The Lanzo South peridotite: Melt/Peridotite interaction in the mantle lithosphere of the Jurassic Ligurian Tethys

Ofioliti

Volumn 29, Issue 1, 2004, Pages 37-62

  Piccardo, Giovanni B ^a   Müntener, Othmar ^b   Zanetti, Alberto ^c   Romairone, Anna ^a   Bruzzone, Stefano ^a   Poggi, Eugenio ^a   Spagnolo, Gianluca ^c  

^a UNIVERSITY OF GENOA   (Italy)

^b UNIVERSITY OF NEUCHÂTEL   (Switzerland)

^c CNR   (Italy)

Author keywords

Lanzo south; Melt migration; Melt peridotite interaction; Ophiolitic peridotites; Thermochemical erosion of mantle lithosphere; Western alps

Indexed keywords

EID: 16444384785     PISSN: None     EISSN: 03912612     Source Type: Journal    
DOI: None     Document Type: Article

References (64)

1. Asimow P.D., 1999. A model that reconciles major- and trace-element data from abyssal peridotites. Earth and Planetary Science Letters, 16: 303-319.
2. Baker M.B. and Beckett J.R., 1999. The origin of abyssal peridotite: a reinterpretation of constraints based on primary bulk composition. Earth. Planet Sci. Letters, 171: 49-61.
3. Beccaluva L., and Piccardo G.B., 1978. Petrology of the Northern Apennine ophiolites and their significance in the Western Mediterranean area, in, Closs H., Roeder D. and Schmidt K. eds., Alps, Apennines, Hellenides, Inter-Union Commission on Geodynamics, Scientific Report n. 38, E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart, pp. 243-254.
4. Beccaluva L., Macciotta G., Piccardo G.B., and Zeda O., 1984. Petrology of lherzolitic rocks from the Northern Apennine ophiolites. Lithos, 17: 299-316.
5. Bedini R.M., Bodinier J-L. and Vernieres J., 2002. Numerical simulation of Mg-Fe partitioning durino melting and melt-rock interactions in the shallow upper mantle. Orogenic Lherzolite Conference Abstract Volume, Japan 2002.
6. Bill M., Nagler T.F. and Masson H., 2000. Major, minor, trace element, Sm-Nd and Sr isotope compositions of mafic rocks from the earliest oceanic crust of the Alpine Tethys. Schweizerische Mineralogische und Petrographische Mitteilungen, 80: 131-145.
7. Bodinier J.L., Giraud M., Dupuy C. and Dostal J., 1986. Geochemistry of basic dykes in the Lanzo Massif (W.A.). Tectonophysics, 128: 77-95.
8. Bodinier J.L., 1988. Geochemistry and petrogenesis of the Lanzo peridotite body, Western Alps. Tectonophysics, 149: 67-88.
9. Bodinier J.L., Menzies M.A., and Thirlwall M.F., 1991. Continental to Oceanic Mantle Transition: REE and Sr-Nd Isotopic Geochemistry of the Lanzo Lherzolite Massif. Journal of Petrology (Special Lherzolite Issue), pp. 191-210.
10. Boudier F. and Nicolas A., 1972. Fusion partielle gabbroïque dans la lherzolite de Lanzo (Alpes piémontaises). Schweizerische Mineralogische und Petrographische Mitteilungen, 52: 39-56.
11. Boudier F., 1976. Le massif lherzolitique de Lanzo (Alpes piémontaises). Etude structurale et Pétrologique. Thèse de doctorat d'état, University of Nantes, 175 pp.
12. Boudier F. and Nicolas A., 1977. Structural controls on partial melting in the Lanzo peridotites. Oregon Dept. Geol. Mineral. Ind., 96: 63-78.
13. Boudier F., 1978. Structure and petrology of the Lanzo peridotite massif (Piedmont Alps). Geological Society of America Bulletin, 89: 1574-1591.
14. Bruzzone S., 2004. Studio petrologico e geochimico delle peridotiti del Massiccio di Lanzo Sud (Alpi Occidentali). (Ph.D. thesis) University of Genova, Italy, 185pp.
15. Cannat M., and Casey J.F., 1995. An ultramafic lift at the Mid-Atlantic Ridge: successive stages of magmatism in serpentinized peridotites from the 15°N region, in Mantle and Lower Crust Exposed in Oceanic Ridges and in Ophiolites (edited by Vissers, R.L.M. & Nicolas, A.). Kluwer Academic Publishers, The Netherlands, 5-34.
