Magmatic crystallisation of Cr-Al diopside and Al-Fe3+ diopside from the ancient alkaline basalts (Mt. Etna, Sicily)

European Journal of Mineralogy

Volumn 15, Issue 1, 2003, Pages 81-93

  Nazzareni, Sabrina ^a   Busà, Tiziana ^b   Cristofolini, Renato ^c  

^a UNIVERSITY OF PERUGIA   (Italy)

^b UNIVERSITY OF PADOVA   (Italy)

^c UNIVERSITY OF CATANIA   (Italy)

Author keywords

Alkali basalts; Clinopyroxene crystal chemistry; Etna; Geobarometry; Italy; Phase relations

Indexed keywords

ALKALINITY; BASALT; BINARY ALLOYS; CHROMIUM ALLOYS; CRYSTAL CHEMISTRY; FELDSPAR; IRON ALLOYS; OLIVINE; SEISMOLOGY; TEXTURES;

ALKALI BASALT; CLINOPYROXENES; ETNA; GEOBAROMETRY; ITALY; PHASE RELATION;

ALUMINUM ALLOYS;

BASALT; CLINOPYROXENE; CRYSTAL CHEMISTRY; CRYSTALLIZATION; DIOPSIDE; PETROGRAPHY; PHASE TRANSITION;

ITALY; MOUNT ETNA; SICILY;

EID: 0037284484     PISSN: 09351221     EISSN: None     Source Type: Journal    
DOI: 10.1127/0935-1221/2003/0015-0081     Document Type: Article

References (45)

