Exhumation processes during post-collisional stage in the Variscan belt revealed by detailed 40Ar/39Ar study (Tanneron Massif, SE France)

International Journal of Earth Sciences

Volumn 99, Issue 2, 2010, Pages 327-341

  Corsini, Michel ^a   Bosse, V ^b   Feraud G ^a   Demoux, A ^c   Crevola, G ^d  

^a UNIVERSITÉ DE NICE SOPHIA ANTIPOLIS   (France)

^b UNIVERSITÉ BLAISE PASCAL   (France)

^c JOHANNES GUTENBERG UNIVERSITY   (Germany)

^d Cardiology Department   (France)

Author keywords

40Ar 39Ar; Exhumation; Tanneron Massif; Thermal doming; Variscan

Indexed keywords

ARGON-ARGON DATING; BRITTLE DEFORMATION; DUCTILE DEFORMATION; EXHUMATION; GEOCHRONOLOGY; HERCYNIAN OROGENY; NORMAL FAULT; SHEAR ZONE; STRIKE-SLIP FAULT; THERMAL STRUCTURE;

FRANCE; PROVENCE-ALPES-COTE D'AZUR; TANNERON MASSIF;

EID: 79956090215     PISSN: 14373254     EISSN: 14373262     Source Type: Journal    
DOI: 10.1007/s00531-008-0397-x     Document Type: Article

References (68)