16. Cannat M., Chatin F., Whitechurch H., and Ceuleneer G., 1997. Gabbroic rocks trapped in the upper mantle at the mid-atlantic ridge. in Proceedings of the Ocean Drilling Program, Scientific Results (edited by Karson, J.A., Cannat, M., Miller, D.J. & Elthon, D.), 153: 243-264..
17. Compagnoni R., Radicati F. and Sandrone R., 1984. Kaersutitebearing mylonitic gabbros from the Lanzo peridotite (Western Italian Alps). Geol. Mijnbouw, 63: 189-196.
18. Decandia F.A., and Elter P., 1969. Riflessioni sul problema delle ofioliti nell'Appennino Settentrionale (Nota preliminare). Atti della Società Toscana di Scienze Naturali, 75: 1-9.
19. Decandia F.A., and Elter P., 1972. La "zona" ofiolitifera del Bracco nel settore compreso fra Levanto e la Val Graveglia (Appennino ligure). Memorie della Società Geologica Italiana, 11: 503-530.
20. De Paolo D.J., 1981. Trace element and isotopic effects of combined wall rock assimilation and fractional crystallization: Earth and Planetary Science Letters, 53: 189-202.
21. Dewey J.F., Pittman W.C., Ryan W.B.F. and Bonnin, J., 1973. Plate tectonics and the evolution of the alpine system. Geological Society of America Bulletin, 84 (3): 137-3180.
22. Desmurs L., Müntener O., and Manatschal G., 2002. Onset of magmatic accretion within magma-poor passive margin: A case study from the Err-Platta ocean-continent transition, Eastern Switzerland. Contributions to Mineralogy and Petrology, 144: 365-382.
23. Dick H.J.B., and Bullen T., 1984. Chromian spinel as a petrogenetic indicator in abyssal and alpine-type peridotites and spatially associated lavas. Contributions to Mineralogy and Petrology, 86: 54-76.
24. Dick H.J.B., 1989. Abyssal peridotites, very slow spreading ridges and ocean ridge magmatism, in, Magmatism in the Ocean Basins (edited by Saunders, A.D., and Norry, M.J.,). Geological Society of London Special Publication, 42: 71-105.
25. Elthon D., 1992. Chemical trends in abyssal peridotites: Refertilization of depleted suboceanic mantle. Journal of Geophysical Research, 97: 9015-9025.
26. Froitzheim N., and Manatschal G., 1996. Kinematics of Jurassic rifting, mantle exhumation, and passive-margin formation in the Austroalpine and Penninic nappes (eastern Switzerland). Geological Society of America Bulletin, 108: 1120-1133.
27. Hirose K. and Kushiro I., 1993. Partial melting of dry peridotites at high pressures: determination of compotions of melts segregated from peridotite using aggregates of diamonds. Earth and Planetary Science Letters, 114: 477-489.
28. Hofmann W.A., 1988. Chemical differentiation of earth: the relationship between mantle, continental crust and oceanic crust. Earth and Planetary Sc.,90: 297-314.
29. Hoogerduijn-Strating E.H., Rampone E., Piccardo G.B., Drury M.R., and Vissers R.L.M., 1993. Subsolidus emplacement of mantle peridotites during incipient oceanic rifting and opening of the Mesozoic Tethys (Voltri Massif, NW Italy). Journal of Petrology, 34: 901-927.
30. Jaques A.L. and Green D.H., 1980. Anhydrous melting of peridotite at 0-15 Kb pressure and the genesis of tholeiitic basalts. Contrib. Mineral. Petrol., 73: 287-310.
31. Kaczmarek M.A., and Müntener O., 1998. Juxtaposition of melt migration and high-temperature shear zones (Lanzo, Italy). Abstract, Goldsmidt conference, Kopenhagen. Kelemen P.B., 1990. Reaction between ultramafic rock and fractionation basaltic magma I.phase relations, the origin of calc-alkaline magma series, and the formation of discordant dunite. Journal of Petrology, 31: 51-98.
