SHRIMP dating of zircons in eclogite from the Variscan basement in north-eastern Sardinia (Italy)

Neues Jahrbuch fur Mineralogie, Monatshefte

Volumn , Issue 6, 2004, Pages 275-288

  Palmeri, Rosaria ^a   Fanning, Mark ^b   Franceschelli, Marcello ^c   Memmi, Isabella ^a   Ricci, Carlo Alberto ^a  

^a UNIVERSITY OF SIENA   (Italy)

^b AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^c UNIVERSITY OF CAGLIARI   (Italy)

Author keywords

Eclogite; Sardinia; SHRIMP II U Pb dating; Variscan orogeny; Zircon

Indexed keywords

CATHODOLUMINESCENCE; ECLOGITE; GEOCHRONOLOGY; HERCYNIAN OROGENY; PALEOZOIC; SHRIMP DATING; ZIRCON;

EURASIA; EUROPE; ITALY; SARDINIA; SOUTHERN EUROPE;

EID: 3042778518     PISSN: 00283649     EISSN: None     Source Type: Journal    
DOI: 10.1127/0028-3649/2004/2004-0275     Document Type: Article

References (29)

1. BARD, J. P., BURG, J. P., MATTE, PH. & RIBEIRO, A. (1980): La chaine Hercynienne d'Europe occidentale en termes de tectonique des plaques. - In: COGNÉ, J. & SLANSKY, M. (eds.): Géologie de l'Europe; Memoires Bureau de Recherches Geologiques et Minieres 108: 233-246.
2. CAPPELLI, B., CARMIGNANI, L., CASTORINA, F., DI PISA, A., OGGIANO, G. & PETRINI, R. (1992): A Hercynian suture zone in Sardinia: geological and geochronological evidence. - Geodinamica Acta 5: 101-118.
3. CARMIGNANI, L., BARCA, S., CAPPELLI, B., DI PISA, A., GATTIGLIO, M., OGGIANO, G. & PERTUSATI, P. C. (1992): A tentative geodynamic model for the Hercynian basement of Sardinia. - IGCP project n. 276, Newsletter 5: 61-82.
4. COCOZZA, T. (1974): Structural pattern of Sardinia. - In: Consiglio Nazionale delle Ricerche (ed.): Structural pattern of Italy. Quaderni della ricerca Scientifica, 90, Roma, pp. 607-642.
5. COMPSTON, W., WILLIAMS, I. S., KIRSCHVINK, J. L., ZHANG, Z. & MA, G. (1992): Zircon U-Pb ages for the Early Cambrian time-scale. - J. Geol. Soc. London 149: 171-184.
6. FAURE, M., LELOIX, C. & ROIG, J. Y. (1997): L'évolution polycyclique de la chaîne hercynienne. - Bull. Soc. Géol. de France 6: 695-705.
7. FERRARA, G., RICCI, C. A. & RITA, F. (1978): Isotopic ages and tectonometamorphic history of the metamorphic basement of north-eastern Sardinia. - Contrib. Miner. Petrol. 68: 99-106.
8. FRANCESCHELLI, M., CARCANGIU, G., CARELLA, A. M., CRUCIANI, G., MEMMI, I. & ZUCCA, M. (2002): Transformation of cumulate mafic rocks to granulite and re-equilibration in amphibolite and greenschist facies in NE Sardinia, Italy. - Lithos 63: 1-18.
9. FRANCESCHELLI, M., MEMMI, I., ELTRUDIS, A., PALMERI, R. & CARCANGIU, G. (1998): Multi-stage metamorphic re-equilibration in eclogitic rocks from the Hercynian basement of NE Sardinia (Italy). - Miner. Petrol. 62: 167-193.
10. FRANCESCHELLI, M., MEMMI, I., PANNUTI, F. & RICCI, C. A. (1989): Diachronous metamorphic equilibria in the Hercynian basement of northern Sardinia. - In: DALY, J. S., CLIFF, R. A. & YARDLEY, B. W. D. (eds.): Evolution of metamorphic belts. Geol. Soc., London, Spec. Publ. 43: 371-375.
11. GIACOMINI, F., BOMPAROLA, R. M. & GHEZZO, C. (2003): Petrology and high-precision in situ geochronology of the migmatite-eclogite terrains from Golfo Aranci (NE Sardinia). New important data to unrevel the evolution of the southern Variscides. - Geoitalia, Forum FIST, Abs. 223-224.
12. HELBIG, H., FRISCH, W. & TIEPOLO, M. (2003): Ordovician magmatic belt upon pre-Variscan basement in the internal sardinian Variscides. - Geoph. Res. Abs. 5, 04651.
13. HOSKIN, P. W. O. & BLACK, L. P. (2000): Metamorphic zircon formation by solid-state recrystallization of protolith igneous zircon. - J. Metam. Geol. 18: 423-439.