1. 39Ar age spectra: example from the blond granite (Massif Central, France). Geochim Cosmochim Acta 66:1793-1807. doi:10.1016/S0016-7037(01)00895-X.
2. Arthaud F, Matte P (1966) Contribution à l'étude des tectoniques superposées dans la chaîne hercynienne: étude microtectonique des séries métamorphiques du massif des Maures (Var). C R Acad Sci Paris 262:436-439.
3. Bard JP, Caruba C (1981) Les séries leptyno-amphiboliques à éclogites relictuelles et serpentinites des Maures, marqueurs d'une paléosuture varisque affectant une croûte amincie? C R Acad Sci Paris 292:611-614.
4. Bard JP, Caruba C (1982) Texture et mineralogy d'une eclogite à disthène-saphirine-hyperstène-quartz en inclusion dans les gneiss migmatitites des Cavalières, massif de Ste Maxime (Maures, Var, France). C R Acad Sci Paris 294:103-106.
5. Basso AM (1985) Le Carbonifère de Basse Provence (Sud-Est de la France). Doctorate thesis, University Aix-Marseille 1, France, p 319.
6. Bellot JP, Bronner G, Laverne C (2000) Finite strain analysis and signification of ultramafic lenses from the Western Maures (SE France). Geodynamic implications. C R Acad Sci Paris 331:803-809.
7. Bellot JP, Bronner G, Marchand J, Laverne C, Triboulet C (2002) Thrust and normal faulting in the Western Maures (SE France): evidence for geometric, kinematics and thermobarometry of the Cavalaire shear zone. Geol Fr 1:21-37.
8. Bellot JP, Triboulet C, Laverne C, Bronner G (2003) Evidence for two burial/exhumation stages during the evolution of the Variscan belt, as exemplified by P-T-t-d paths of metabasites in distinct allochtonous units of the Maures Massif (SE France). Int J Earth Sci 92:7-26.
9. Bouloton J, Goncalves P, Pin C (1998) Le pointement de péridotite à grenat-spinelle de La Croix-Valmer (Maures centrales): un cumulat d'affinité océanique impliqué dans la subduction éohercynienne? C R Acad Sci Paris 326:473-477.
10. Burg JP, Podladchikov Y (1999) Lithospheric scale folding: numerical modeling and application to the Himalayan syntaxis. Int J Earth Sci 88:190-200. doi:10.1007/s005310050259
11. Burg JP, Van den Driessche J, Brun JP (1994) Syn-to post-thickening extension in the Variscan belt of Western Europe: mode and structural consequences. Geol Fr 3:33-51.
12. Burg JP, Nievergelt P, Oberli F, Seward D, Davy P, Maurin JC, Zhizhong D, Meier M (1998) The Namche Barwa syntaxis: evidence for exhumation related to compressional crustal folding. J Asian Earth Sci 16:239-252. doi:10.1016/S0743-9547 (98)00002-6.
13. 39Ar. Ph.D. thesis, University of Montpellier, France.
14. Buscail F, Leyreloup AF (1999) The collisional regional metamorphism in the Maures and Tanneron (south of France) area. A critical review. EUG10 meeting, Strasbourg, France, 28 March-1. April, J Conf Abstr, Oxford.
15. Caruba C (1983) Nouvelles données pétrographiques, minéralogiques et géochmiques sur le massif métamorphique hercynien des Maures (Var, France): comparaison avec les segments varisques voisins et essais d'interprétation géotectonique. Doctorate thesis, University of Nice, France.
16. 39Ar evidence for the Middle Ordovician crustal thickening and Silurian-early Devonian exhumation of the internal Humber zone. Geol Soc Am Bull 113:144-160. doi:10.1130/0016-7606(2001)113\0144:TEOTSQ[2.0.CO;2.
17. 39Ar dating of shear zones in the Variscan basement of Greater Kabilia (Algeria). Evidence of an Eo-Alpine event at 128 Ma (Hauterivian-Barremian boundary): geodynamic consequences. Tectonophysics 306:97-116. doi: 10.1016/S0040-1951(99)00047-5.
18. Corsini M, Ruffet G, Caby R (2004a) Alpine and late-Hercynian geochronological constraints in the Argentera Massif (Western Alps). Ecol Geol Helv 97:3-15.
19. Corsini M, Bosse V, Demoux A, Billo S, Féraud G, Lardeaux JM, Rolland Y, Scharer U (2004b) Late orogenic HT-metamorphism and exhumation during ongoing convergence in the Hercynian Tanneron Massif France. Réunion des Sciences de la Terre, Strasbourg.
20. Costa S, Rey P (1995) Lower crustal rejuvenation and growth during post-thickening collapse: insights from a crustal cross section through a Variscan metamorphic core complex. Geology 23:905-908. doi:10.1130/0091-7613(1995)023\0905:LCRAGD[2.3.CO;2.
