Barian-titanian micas from llha datrindade, south atlantic

Mineralogical Magazine

Volumn 62, Issue 5, 1998, Pages 687-695

  Greenwood, J C ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

Barium; Ilha da trindade; Mica; Titanium

Indexed keywords

BARIUM; MICA; TITANIUM;

ATLANTIC OCEAN;

ALUMINUM; BARIUM; MANGANESE OXIDE; SILICATE MINERALS; TITANIUM; TITANIUM DIOXIDE;

GENERAL EQUATIONS; ILHA DA TRINDADE; SOUTH ATLANTIC; TI SUBSTITUTIONS;

MICA;

EID: 0032455783     PISSN: 0026461X     EISSN: None     Source Type: Journal    
DOI: 10.1180/002646198547918     Document Type: Article

References (20)

1. Bachinski, S.W. and Simpson, E.L. (1984) Ti-phlogopites of the Shaw's Cove minette: a comparison with micas of other lamprophyres, potassic rocks, kimberlites, and mantle xenoliths. Amer. Mineral., 69,41-56.
2. Deer, W.A., Howie, R.A. and Zussman, J. (1963) Rockforming Minerals. Vol. 3, Sheet Silicates. Longman, London, 270 pp.
3. Edgar, A.D. (1992) Barium-rich phlogopite and biotite from some Quaternary alkali mafic lavas, West Eifel, Germany. Em: J. Mineral, 4, 321-30.
4. Farmer, G.L. and Boettcher, A.L. (1981) Petrologic and crystal-chemical significance of some deep seated phlogopites. Amer. Mineral., 66, 1154-63.
5. Fodor, R.V., Mukasa, S.B., Gomes, C.B. and Cordani, U.C. (1989) Ti-rich Eocene Basaltic Rocks, Abrolhos Platform, Offshore Brazil, 18°S; Petrology with Respect to South Atlantic Magmatism. J. Petrol., 30, 763-86.
6. Foley, S.F. (1990) Experimental constraints on phlogopite chemistry in lamproites: 2. Effect of pressuretemperature variations. Eur. J. Mineral., 2, 327-41.
7. Fumes, H. and Stillman, C.J. (1987) The geochemistry and petrology of an alkaline lamprophyre sheet intrusion complex on Maio, Cape Verde Republic. J. Geol. Soc. Lond., 144, 227-41.
8. Gibson, S.A., Thompson, R.N., Leonardos, O.H., Dickin, A.P. and Mitchell, J.G. (1995) The Late Cretaceous impact of the Trindade mantle plume: evidence from large-volume, mafic, potassic magmatism in SE Brazil. J. Petrol., 36, 189-229.
9. Le Roex, A.P. (1985) Geochemistry, mineralogy and magmatic evolution of the basaltic and trachytic lavas from Cough Island, South Atlantic. J. Petrol., 26, 149-86.
10. Leonardos, O.H., Ulbrich. M.N. and Caspar, J.C. (1991) The Mata da Corda volcanic rocks. In Field Guidebook. 5th International Kimberlite Conference, Araxa. (O.H. Leonardos, H.O.A. Meyer and J.C. Caspar, eds.). Brasilia, DF: CPRM, Special Publication 3/91, pp. 17-24.
11. Manskcr, W.L., Ewing, R.C. and Keil, K. (1979) Bariantitanian biotites in nephelinitcs from Oahu, Hawaii. Amer. Mineral., 64, 156-9.
12. Meyer, H.O.A., Garwood, B.L., Svisero, O.P. and Smith, C.B. (1994) Alkaline intrusions in western Minas Gérais, Brazil. In Proceedings of the 5th International Kimberlite Conference, Araxâ. (O.H. Leonardos, H.O.A. Meyer and J.C. Caspar, eds.). Brasilia, DF: CPRM, Special Publication pp. 140-55.
13. Mitchell, R.H. (1986) Kimberlites, Mineralogy, Geochemistry and Petrology. New York: Plenum, 442 pp.
14. Mitchell-Thomé, R.C. (1970) Trindade. In Geolog}- of the South Atlantic Islands. Berlin, Gebrüder Borntraeger, pp. 67-101.
15. Rock, N.M.S. (1991) Lampropliyres. Glasgow, Blackie, 285 pp.
16. Ryabchikov, I.D., Kovalenko, V.l., Dikov, Y.P. and Vladykin, N.V. (1982) Titaniferous micas from the mantle: composition, structure, formation conditions, and possible role in the production of potassic alkali magmas. Ccochem. Intel-national, 18, 124-37.
17. Thompson, R.N., Velde, D., Leat, P.T., Morrison, M.A., Mitchell, J.G., Dickin, A.P. and Gibson, S.A. (1997) Oligocène lamproite containing an Al-poor, Ti-rich biotite, Middle Park, northwest Colorado, USA. Mineral. Mag., 61, 557-72.
18. Wendlandt, R.F. (1977) Barian-phlogopite from Haystack Butte, Highwood Mountains, Montana. Ann. Rept. Carnegie Inst. Hash. Ybk., 76, 534-39.
19. Wulff-Pedersen, E., Neuman, E-R. and Jensen, B.B. (1996) The upper mantle under La Palma, Canary Islands: formation of Si-K-Na-rich melt and its importance as a metasomatic agent. Contrib. Mineral. Petrol.. 125, 113-39.
20. Zhang, M., Suddaby, P., Thompson, R.N. and Dungan, M.A. (1993) Barian titanian phlogopite from potassic lavas in northeast China: Chemistry, substitutions, and paragenesis. Amer. Mineral., 78, 1056-65.