society of America Special Papers 2005, 388:751-780. G.R. Foulger, J.H. Natland, D.C. Presnall, D.L. Anderson (Eds.).
21. Chapelle, B., 1990. La lithosphère océanique de la Téthys ligure. Etude des magmatismes basiques et acides (massifs ophiolitiques du Montgenèvre et de Haute-Ubaye). PhD Thesis, Grenoble, France, 196pp.
22. Cordey F., Bailly A. Alpine ocean seafloor spreading and onset of pelagic sedimentation: new radiolarian data from the Chenaillet-Montgenèvre ophiolite (French-Italian Alps). Geodinamica Acta 2007, 20(3):131-138.
23. Costa S., Caby R. Evolution of the Ligurian Tethys in the Western Alps: Sm/Nd and U/Pb geochronology and rare-earth element geochemistry of the Montgenève ophiolite (France). Chemical Geology 2001, 175:449-466.
24. deMartin B.J., Sohn R.A., Canales J.P., Humphris S.E. Kinematics and geometry of active detachment faulting beneath the Trans-Atlantic Geotraverse (TAG) hydrothermal field on the Mid-Atlantic Ridge. Geology 2007, 35(8):711-714. 10.1130/G23718A.
25. Desmurs, L., 2001. Mantle evolution and magmatism in an evolving ocean continent transition: The Platta nappe, eastern Switzerland. PhD Thesis, ETH Zurich, 14429, 159pp.
26. Desmurs L., Müntener O., Manatschal G. Onset of magmatic accretion within a magma-poor rifted margin: a case study from the Platta ocean-continent transition, eastern Switzerland. Contributions to Mineralogy and Petrology 2002, 144(3):365-382.
27. Dick H.J.B., Natland J.H., Alt J.C., Bach W., Bideau D., Gee J.S., Haggas S., Hertogen J.G.H., Hirth G., Holm P.M., Ildefonse B., Iturrino G.J., John B.E., Kelley D.S., Kikawa E., Kindom A., LeRoux P.J., Maeda J., Meyer P.S., Miller D.J., Naslund H.R., Niu Y.-L., Robinson P.T., Snow J., Stephen R.A., Trimby P.W., Worm H.-U., Yoshinobu A.S. A long in-situ section of the lower oceanic crust: results of ODP Leg 176 drilling at the Southwest Indian Ridge. Earth Planetary Science Letters 2000, 179:31-51. 10.1016/S0012-821X(00)00102-3.
28. Dick H.J.B., Tivey M.A., Tucholke B.E. Plutonic foundation of a slow-spreading ridge segment: the oceanic core complex at Kane megamullion, 23° 30'N, 45° 20'W. Geochemistry, Geophysics, Geosystems 2008, 9:Q05014.
29. Elter P. L'ensemble ligure. Bulletin de la Société Géologique de France 1975, 17:984-997.
30. Escartín J., Mével C., MacLeod C.J., McCaig A.M. Constraints on deformation conditions and the origin of oceanic detachments: the Mid-Atlantic Ridge core complex at 15°45'N. Geochemistry, Geophysics, Geosystems 2003, 4:1067. 10.1029/2002GC000472.
31. Escartín J., Smith D.K., Cann J., Schouten H., Langmuir C.H., Escrig S. Central role of detachment faults in accretion of slow-spreading oceanic lithosphere. Nature 2008, 455(7214):790-794.
32. Evensen N.M., Hamilton P.J., O'Nions R.K. Rare-earth abundances in chondritic meteorites. Geochimica et Cosmochimica Acta 1978, 42:1199-1212.
33. Godard M., Awaji S., Hansen H., Hellebrand E., Brunelli D., Johnson K., Yamasaki T., Maeda J., Abratis M., Christie D., Kato Y., Mariet C., Rosner M. Geochemistry of a long in-situ section of intrusive slow-spread oceanic lithosphere: results from IODP Site U1309 (Atlantis Massif, 30°N Mid-Atlantic-Ridge). Earth and Planetary Science Letters 2009, 279:110-122.
34. Ildefonse B., Blackman D.K., John B.E., Ohara Y., Millers D.J., MacLeod C.J. Oceanic core complexes and crustal accretion at slow-spreading ridges. Geology 2007, 35(7):623-626. IODP Expeditions 304/305 Science Party. 10.1130/G23531A.1.
35. Jagoutz O., Müntener O., Manatschal G., Rubatto D., Peron-Pinvidic G., Turrin B.D., Villa I.M. The rift-to-drift transition in the North Atlantic: a stuttering start of the MORB machine?. Geology 2007, 35:1087-1090.
36. Karson J.A., Dick H.J.B. Tectonics of ridge-transform intersections at the Kane fracture zone. Marine Geophysical Researches 1983, 6:51-98.