32. Kelemen P.B., Whitehead J.A., Aharonov E., and Jordahl K.A., 1995. Experiments on flow focusing in soluble porous media, with applications to melt extraction from the mantle. Journal of Geophysical Research, 100: 475-496.
33. Kienast J.R., and Pognante U., 1998. Chloritoid-bearing assemblages in eclogitized metagabbros of the Lanzo peridotite body (Western Italian Alps). Lithos, 21 (1): 1-11 Lemoine M., Tricart P., and Boillot G., 1987. Ultramafic and gabbroic ocean floor of the Ligurian Tethys (Alps, Corsica, Apennines). In search of a genetic model: Geology, 15: 622-625.
34. Manatschal G., and Nievergelt P., 1997. A continent ocean transition recorded in the Err and Platta nappes (eastern Switzerland). Eclogae Geologicae Helvetiae, 90: 3-27.
35. 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 continentocean transition in the Western Tethys. Tectonophysics, 292: 43-66.
36. Müntener O., and Hermann J., 1996. The Val Malenco lower crust- upper mantle complex and its field relations (Italian Alps). Schweizerische Mineralogische und Petrographische Mitteilungen, 76: 475-500.
37. Müntener O., Hermann J. and Trommsdorff V. 2000. Cooling his-tory and exhumation of lower crust and upper mantle. (Malenco, Eastern Central Alps). Journal of Petrology, 41: 175-200.
38. Müntener O., and Piccardo G.B., 2003. Melt migration in ophiolites: the message from Alpine-Apennine peridotites and implications for embryonic ocean basins. Dilek, Y. & Robinson, P.T. (eds), 2003. Ophiolites in Earth History. Geological Society, London, Special Publication, 218: 69-89.
39. Müntener O., Desmurs L., Pettke T., Meier M. and Schaltegger U., 2003. Refertilization of mantle peridotite in Embryonic Ocean Basins: Trace element and Nd-isotopic evidence and implications for crust-mantle relationships. submitted to Earth and Planetary Science Letters.
40. Müntener O., Pettke T., Piccardo G.B., and Zanetti A., 2003. Formation of dunite conduits in the mantle: observations from the Lanzo peridotite in NW-Italy. Geophysical Research Abstracts, 5: 13331.
41. Müntener O., Pettke T., Desmurs L., Meier M. and Schaltegger U., 2004. Refertilization of mantle peridotite in embryonic ocean basins: trace element and nd isotopic evidence and implications for crust-mantle relationship. Earth and Planetary Science letters, 221: 293-308.
42. Nicolas A. and Dupuy C., 1984. Origin of ophiolitic and oceanic lherzolites. Tectonophysics, 110: 177-187.
43. Nicolas A., 1986. A melt extraction model based on structural studies in mantle peridotites. Journal of Petrology, 27: 999-1022.
44. Niu Y.,1997. Mantle melting and mantle extraction processes beneath ocean ridges: evidence from abyssal peridotites. Journal of Petrology, 38: 1047-1074.
45. Piccardo G.B., 1976. Petrologia del massiccio lherzolitico di Suvero (La Spezia). Ofioliti, 1: 279-317.
46. Piccardo G.B., 1977. Le ofioliti dell'areale ligure: petrologia ed ambiente geodinamico di formazione. Rendiconti Società Italiana di Mineralogia e Petrologia, 33: 221-252.
47. Piccardo G.B., Rampone E., and Vannucci R., 1990. Upper mantle evolution during continental rifting and ocean formation: evidence from peridotite bodies of the Western Alpine - Northern Apennine system. Mémoirs de la Société Géologique de la France, 156: 323-333.
48. Piccardo G.B., Rampone E., Vannucci R., and Cimmino F., 1994. Upper mantle evolution of ophiolitic peridotites from the Northern Apennin: petrological constraints to the geodynamic processes. Memorie della società Geologica Italiana, 48: 137-148.