1. Asimow, P.D. & Ghiorso, M.S. (1998): Algorithmic modifications extending MELTS to calculate subsolidus phase relations. Am. Mineral., 83, 1127-1131.
2. Atzori, P. & Lo Giudice, A. (1976): I pirosseni dell'Etna: Caratteri cristallochimici e implicazioni petrologiche. Rend. Soc. It. Mineral. Petrol., 32, 467-477.
3. Branca, S. & Catalano, S. (2000): Stratigraphical and morphological criteria for the reconstruction of UBSU in the peripheral area of Mt. Etna (Italy). Mem. Soc. Geol. It., 55, 381-388.
4. 11 augite. Am. Mineral., 86, 271-278.
5. Bureau, H., Métrich, N., Pineau, F., Semet, M.P. (1998): Magmaconduit interaction at Piton de la Fournaise volcano (Réunion Island); a melt and fluid inclusion study. J. Volcanol. Geotherm. Res., 84, 39-60.
6. Busà, T., Clocchiatti, R., Cristofolini, R. (1999): "Low P" and "high P" alkaline magmas from Mt. Etna: their origin and evolution from the study of mineralogy and chemistry of lavas and of olivine-trapped inclusions. Per. Mineral., 68, 163-183.
7. Busà, T. & Cristofolini, R. (2001): Rilevamento geo-petrografico delle vulcaniti esposte lungo le "Timpe" di Moscarello (basso versante orientale dell'Etna): evidenze di una migrazione dell'attività dei centri eruttivi. Boll. Soc. Geol. It., 120, 69-80.
8. Carampin, R. (1993): Misure di accuratezza e precisione della microsonda elettronica Cameca Camebax in condizioni analitiche di "routine" sullo standard Augite Kakanui (New Zeland). C.N.R. Centro di Studio per la Geodinamica Alpina, Padova, Rapp. Interno, 12, 2-10.
9. Condomines, M., Tanguy, J.C., Kieffer, G., Allègre, C.J. (1982): Magmatic evolution of a volcano studied by 230Th 238U disequilibrium and trace elements systematics: the Etna case. Geochim. Cosmochim. Acta. 46, 1379-1416.
10. Cristofolini, R., Fichera, R., Patanè, G. (1981): Osservazioni morfo-tettoniche sul versante occidentale dell'Etna. Geogr. Fis. Dinam. Quat., 4, 55-63.
11. Cristofolini, R., Puglisi, G., Scribano, V., Tranchina, A. (1987): Within and among flow petrological variations in a sample from dated eruptions of the last ten centuries on Mount Etna. Per. Mineral., 56, 1-24.
12. Dal Negro, A., Carbonin, S., Molin, G.M., Cundari, A., Piccirillo, E.M., (1982): Intracrystalline cation distribution in natural clinopyroxenes of tholeiitic, transitional, and alkaline basaltic rocks. In S.K. Saxena (Ed), "Advances in Physical Geochemistry", Vol. 2, Springer-Verlag, 117-150.
13. Dal Negro, A., Molin, G.M., Salviulo, G., Secco, L., Cundari, A., Piccirillo, E.M. (1989): Crystal chemistry of clinopyroxenes and its petrogenetic significance: a new approach. Int. Lithosphere Prog. Mid. Term. Conf., 80, 271-295.
14. Finocchiaro, S., (1995): Petrology of the succession of Etnean lavas with reference to ancient alkaline lavas. Plinius, 13, 73-78.
15. Frezzotti, M.L., Burke, E.A.J., De Vivo, B., Stefanini, B., Villa, I.M. (1992): Mantle fluids in pyroxenite nodules from Salt Lake Crater (Oahu, Hawaii). Eur. J. Mineral., 4, 1137-1153.
16. Frezzotti, M.L., De Vivo, B., Clocchiatti, R. (1991): Melt-mineral-fluid interactions in ultramafic nodules from alkaline lavas of Mount Etna (Sicily, Italy): melt and fluid inclusion evidence. J. Volcanol. Geotherm. Res., 47, 209-219.
17. Ghiorso, M.S. & Sack, R.O. (1995): Chemical mass transfer in magmatic process IV. A revised and internally consistent thermodynamic model for the interpolation and extrapolation of liquid-solid equilibria in magmatic systems at elevated temperatures and pressures. Contrib. Mineral. Petrol., 119, 197-212.
18. Gillot, P.Y., Kieffer, G., Romano, R. (1994): The evolution of Mount Etna in the light of potassium-argon dating. Acta Volcanol., 5, 81-87.
19. Hirn, A., Nicolich, R., Gallart, J., Laigle, M., Cernobori, L., ETNASEIS Scientific Group (1997): Roots of Etna volcano in faults of great earthquakes. Earth Planet. Sci. Lett., 148, 171-191.
20. Kamenetsky, V. & Clocchiatti, R. (1996): Primitive magmatism of Mt. Etna: insights from mineralogy and melt inclusions. Earth Planet. Sci. Lett., 142, 553-572.
21. Kohlstedt, D.L. & Goetze, C. (1976): Low-stress high temperature creep in olivine single crystal. J. Geophys. Res., 79, 2045-2051.