21. Crevola G (1977) Etude pétrographique et structurale de la partie orientale du massif du Tanneron (Provence cristalline). Doctorate thesis, University of Nice, France.
22. Crevola G, Pupin J-P (1994) Crystalline provence: structure and variscan evolution. In: Keppie JD (ed) Pre-mesozoic geology in France and related areas. Springer, Berlin, pp 426-441.
23. Crevola G, Pupin JP, Toutin-Morin N (1991) La Provence varisque: structure et évolution géologique anté-triasique. Sci Geol Bull 44:287-310.
24. Dalrymple GB (1979) Critical tables for conversion of K-Ar ages from old to new constants. Geology 7(11):558-560. doi:10.1130/ 0091-7613(1979)7\558:CTFCOK[2.0.CO;2.
25. Del Moro A, Di Simplicio P, Ghezzo C, Guasparri G, Rita F, Sabatini G (1975) Radiometric data and intrusive sequence in northern Sardinian batholith. Neues Jahrb Miner Abh 126:28-44.
26. Demoux A, Scharer U, Corsini M (2008) Variscan evolution of the Tanneron Massif, SE-France, examined through U-Pb monazite ages. J Geol Soc Lond 165:467-478.
27. 39Ar laser analysis of the Variscan basement of Sardinia (Italy). J Petrol 45:1013-1043. doi:10.1093/petrology/egh002.
28. 39Ar ages of white micas from low-grade mylonites. Chem Geol 143:181-203. doi:10.1016/S0009-2541(97)00113-7.
29. 39Ar dating of white micas. Geology 19:1213-1216. doi:10.1130/0091-7613(1991)019 \1213:AODFKA[2.3.CO;2.
30. Echtler H, Malavielle J (1990) Extensional tectonics, basement uplift and Stephano-Permian collapse basin in a late Variscan metamorphic core complex (Montagne Noire, Southern Massif Central). Tectonophysics 177:125-138. doi:10.1016/0040-1951 (90)90277-F.
31. Faure JF (1995) Late orogenic Carboniferous extensions in the Variscan French Massif Central. Tectonics 14:132-153. doi:10. 1029/94TC02021.
32. 39Ar and Rb-Sr isotopic constraints on the Hercynian syn-orogenic extension. Int J Earth Sci 91:53-75. doi:10.1007/ s005310100202.
33. Ferrara G, Ricci CA, Rita F (1978) Isotopic ages and tectonometamorphic history of the metamorphic basement of North-eastern Sardinia. Contrib Miner Petrol 68:99-106. doi:10.1007/ BF00375451.
34. Gardien V, Lardeaux JM, Ledru P, Allemand P, Guillot S (1997) Metamorphism during the late orogenic extension: insights from the French Variscan belt. Bull Soc Geol Fr 168(3):271-286.
35. Harrison TM, Clarke GKC (1979) A model of the thermal effects of igneous intrusion and uplift as supplied to Quottoon pluton, British Columbia. Can J Earth Sci 6:411-420.
36. Innocent C, Michard A, Guerrot C, Hamelin B (2003) U-Pb zircon age of 548 Ma for the leptynites (high-grade felsic rocks) of the central part of the Maures Massif. Geodynamic significance of the so-called leptyno-amphibolitic complexes of the Variscan belt of western Europe. Bull Soc Geol Fr 174:585-594. doi: 10.2113/174.6.585.
37. Jerabek P, Faryadi WS, Schulmann K, Lexa O, Tajcmanova L (2008) Alpine burial and heterogeneous exhumation of Variscan crust in the West Carpathians: insight from thermodynamic and argon diffusion modelling. J Geol Soc Lond 165:479-498.
38. Le Marrec A (1976) Reconnaissance pétrographique et structurale des formations cristallophylliennes catazonales du Massif de Sainte-Maxime (quart NE du massif varisque des Maures, Var, France). Thesis, University of Aix-Marseille III.
39. Mahéo G, Pêcher A, Guillot S, Rolland Y, Delacourt C (2004) Exhumation of Neogene gneiss domes between oblique crustal boundaries in south Karakorum (northwest Himalaya, Pakistan). Geol Soc Am Special paper 380:141-154.
40. Malavieille J (1993) Late orogenic extension in mountain belts: insights from the Basin and Range and the late Paleozoic Variscan belt. Tectonics 12:1115-1130. doi:10.1029/93TC01129.
41. 87Sr du massif granitique de Plan-de-la-Tour (Maures). C R Acad Sci Paris 274:520-523.
42. Maquil R (1976) Contribution à l'étude pétrographique et structurale de la région SE du massif des Maures (Var, France). Ann Soc Geol Belg 99:601-613.
43. Matte P (2001) The variscan collage and orogeny (480-290 Ma) and the tectonic definition of the Armorica microplate: a review. Terra Nova 13:117-121. doi:10.1046/j.1365-3121.2001.00327.x.
44. 39Ar method. Oxford University Press, New York.