37. Karson J.A., Lawrence R.M. Tectonic setting of serpentinite exposures on the western median valley wall of the MARK area in the vicinity of Site 920. Proceedings Ocean Drilling Program Scientific Results, Ocean Drilling Program, College Station, TX 1997, 153:5-22. J.A. Karson, M. Cannat, D.J. Miller, D. Elthon (Eds.).
38. Karson J.A., Lawrence R.M. Tectonic window into gabbroic rocks of the middle oceanic crust in the MARK area near Sites 921-924. Proceedings Ocean Drilling Program Scientific Results, Ocean Drilling Program, College Station, TX 1997, 153:61-76. J.A. Karson, M. Cannat, D.J. Miller, D. Elthon (Eds.).
39. Karson J.A., Früh-Green G.L., Kelley D.S., Williams E.A., Yoerger D.R., Jakuba M. Detachment shear zone of the Atlantis Massif core complex, Mid-Atlantic Ridge, 30°N. Geochemistry, Geophysics, Geosystems 2006, 7(6). Q06016. 10.1029/2005GC001109.
40. Lagabrielle Y. Mantle exhumation and lithospheric spreading: a historical perspective from investigations in the Oceans and in the Alps-Apennines ophiolites. Bollettino Della Societa Geologica Italiana 2009, 128(2):279-293.
41. Lagabrielle Y., Cannat M. Alpine Jurassic ophiolites resemble the modern central Atlantic basement. Geology 1990, 18:319-322. 10.1130/0091-7613(1990) 018<0319:AJORTM>2.3.CO;2.
42. Lagabrielle Y., Polino R. Un schéma structural du domaine des Schistes lustrés ophiolitifères au nord-ouest du massif du Mont Viso (Alpes Sub-Occidentales) et ses implications (A structural map of the ophiolite-bearing 'Schistes lustrés' north-west of the Monte Viso massif (SW Alps) and its implications). Comptes Rendus de l'Académie des Sciences [Paris], Série 1988, 2(306):921-928.
43. Lagabrielle Y., Bideau D., Cannat M., Karson J.A., Mével C. Ultramafic-mafic plutonic rock suites exposed along the Mid-Atlantic Ridge (10°N-30°N). Symmetrical-asymmetrical distribution and implications for seafloor spreading processes. Faulting and Magmatism at Mid-Ocean Ridges. American Geophysical Union Geophysical Monograph 1998, 106:153-176. W.R. Buck (Ed.).
44. Lavier L.L., Buck W.R., Poliakov A.N.B. Self-consistent rolling-hinge model for the evolution of large-offset low-angle normal faults. Geology 1999, 27:1127-1130.
45. Lemoine M., Tricart P., Boillot G. Ultramafic and gabbroic ocean floor of the Ligurian Tethys (Alps, Corsica, Apennines): in search of a genetic model. Geology 1987, 15:622-625.
46. Lewis A.D., Snewing J.D. The Montgenèvre ophiolite (Hautes-Alpes, France): metamorphism and trace element geochemistry of the volcanic sequence. Chemical Geology 1980, 28:291-306.
47. MacLeod C.J., Escartín J., Banerji D., Banks G.J., Gleeson M., Irving D.H.B., Lilly R.M., McCaig A.M., Niu Y., Allerton S., Smith D.K. Direct geological evidence for oceanic detachment faulting: the Mid-Atlantic Ridge, 15°45'N. Geology 2002, 30:879-882.
48. MacLeod C.J., Searle R.C., Murton B.J., Casey J.F., Mallows C., Unsworth S.C., Achenbach K.L., Harris M. Life cycle of oceanic core complexes. Earth Planetary Science Letters 2009, 287:333-344.
49. Manatschal G., Müntener O. A type sequence across an ancient magma-poor ocean-continent transition: the example of the western Alpine Tethys ophiolites. Tectonophysics 2009, 473:4-19.
50. McCaig A.M., Cliff R.A., Escartín J., Fallick A.E., MacLeod C.J. Oceanic detachment faults focus very large volumes of black smoker fluids. Geology 2007, 35(10):935-938.
51. Mével C., Caby R., Kienast J.-R. Amphibolite facies conditions in the oceanic crust: example of amphibolized flaser-gabbro and amphibolites from the Chenaillet ophiolite massif (Hautes Alpes, France). Earth and Planetary Science Letters 1978, 39:98-108.
52. Mével C., Cannat M., Gente P., Marion E., Auzende J.M., Karson J.A. Emplacement of deep crustal and mantle rocks on the west median valley wall of the MARK area (MAR, 23°N). Tectonophysics 1991, 190(1):31-53.
53. Miranda E.A., Dilek Y. Oceanic Core Complex development in modern and ancient oceanic lithosphere: gabbro-localized versus peridotite-localized detachment models. The Journal of Geology 2010, 118:95-109. 10.1086/648460.