22. Le Bas, M.J., Le Maitre, R.W., Streckeisen, A., Zanettin, B. (1985): A chemical classification of volcanic rocks based on total alkali-silica diagrams. J. Petrol., 27, 745-450.
23. Manoli, S. & Molin, G.M. (1988): Crystallographic procedures in the study of experimental rocks: X-ray single-crystal structure refinement of C2/c clinopyroxene from Lunar 74275 high-pressure experimental basalt. Mineral. Petrol., 39, 187-200.
24. 2O-saturated basaltic-hawaiitic melts from Mt Etna: implications for open-system degassing of basaltic volcanoes. Geochim. Cosmochim. Acta., 62 (7), 1195-1205.
25. Morimoto, N. (1988): Nomenclature of pyroxenes. Mineral. Petrol., 39, 55-76.
26. Nazzareni, S., Molin, G.M., Peccerillo, A., Zanazzi, P.F. (1998): Structural and chemical variations in clinopyroxenes from the island of Alicudi (Aeolian Arc) and their implications for the conditions of crystallization. Eur. J. Mineral., 10, 291-300.
27. Nelson, S.T. & Montana, A. (1992): Sieve-textured plagioclase in volcanic rocks produced by rapid decompression. Am. Mineral., 77, 1242-1249.
28. Nimis, P. (1995): A clinopyroxene geobarometer for basaltic systems based on crystal structure modeling. Contrib. Mineral. Petrol., 121, 115-125.
29. Nimis, P. (1998): Clinopyroxene geobarometry of pyroxenitic xenoliths from Hyblean plateau (SE Sicily, Italy). Eur. J. Mineral., 10, 521-533.
30. Nimis, P. (1999): Clinopyroxene geobarometry of magmatic rocks. Part 2. Structural geobarometers for basic to acid, tholeiitic and midly alkaline magmatic systems. Contrib. Mineral. Petrol., 135, 62-74.
31. Nimis, P., Bertolo, S., Dal Negro, A., Mellini, M. (1996): Crystal chemistry and geobarometry of clinopyroxene in ancient and historical basic volcanic rocks from Mt. Etna (Sicily, Italy). Acta Vulcanol., 8(1), 63-71.
32. Nimis, P. & Ulmer, P. (1998): Clinopyroxene geobarometry of magmatic rocks Part 1: An expanded structural geobarometer for anhydrous and hydrous, basic and ultrabasic systems. Contrib. Mineral. Petrol., 133, 122-135.
33. North, A.C.T., Phillips, D.C., Matthews, F.S. (1968): A semi-empirical method of absorption correction. Acta Cryst., A24, 351-359.
34. Papike, J.J., Cameron, K., Baldwin, K. (1974): Amphiboles and pyroxenes: characterization of other than quadrilateral components and estimates of ferric iron from microprobe data. Geol. Soc. Am. Abstr. with Programs., 6, 1053-1054.
35. Romano, R. (1982): Succession of the volcanic activity in the Etnean area. Mem. Soc. Geol. It., 23, 28-48.
36. Rossi, G., Oberti, R., Dal Negro, A., Molin, G.M., Mellini, M. (1987): Residual electron density at the M2 site in C2/c clinopyroxenes: relationships with bulk chemistry and subsolidus evolution. Phys. Chem. Minerals, 14, 514-520.
37. Sachs, P.M. & Scribano, V. (1985): Mantle derived xenocrysts in ancient Etnean lavas. Per. Mineral., 54, 53-60.
38. Scribano, V. (1989): Petrology of some clinopyroxene-bearing nodules and megacrysts from ancient Etnean lavas. Rend. Soc. It. Mineral. Petrol., 43, 715-724.
39. Sharp, A.D.L., Davis, P.M., Gray, F. (1980): A low velocity zone beneath Mount Etna and magma storage. Nature, 287, 587-591.
40. Sheldrick, G.M. (1997): SHELXL. Program for crystal structure determination. Univ. of Gottingen, Germany.
41. Simonetti, A., Shore, M., Bell, K. (1996): Diopside phenocrysts from nephelinite lavas, Napak volcano, eastern Uganda: evidence for magma mixing. Can. Mineral., 34, 411-421.
42. Spadea, P. (1972): Alcalibasalti tra le lave antiche dell'Etna nell'area di Piedimonte Etneo, (Etna, NE). Rend. Soc. It. Mineral. Petrol., 28, 297-338.
43. Tanguy, J.C., Condomines, M., Kieffer, G. (1997): Evolution of the Mount Etna magma: constraints on the present feeding system and eruptive mechanism. J. Volcanol. Geotherm. Res., 75, 221-250.
44. Vaggelli, G., Giacobbe, A., De Vivo, B. (1996): Silicate-melt inclusions in clinopyroxenes from "prehistoric" transitional to alkaline etnean lavas: inferences on magma evolution processes. Acta Vulcanol., 8, 99-106.
45. Wass, S.Y. (1979): Multiple origins of clinopyroxenes in alkali basaltic rocks. Lithos, 12, 115-132.