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Monazite-(Ce)-huttonite solid solutions in granulite-facies metabasites from the Ivrea-Verbano Zone, Italy

Published online by Cambridge University Press:  05 July 2018

H.-J. Förster  and
D. E. Harlov
H.-J. Förster
Affiliation:
GeoForschungsZentrum Potsdam, Telegrafenberg, 14473 Potsdam, Germany
D. E. Harlov
Affiliation:
GeoForschungsZentrum Potsdam, Telegrafenberg, 14473 Potsdam, Germany
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Abstract

Composite populations of monazite-group minerals of both metamorphic and metasomatic origin have been discovered in thin layers of granulite-facies metabasites interlayered with metapelites, located in the Val Strona di Omegna region of the Ivrea-Verbano Zone, Italy. In addition to monazite-(Ce), which is uncommonly poor in Th and is probably formed by incongruent dissolution of apatite, these populations include members of the monazite-huttonite series. The latter minerals contain between 13 and 30.1 mol.% ThSiO4 [= huttonitic monazite-(Ce)], and are known from only half a dozen other occurrences worldwide. We propose that breakdown of primary monazite-(Ce) in the metapelites during granulite-facies metamorphism mobilized Th and the REEs, which were then transported by high-grade metamorphic fluids into the metabasite layers to form the Th-rich minerals of the monazite-huttonite series.

Keywords

monazitehuttoniteapatitecrystal-chemistrygranulite-facies metamorphismmetabasiteIvrea-Verbano Zone
Type
Letters
Information
Mineralogical Magazine , Volume 63 , Issue 4 , August 1999 , pp. 587 - 594
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1999