49. Piccardo G.B., Rampone E. and Romairone A., 2002. Formation and composition of the oceanic lithosphere of the Ligurian Tethys: Inference from the Ligurian ophiolites. Ofioliti, 2: 145-161.
50. Piccardo G.B., 2003. Mantle processes during ocean formation: petrologic records in peridotites from the Alpine-Apennine ophiolites. Episodes, 26 (3): 193-200.
51. Piccardo G.B., Müntener O., Zanetti A.and Pettke T., 2004. Ophiolitic peridotites of the Alpine- Appenine system: mantle processes and geodynamic relevance. International Geology Review (in press).
52. Pognante U., Rösli U. and Toscani L., 1985. Petrology of ultramafic and mafic rocks from the Lanzo peridotite body (Western Alps). Lithos, 18: 201-214.
53. Quick J.E., 1981. The origin and significance of large, tabular dunite bodies in the Trinity peridotite, Northern California. Contributions to Mineralogy and Petrology, 78: 413-422.
54. Rampone E., Piccardo G.B., Vannucci R., Bottazzi P., and Ottolini L., 1993. Subsolidus reactions monitored by trace element partitioning: the spinel- to plagioclase-facies transition in mantle peridotites. Contributions to Mineralogy and Petrology, 115: 1-17.
55. Rampone E., Hofmann A.W., Piccardo G.B., Vannucci R., Bottazzi P., and Ottolini L., 1995. Petrology, mineral and isotope geochemistry of the External Liguride Peridotites (Northern Apennines, Italy). Journal of Petrology, 36: 81-105.
56. Rampone E., Hofmann A.W., and Raczek I., 1998. Isotopic contrasts within the Internal Liguride ophiolite (N.Italy): the lack of a genetic mantle-crust link. Earth and Planetary Science Letters, 163: 175-189.
57. Rampone E., and Piccardo G.B., 2000. The ophiolite-oceanic lithosphere analogue: new insights from the Northern Apennines (Italy), in: Ophiolites and oceanic crust: New insights from field studies and the ocean drilling program (edited by Dilek, Y., Moores, E.M., Elthon, D. & Nicolas, A.) 349. Geological Society of America Special Paper, Boulder, Colorado, pp. 21-34.
58. Seitz H.M., Altherr R., and Ludwig T., 1999. Partitioning of transition elements between orthopyroxene and clinopyroxene in peridotitic and websterititc xenoliths: New empirical geothermometers. Geochimica et Cosmochimica Acta, 63: 3967-3982.
59. Tartarotti P., Susini S., Nimis P., and Ottolini L., 2002. Melt migration in the upper mantle along the Romanche fracture zone (Equatorial Atlantic). Lithos, 63: 125-149.
60. Trommsdorff V., Piccardo G.B., and Montrasio A., 1993. From magmatism, through metamorphism to sea-floor emplacement of subcontinental Adria lithosphere during pre-Alpine rifting (Malenco, Italy). Schweizerische Mineralogische und Petrographische Mitteilungen, 73: 191-203.
61. 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.
62. Vernières L., Godard M., and Bodinier J.L., 1997. A plate model for the simulation trace element fractionation during partial melting amd magma transport in the Earth's upper mantle. Journal of Geophysical Research, 102 (B11): 24771-24784.
63. Xu Y-G., Menzies M., Thirlwall M.F., Huang X-L., Liu Y., and Chen X-M., 2003. "Reactive" harzburgites from Huinan, NE China: Products of the lithosphere-asthenosphere interaction during lithospheric thinning? Geochimica and Cosmochimica Acta, 67: 487-505.
64. Zanetti A., Piccardo G.B., Müntener O., and Pettke T., 2003. Melt impregnation in the Lanzo peridotite: a geochemical modelling of the compositional characteristics and evolution of the migrating melts. Geophysical Research Abstracts, 5: 11112.