14. LUDWIG, K. R. (2000): SQUID 1.00, A user's manual; Berkley Geochronology Center special publication, 2, 2455 Ridge Road, Berkley, CA 94709, USA.
15. MATTE, PH. (1986): La chaine varisque parmi les chaines paléozoiques péri atlantiques, modéle d'évolution et position des blocs continentaux au Permo-Carbonifére. - Bull. Soc. Géol. de France 8: 9-24.
16. MILLER, L., SASSI, F. P. & ARMARI, G. (1976): On the occurrence of altered eclogitic rocks in north-eastern Sardinia and their implications. - N. Jb. Geol. Paleont. 11: 683-689.
17. O'BRIEN, P. J. (2001): The fundamental Variscan problem: high-temperature metamorphism at different depths and high-pressure metamorphism at different temperatures. - In: FRANKE, W., HAAK, V., ONKEN, O. & TANNER, D. (eds.): Orogenic Processes: quantification and modeling in the Variscan Belt. - Geol. Soc., London, Spec. publ. 179: 369-386.
18. O'BRIEN, P. J., MENDIA, M., GIRARDEAU, J. & PEUCAT, J. J. (1990): Petrology of eclogites and clinopyroxene-garnet metabasites from the Cabo Ortegal complex (northwest Spain). - Lithos 25: 133-162.
19. ORDONEZ CASADO, B., GEBAUER, D., SCHAFER, H. J., IBARGUCHI, J. I. G. & PEUCAT, J. J. (2001): A single Devonian subduction event for the HP/HT metamorphism of the Cabo Ortegal complex within the Iberian Massif. - Tectonophysics 332: 359-385.
20. PACES, J. B. & MILLER, J. D. (1993): Precise U-Pb ages of Duluth Complex and related mafic intrusions, northeastern Minnesota: geochronological insights to physical, petrogenetic, paleomagnetic, and tectonomagmatic process associated with the 1.1 Ga Midcontinent Rift System. - J. Geoph. Res. 98: 13,997-14,013.
21. PIDGEON, R. T. (1992): Recrystallisation of oscillatory zoned zircon: some geochronological and petrological implications. - Contrib. Miner. Petrol. 110: 463-472.
22. PIDGEON, R. T., NEMCHIN, A. A. & HITCHEN, G. J. (1998): Internal structures of zircons from Archean granites from the Darling Range batholith: implications for zircon stability and the interpretation of zircon U-Pb ages. - Contrib. Miner. Petrol. 132: 288-299.
23. STAMPFLI, G. M. & BOREL, G. D. (2002): A plate tectonic model for the Paleozoic and Mesozoic constrained by dynamic plate boundaries and restored synthetic oceanic isochrons. - Earth Planet. Sci. Lett. 196: 17-23.
24. RICCI, C. A. (1992): From crustal thickening to exhumation: petrological, structural and geochronological records in the crystalline basement of northern Sardinia. - IGCP project n. 276, Newsletter 5: 187-198.
25. RUBATTO, D. (2002): Zircon trace element geochemistry: partitioning with garnet and the link between U-Pb ages and metamorphism. - Chem. Geol. 184: 123-138.
26. SCHALTEGGER, U., GEBAUER, D. & QUADT, A. VON (2002): The mafic - ultramafic rock association of Loderio-Biasca (lower Pennine nappes, Ticino, Switzerland): Cambrian oceanic magmatism and its bearing on early Paleozoic paleogeography. - Chem. Geol. 186: 265-279.
27. TERA, F. & WASSERBURG, G. (1972): U-Th-Pb systematics in three Apollo 14 basalts and the problem of initial Pb in lunar rocks. - Earth Planet. Sci. Lett. 14: 281-304.
28. WESTPHAL, M., BARDON, C., BOSSERT, A. & HAMZEH, R. (1973): A computer fit of Corsica and Sardinia against Southern France. - Earth Planet. Sci. Lett. 18: 137-140.
29. WILLIAMS, I. S. (1998): U-Th-Pb geochronology by ion microprobe. - In: MCKIBBEN, M. & SHANKS, W. C. (eds.): Applications of microanalytical techniques to understanding mineralizing processes. - Reviews in Econ. Geol. 7: 1-35.