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References

Åmli, R. (1975) Mineralogy and rare earth geochemistry of apatite and xenotime from the Gloserheia granite pegmatite, Froland, southern Norway. Amer. Mineral., 60, 607–20.Google Scholar
Bea, F. (1996) Residence of REE, Y, Th and U in granites and crustal protoliths; Implications for the chemistry of crustal melts. J. Petrol., 37, 521–52.CrossRefGoogle Scholar
Bingen, B. and van Breemen, O. (1998) U-Pb monazite ages in amphibolite- to granulite-facies orthogneiss reflect hydrous mineral breakdown reactions: Sveconorwegian Province of SW Norway. Contrib. Mineral. Petrol., 132, 336–53.CrossRefGoogle Scholar
Bowie, S.H.U. and Horne, J.E.T. (1953) Cheralite, a new mineral of the monazite group. Mineral. Mag., 30, 93–99.Google Scholar
Bowles, J.F.W., Jobbins, E.A. and Young, B.R. (1980) A re-examination of cheralite. Mineral. Mag., 43, 885–8.CrossRefGoogle Scholar
Braun, I., Montel, J.-M. and Nicollet, C. (1998) Electron microprobe dating of monazites from high-grade gneisses and pegmatites of the Kerala Khondalite Belt, southern India. Chem. Geol., 146, 65–85.CrossRefGoogle Scholar
Broska, I., Petrik, I. and Siman, P. (1998) Accessory huttonite and two types of allanite in Tribeč S-type granitoids (in Czech). Miner. Slovaca, 30, 311–4.Google Scholar
Chakhmouradian, A.R. and Mitchell, R.H. (1998) Lueshite, pyrochlore and monazite-(Ce) from apatite-dolomite carbonatite, Lesnaya Varaka complex, Kola Peninsula, Russia. Mineral. Mag., 62, 769–82.CrossRefGoogle Scholar
Cocherie, A., Legendre, O., Peucat, J.J. and Kouamelan, A.N. (1998) Geochronology of polygenetic monazites constrained by in situ electron microprobe Th-U-total lead determination: Implications for lead behaviour in monazite. Geochim. Cosmochim. Acta, 62, 2475–97.CrossRefGoogle Scholar
Dachille, F. and Roy, R. (1964) Effectiveness of shearing stresses in accelerating solid phase reactions at low temperatures and high pressures. J. Geol., 72, 243–7.CrossRefGoogle Scholar
Della Ventura, G., Mottana, A., Parodi, G.C., Raudsepp, M., Bellatreccia, F., Caprilli, E., Rossi, P. and Fiori, S. (1996) Monazite-huttonite solid-solutions from the Vico Volcanic Complex, Latium, Italy. Mineral. Mag., 60, 751–8.CrossRefGoogle Scholar
Demartin, F., Pilati, T., Diella, V., Donzelli, S. and Gramaccioli, C.M. (1991): Alpine monazite: further data. Canad. Mineral., 29, 61–7.Google Scholar
Fleischer, M., Chao, G.Y. and Francis, C.A. (1981) New mineral names. Amer. Mineral., 66, 878–9.Google Scholar
Förster, H.-J. (1998) The chemical composition of REE-Y-Th-U-rich accessory minerals in peraluminous granites of the Erzgebirge-Fichtelgebirge region, Germany. Part I: The monazite-(Ce)-brabantite solid solution series. Amer. Mineral., 83, 259–72.CrossRefGoogle Scholar
Franz, L. and Harlov, D.E. (1998) High-grade K-feldspar veining in granulites from the Ivrea-Verbano Zone, northern Italy: fluizd flow in the lower crust and implications for granulite facies genesis. J. Geol., 106, 455–72.CrossRefGoogle Scholar
Gramaccioli, C.M. and Segalstad, T.V. (1978) A uranium- and thorium-rich monazite from a south- Alpine pegmatite at Piona, Italy. Amer. Mineral., 63, 757–61.Google Scholar
Hawkins, D.P. and Bowring, S.A. (1999) U-Pb monazite, xenotime and titanite geochronological constraints on the prograde to post-peak metamorphic thermal history of Paleoproterozoic migmatites from the Grand Canyon, Arizona. Contrib. Mineral. Petrol., 134, 150–69.CrossRefGoogle Scholar
Henk, A., Franz, L., Teufel, S. and Oncken, O. (1997) Magmatic underplating, extension, and crustal reequilibration: insights from a cross-section through the Ivrea Zone and Strona-Ceneri Zone, northern Italy. J. Geol., 105, 367–77.CrossRefGoogle Scholar
Hiroi, Y., Motoyoshi, Y., Shiraishi, K. and Mathavan, V. (1997) Local formation of hercynite-plagioclase symplectite after garnet and sillimanite in khondalite from Habarana, Sri Lanka; mineral textures. In: Proc. 16th NIPR Symp.Antarctic Research (Funaki, M., ed.), Nat. Inst. of Polar Research, Tokyo, 153–64.Google Scholar
Kamineni, D.C., Rao, A.T. and Bonardi, M. (1991) The geochemistry of monazite types from Eastern Ghats granulite terrain. India. Mineral. Petrol., 45, 119–30.CrossRefGoogle Scholar
Kucha, H. (1980) Continuity in the monazite-huttonite series. Mineral. Mag., 43, 1031–4.CrossRefGoogle Scholar
Liou, J.G. and Zhang, R.Y. (1996) Petrogenesis of ultrahigh-P garnet-bearing ultramafic rocks from Maowu, the Dabie Mountains, central China. Geol. Soc. Amer., Abstr. with Programs, 28, 69.Google Scholar
Mannucci, G., Diella, V., Gramaccioli, C.M. and Pilati, T. (1986) A comparative study of some pegmatitic and fissure monazite from the Alps. Canad. Mineral., 24, 469–74.Google Scholar
Pabst, A. and Hutton, C.O. (1951) Huttonite, a new monoclinic thorium silicate, with an account on its occurrence, analysis, and properties. Amer. Mineral., 36, 60–9.Google Scholar
Pan, Y. (1997) Zircon- and monazite-forming metamorphic reactions at Manitouwadge, Ontario. Canad. Mineral., 35, 105–18.Google Scholar
Pan, Y. and Fleet, M.E. (1993) Oriented monazite inclusions in apatite porphyroblasts from the Hemlo gold deposit, Ontario. Canada. Mineral. Mag., 57, 697–707.CrossRefGoogle Scholar
Pan, Y. and Fleet, M.E. (1996) Rare earth element mobility during prograde granulite facies metamorphism: significance of fluorine. Contrib. Mineral. Petrol., 123, 251–62.CrossRefGoogle Scholar
Poitrasson, F., Chenery, S. and Bland, D.J. (1996) Contrasted monazite hydrothermal alteration mechanisms and their geochemical implications. Earth Planet. Sci. Lett., 145, 79–96.CrossRefGoogle Scholar
Rao, A.T., Fonarev, V.I., Konilov, A.N. and Romanenko, I.M. (1997) Cheralite from Visakhapatnam area in the Eastern Ghats granulite belt. India. Gondwana Res., 1, 137–41.CrossRefGoogle Scholar
Rose, D. (1980) Brabantite, CaTh[PO4]2, a new mineral of the monazite group. Neues Jahrb. Mineral. Mh., 247–57.Google Scholar
Rosenblum, S. and Fleischer, M. (1995) The distribution of rare-earth elements in minerals of the monazite family. U.S. Geol. Surv. Bull., No. 2140, 1–62.Google Scholar
Rudnick, R.L., McDonough, W.F. and Chappell, B.W. (1993) Carbonatite metasomatism in the northern Tanzanian mantle: petrographic and geochemical characteristics. Earth Planet. Sci. Lett., 114, 463–75.CrossRefGoogle Scholar
Schnetger, B. (1994) Partial melting during the evolution of the amphibolite- to granulite facies gneisses of the Ivrea Zone, northern Italy. Chem. Geol., 113, 71–101.CrossRefGoogle Scholar
Sills, J.D. and Tarney, J. (1984) Petrogenesis and tectonic significance of amphibolites interlayered with meteasedimentary gneisses in the Ivrea Zone, southern Alps, northwest Italy. Tectonophys., 107, 187–206.CrossRefGoogle Scholar
Sinigoi, S., Quick, J.E., Clemens-Knott, D., Mayer, A., Demarchi, G., Mazzuchelli, M., Negrini, L. and Rivalenti, G. (1994) Chemical evolution of a large mafic intrusion in the lower crust, Ivrea-Verbano Zone, northern Italy. J. Geophys. Res., 99, 21,575–90.CrossRefGoogle Scholar
Vavra, G., Gebauer, D., Schmid, R. and Compston, W. (1996) Multiple zircon growth and recrystallization during polyphase Late Carboniferous to Triassic metamorphism in granulites of the Ivrea Zone (southern Alps): an ion microprobe (SHRIMP) study. Contrib. Mineral. Petrol., 122, 337–58.CrossRefGoogle Scholar
Watt, G.R. (1995) High-thorium monazite-(Ce) formed during disequilibrium melting of metapelites under granulite-facies conditions. Mineral. Mag., 59, 735–43.CrossRefGoogle Scholar
Wolf, M.D. and London, D. (1995) Incongruent dissolution of REE- and Sr-rich apatite in peraluminous granitic liquids: Differential apatite, monazite, and xenotime solubilities during anatexis. Amer. Mineral., 80, 765–75.CrossRefGoogle Scholar
Zhu, X.K., O'Nions, R,K., Belshaw, N.S. and Gibb, A.J. (1997) Significance of in situ SIMS chronometry of zoned monazite from the Lewisian granulites, northwest Scotland. Chem. Geol., 135, 35–53.CrossRefGoogle Scholar