Trace- and major-element zoning in garnet: A case study in the pelitic schists of NE Sardinia (Italy)

Neues Jahrbuch fur Mineralogie, Monatshefte

Volumn , Issue 8, 2002, Pages 337-351

  Franceschelli, Marcello ^a   Memmi, Isabella ^b   Ottolini, Luisa ^c   Vannucci, Riccardo ^c  

^a Dipartimento Scienze della Terra   (Italy)

^b UNIVERSITY OF SIENA   (Italy)

^c CNR   (Italy)

Author keywords

Garnet; Major and REE zoning; P T conditions; Pelitic schist; Sardinian chain; SIMS

Indexed keywords

GARNET; GEOCHEMISTRY; METAMORPHISM; P-T CONDITIONS; SCHIST; ZONATION;

EURASIA; EUROPE; ITALY; SARDINIA; SOUTHERN EUROPE;

EID: 0036368174     PISSN: 00283649     EISSN: None     Source Type: Journal    
DOI: 10.1127/0028-3649/2002/2002-0337     Document Type: Article

References (29)

1. ANDERS, E. & EBIHARA, M. (1992): Solar system abundances of the elements. - Geochim. Cosmochim. Acta 46: 2363-2380.
2. 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. - In: CARMIGNANI, L. & SASSI, F. P. (eds.): Contributions to the Geology of Italy with special regard to the Paleozoic basement. A volume dedicated to Tommaso Cocozza. IGCP No 276, Newsletter 5: 61-82.
3. CYGAN, R. T. & LASAGA, A. C. (1985): Crystal growth and the formation of chemical zoning in garnets. - Contrib. Miner. Petrel. 79: 187-200.
4. FERRARA, G., RITA, F. & RICCI, C. A. (1978): Isotopic age and tectono-metamorphic history of the metamorphic basement of north-eastern Sardinia. - Contrib. Miner. Petrol. 68: 99-106.
5. FRANCESCHELLI, M., MELLINI, M., MEMMI, I. & RICCI, C. A. (1986): Fine-scale chlorite muscovite association in low grade metapelites from Nurra (NW Sardinia) and the possible misidentification of metamorphic vermiculite. - Contrib. Miner. Petrol. 93: 137-143.
6. 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., YARDELY, B. W. D. (eds.): Evolution of metamorphic Belts Geol. Sec. Special Publ. 43: 371-375.
7. FRANCESCHELLI, M., MEMMI, I. & RICCI, C. A. (1982): Ca distribution between garnet and plagioclase in pelitic and psammitic schists from the metamorphic basement of north-eastern Sardinia. - Contrib. Miner. Petrol. 80: 285 -295.
8. FRANCESCHELLI, M., MEMMI, I. & RICCI, C. A. (1982 a): Zoneografia metamorfica della Sardegna. - In: Guida alla geologia del Paleozoico sardo. Boll. Soc. Geol. Ital. 1: 37-149.
9. FREER, R. (1981): Diffusion in silicate minerals and glasses: A data digest and guide to the literature. - Contrib. Miner. Petrol. 76: 440-454.
10. HICKMOTT, D. D. & SHIMIZU, N. (1990): Trace elements zoning in garnet from the Kwoiek area, British Columbia: disequilibrium partitioning during garnet growth? - Contrib. Miner. Petrol. 107: 619-630.
11. HICKMOTT, D. D. & SPEAR, F. (1992): Major- and Trace-elements zoning in garnets from calcareous pelites in the NW Shelbiume Falls Quadrangle, Massachusetts: Garnet growth histories in retrograded rocks. - J. Petrol. 33: 965 -1005.
12. HICKMOTT, D. D., SHIMUZU, N., SPEAR, F. & SELVERSTONE, J. (1987): Trace-element zoning in a metamorphic garnet. - Geology 15: 573-578.
13. HIROI, Y. & ELLIS, D. J. (1994): Preservation of Ca, P and REE growth zonation patterns in garnets which have undergone partial Fe, Mg and Mn volume diffusion reequilibration: examples from Japan and Sri Lanka. - EOS, 185-186.
14. KRETZ, R. (1983): Symbols for rock forming minerals. - Amer. Miner. 68: 277-279.
15. LANZIROTTI, A. (1995): Yttrium zoning in metamorphic garnets. - Geochim. Cosmochim. Acta 59: 4105-4110.
16. PAN, Y. (1997): Zircon- and monazite-forming metamorphic reaction at Maintouwadge, Ontario. - Can. Miner. 35: 105 -118.
17. POWELL, R. & HOLLAND, T. J. B. (1998): An internal consistent thermodinamic data set for phases of petrological interest. - J. metamorphic Geology 16: 309-343.
18. PYLE, J. M. & SPEAR, F. S. (1999): Yttrium zoning in garnet: coupling of major and accessory phases during metamorphic reactions. - Geol. Mat. Research 1: 1-49.
19. PYLE, J. M. & SPEAR, F. S. (2000): An empirical garnet (YAG)-xenotime thermometer. - Contrib. Miner. Petrol. 138: 51-58.
20. RICCI, C. A. (1992): From crustal thickening to exhumation: petrological structural and geochronological records in the crystalline basement of northern Sardinia. - In: CARMIGNANI, L. & SASSI, F. P. (eds.): Contributions to the Geology of Italy with special regard to the Paleozoic basement. A volume dedicated to Tommaso Cocozza. IGCP No 276. Newsletter 5: 61-82.
21. SANTOS DE LIMA, E., VANNUCCI, R., BOTTAZZI, P. & OTTOLINI, L. (1995): Reconnaissance study of trace element zonation in garnet from the Central Structural Domain, northeastern Brazil: an example of polymetamorphic growth. - J. South Amer. Eanh Sciences 8: 315-324.
22. SPEAR, F. S. & KOHN, M. J. (1996): Trace element zoning in garnet as a monitor of dehydration melting in pelites. - Geology 24: 1009-1102.
23. SPEAR, F. S. & SELVERSTONE, J. (1983): Quantitative P-T paths from zoned minerals: Theory and tectonic applications. - Contrib. Miner. Petrol. 83: 348-357.
24. TRACY, R. J. (1982): Compositional zoning and inclusions in metamorphic minerals. - In: FERRY, J. M. (ed.): Characterization of metamorphism trough mineral equilibria. - Miner. Soc. Amer. Rev. Miner. 10: 355-397.
25. TRACY, R. J., ROBINSON, P. & THOMPSON, A. B. (1976): Garnet composition and zoning in the determination of temperature and pressure of metamorphism, central Massachusetts. - Amer. Miner- 61: 762-775.
26. WOODSWORTH, G. J. (1977): Homogenization of zoned garnet from pelitic schists.- Can. Miner. 15: 230-242.
27. YANG, P., RIVERS, T. & JACKSON, S. (1999): Crystal-chemical and thermal controls on trace-elements partitioning between coexisting garnet and biotite in metamorphic rocks from western Labrador. - Can. Miner. 37: 443-468.
28. YANG, P. & RIVERS, T. (2000): Trace element partitioning between coexisting biotite and muscovite from metamorphic rocks, western Labrador: structural, compositional, and thermal controls. - Geochim. Cosmochim. Acta 64: 1451-1472.
29. YARDLEY, B. W. D. (1977): An empirical study of diffusion in garnet. - Amer. Miner. 62: 793-800.