54. Müntener O., Manatschal G., Desmurs L., Pettke T. Plagioclase peridotites in ocean-continent transitions: refertilized mantle domains generated by melt stagnation in the shallow mantle lithosphere. Journal of Petrology 2010, 51(1-2):255-294. 10.1093/petrology/egp087.
55. Mutter J.C., Karson J.A. Structural processes at slow-spreading ridges. Science 1992, 257:627-634.
56. Principi G., Bortolotti V., Chiari M., Cortesogno L., Gaggero L., Marcucci M., Saccani E., Treves B. The pre-orogenic volcano-sedimentary covers of the western Tethys oceanic basin: a review. Ofioliti 2004, 29:177-211.
57. Rampone E., Piccardo G.B. The ophiolite-oceanic lithosphere analogue: new insights from the Northern Apennines (Italy). Ophiolites and Oceanic Crust: New Insights from Field Studies and the Oceanic Drilling Program. Geological Society of America Special Papers 2000, 349:21-34. 10.1130/0-8137-2349-3.21. Y. Dilek, E.M. Moores, D. Elthon, A. Nicolas (Eds.).
58. Reston T.J., Weinrebe W., Grevemeyer I., Flueh N.C., Kirstein L., Kopp C., Kopp H. A rifted inside corner massif on the Mid-Atlantic Ridge at 5°S. Earth Planetary Science Letters 2002, 200:255-269. Participants of Meteor 47/2.
59. Reston T.J., Ranero C.R., Ruoff O., Perez-Gussinye M., Dañobeitia J.J. Geometry of extensional faults developed at slow-spreading centres from pre-stack depth migration of seismic reflection data in the Central Atlantic (Canary Basin). Geophysical Journal International 2004, 159:591-606.
60. Rossi P., Cocherie A., Lahondère D., Fanning C.M. The European margin of the Jurassic Tethys in Corsica: dating of Balagne trondhjemites and evidence to support a continental crust beneath the Balagne-Ligurian domain. Comptes Rendus de l'Académie des Sciences [Paris] IIA 2002, 334:313-332. 10.1016/S1631-0713(02)01758-3.
61. Schaltegger U., Desmurs L., Manatschal G., Müntener O., Meier M., Frank M., Bernoulli D. From a rifted continental margin to a slow-spreading system: field and isotopic constraints. Terra Nova 2002, 14:156-162.
62. Schroeder T., John B.E. Strain localization on an oceanic detachment fault system, Atlantis Massif, 30'N, Mid-Atlantic Ridge. Geochemistry. Geophysics, Geosystems 2004, 5. GQ11007. 10.1029/2004GC000728.
63. Smith D.K., Escartín J., Schouten H., Cann J.R. Fault rotation and core complex formation: significant processes in seafloor formation at slow-spreading mid-ocean ridges (Mid-Atlantic Ridge, 13°-15°N). Geochemistry, Geophysics, Geosystems 2008, 9(3). Q03003. 10.1029/2007GC001699.
64. Tivey M.A., Schouten H., Kleinrock M.C. A near-bottom magnetic survey of the Mid-Atlantic Ridge axis at 26°N: implications for the tectonic evolution of the TAG segment. Journal of Geophysical Research 2003, 108(B5):2277. 10.1029/2002JB001967.
65. Tremblay A., Meshi A., Bédard J.H. Oceanic core complexes and ancient oceanic lithosphere: insights from Iapetan and Tethyan ophiolites (Canada and Albania). Tectonophysics 2009, 473(1-2):36-52. 10.1016/j.tecto.2008.08.003.
66. Tribuzio R., Tiepolo M., Vannucci R. Evolution of gabbroic rocks from the Northern Apennine ophiolites (Italy): comparison with the lower oceanic crust from modern slow-spreading ridges. Ophiolites and Oceanic Crust: New Insights from Field Studies and the Oceanic Drilling Program. Geological Society of America Special Papers 2000, 349:129-138. 10.1130/0-8137-2349-3.129. Y. Dilek, E.M. Moores, D. Elthon, A. Nicolas (Eds.).
67. Tucholke B.E., Lin J. A geological model for the structure of ridge segments in slow spreading oceanic crust. Journal of Geophysical Research 1994, 99(B6):11937-11958.
68. Tucholke B.E., Lin J., Kleinrock M.C. Megamullions and mullion structure defining oceanic metamorphic core complexes on the Mid-Atlantic Ridge. Journal of Geophysical Research 1998, 103(B5):9857-9866. 10.1029/98JB00167.
69. Tucholke B.E., Fujioka K., Ishihara T., Hirth G., Kinoshita M. Submersible study of an oceanic megamullion in the central North Atlantic. Journal of Geophysical Research 2001, 106(B8):16145-16161.
70. Tucholke B.E., Behn M.D., Buck W.R., Lin J. Role of melt supply in oceanic detachment faulting and formation of megamullions. Geology 2008, 36:455-458. 10.1130/G24639A.1.