45. 40 sur le socle anté-Permien du massif de l'Argentera-Mercantour (Alpes-Maritimes, France). Bull Soc Geol Fr 7:247-257.
46. Morillon AC (1997) Etude thermo-chronométrique appliquée aux exhumations et contexte orogénique: le Massif des Maures (France) et Les Cordillères Bétiques (Espagne). Thesis, University of Nice, pp 289.
47. 39Ar study. Tectonophysics 321:103-126. doi:10.1016/S0040-1951(00)00076-7.
48. Moussavou M (1998) Contribution à l'histoire thermo-tectonique Varisque du Massif des Maures, par la typologie du zircon et la géochronologie U/Pb sur minéraux accessoires. Thesis, Montpellier, 179.
49. 39Ar geochronology of a micaceous mylonite: an example of defect-enhanced argon loss. Contrib Miner Petrol 142:738-752.
50. Odin C, Odin GS (1990) Echelle numérique des temps géologiques, Géochronique 35.
51. Onezime J, Faure M, Crevola G (1999) Petro-structural analysis of the Rouet-Plan-de-la-Tour granitic complex (Maures and Tanneron Massifs, Var, France). C R Acad Sci 328(11):773-779.
52. Paquette JL, Ménot RP, Peucat JJ (1989) REE, Sm-Nd and U-Pb zircon study of eclogites from the Alpine external Massifs (Western Alps): evidence for crustal contamination. Earth Planet Sci Lett 96:181-189. doi:10.1016/0012-821X(89)90131-3.
53. Paquette JL, Ménot RP, Pin C, Orsini JB (2003) Episodic and short-lived granitic pulses in a post-collisional setting: evidence from precise U-Pb zircon dating through a crustal cross-section in Corsica. Chem Geol 198:1-20. doi:10.1016/S0009-2541(02) 00401-1.
54. 39Ar standards. Geochim Cosmochim Acta 47:887-898. doi:10.1016/ 0016-7037(83)90154-0.
55. Roubault MP, Bordet FL, Sonet J, Zimmermann JL (1970) Ages absolus des formations cristallophylliennes des Massifs des Maures et du Tanneron. C R Acad Sci 271:1067-1070.
56. Rubatto D, Schaltegger U, Lombardo B, Colombo F, Compagnoni R (2001) Complex Paleozoic magmatic and metamorphic evolution in the Argentera Massif (Western Alps) resolved with U-Pb dating. Schweizerische Minér Petrogr 81:213-228.
57. 39Ar conventional and laser dating of biotites from the North Tregor Batholith. Geochim Cosmochim Acta 55:1675-1688. doi: 10.1016/0016-7037(91)90138-U.
58. Seyler M (1975) Pétrologie et lithostratigraphie des formations cristallophylliennes dans la chaîne de la Sauvette (Maures, Var, France). Thesis, Université of Nice.
59. Seyler M (1982) Caractères pétrographiques et chimiques des métagabbros de la partie centrale du massif des Maures (Var). Bull Soc Geol Fr 24:717-725.
60. Sleep NH (1979) A thermal constraint on the duration of folding with references to Acadian geology, New England (USA). J Geol 87:583-589.
61. Soula JC, Debat P, Brusset S, Bessière G, Christophoul F, Déramond J (2001) Thrust-related, diapiric, and extensional doming in a frontal orogenic wedge: example of the Montagne Noire, Southern French Hercynian belt. J Struct Geol 23:1677-1699. doi:10.1016/S0191-8141(01)00021-9.
62. Steiger RH, Jäger E (1977) Submission on geochronology: convention in the use of decay constants in geo and cosmochronology. Earth Planet Sci Lett 36:359-362. doi:10.1016/0012-821X (77)90060-7.
63. Toutin-Morin N, Crevola G, Giraud JD, Brocard C, Dardeau G, Bulard PF, Dubar M, Meinesz A, Bonijoly D (1994) Carte géologique Fréjus-Cannes à 1/50 000, 2ème édn (1024) carte et notice. BRGM Orléans.
64. 39Ar ages and cosmic ray exposure ages of Apollo 14 samples. Earth Planet Sci Lett 12:19-35. doi:10.1016/0012-821X(71)90051-3.
65. Vauchez A, Bufalo M (1985) La limite Maures occidentales-Maures orientales (Var, France): un décrochement majeur entre deux provinces structurales très contrastées. C R Acad Sci Paris 301(14):1059-1062.
66. Vauchez A, Bufalo M (1988) Charriage crustal, anatexie, et décrochements ductiles dans les Maures orientales (Var, France) au cours de l'orogenèse varisque. Geol Rundsch 77:45-62. doi: 10.1007/BF01848675.
67. Villa IM (1998) Isotopic closure. Terra Nova 10:42-47. doi: 10.1046/j.1365-3121.1998.00156.x.
68. Whitney DL, Teyssier C, Heizler MT (2007) Gneiss domes, metamorphic core complexes, and wrench zones: thermal and structural evolution of the Nigde Massif, central Anatolia. Tectonics 26:1-23. doi:10.1029/2006TC002040.