Magnetic fabrics and microstructures of the post-collisional aegirine-augite syenite Triunfo pluton, northeast Brazil

Journal of Structural Geology

Volumn 19, Issue 6, 1997, Pages 849-860

  Archanjo, Carlos José ^a   Bouchez, Jean Luc ^b  

^a FEDERAL UNIVERSITY OF RIO GRANDE DO NORTE   (Brazil)

^b UNIVERSITÉ PAUL SABATIER   (France)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTAL MICROSTRUCTURE; CRYSTALLIZATION; GEOMORPHOLOGY; MAGNETIC ANISOTROPY; MAGNETIC PERMEABILITY;

MAGNETIC FABRICS; POST COLLISIONAL PLUTON;

TECTONICS;

AEGIRINE AUGITE; MAGNETIC FABRIC; MAGNETITE; PLUTON; SYENITE;

EID: 0031164733     PISSN: 01918141     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0191-8141(97)00008-4     Document Type: Article

References (29)

1. Archanjo, C.J., Launeau, P. and Bouchez, J.L. (1995) Magnetic fabric versus magnetite and biotite shape fabrics of the magnetite-bearing granite pluton of Gameleiras (Northeast Brazil). Physics of Earth and Planetary Interiors 89, 63-75.
2. Bonin, B. (1990) From orogenic to anorogenic settings: evolution of granitoids suites after major orogenesis. Geological Journal 25, 261-270.
3. Borradaile, G.J. (1988) Magnetic susceptibility, petrofabrics and strain. Tectonophysics 156, 1-20.
4. Bouchez, J.L., Delas, C., Gleizes, G. and Nédélec, A. (1992) Submagmatic microfractures in granites. Geology 20, 35-38.
5. Bouchez, J.L., Gleizes, G., Djouadi, T. and Rochette, P. (1990) Microstructure and magnetic susceptibility applied to emplacement kinematics of granites: the example of the Foix pluton (French Pyrenees). Tectonophysics 156, 1-20.
6. Clemens, J.D. and Mawer, C.K. (1992) Granitic magma transport by fracture propagation. Tectonophysics 204, 339-360.
7. Dauteuil, O. and Brun, J.P. (1993) Oblique rifting in a slow-spreading ridge. Nature 361, 145-148.
8. Ellwood, B.B. and Whitney, J.A. (1980) Magnetic fabric of the Elberton granite, Northeast Georgia. Journal of Geophysical Research 85, 1481-1486.
9. Ferreira, V.P. and Sial, A.N. (1986) The peralkaline magmatism in the Precambrian Cachoeirinha-Salgueiro fold belt, Northeast Brazil: geochemical aspects. Revista Brasileira de Geociências 16, 78-85.
10. Ferreira, V.P., Sial, A.N. and Whitney, J.A. (1994) Large-scale silicate liquid immiscibility: a possible example from northeast Brazil. Lithos 33, 285-302.
11. Grégoire, V., Saint Blanquat, M., Néd, A. and Bouchez, J.L. (1995) Shape anisotropy versus magnetic interactions of magnetite grains: experiments and application to AMS in granitic rocks. Geophysical Research Letters 20, 2765-2768.
12. Hargraves, R.B., Johnson, D. and Chan, C.Y. (1991) Distribution anisotropy: the cause of AMS in igneous rocks? Geophysical Research Letters 18, 2193-2196.
13. Hrouda, F. (1982) Magnetic anisotropy of rocks and its application in geology and geophysics. Geophysical Survey 5, 37-82.
14. Hrouda, F. and Lanza, R. (1989) Magnetic fabric in the Biella and Traversella stocks (Periadriatic line): implications for the model of emplacement. Physics of Earth and Planetary Interiors 56, 337-348.
15. Jelinek, V. (1981) Characterization of the magnetic fabrics of rocks. Tectonophysics 79, T63-T67.
16. Liégeois, J. P. and Black, R. (1987) Alkaline magmatism subsequent to collision in the Pan-African belt of the Adrar des Iforas (Mali). In Alkaline Igneous Rocks, eds J. G. Fitton and B. J. Upton, pp. 381-401. Geological Society of London Special Publication 30.
17. Mariano, G. and Sial, A.N. (1988) Evidence of magma mixing in the Itaporanga batholit, Northeast Brazil. Rendiconti della Società Italiana di Mineralogia e Petrologia 43, 555-568.
18. Olivier, Ph. and Archanjo, C.J. (1994) Magnetic and magmatic structures of the Emas granodioritic pluton (Cachoeirinha belt, NE Brazil). Relationships with Pan-African strike-slip systems. Tectonophysics 229, 239-250.
19. Paterson, S.R., Vernon, R.H. and Tobisch, O.T. (1989) A review of criteria for identification of magmatic and tectonic foliations in granitoids. Journal of Structural Geology 11, 349-363.
20. Rochette, P. (1987) Magnetic susceptibility of the rock matrix related to magnetic fabric studies. Journal of Structural Geology 9, 1015-1020.
21. Rochette, P., Jackson, M. and Aubourg, C. (1992) Rock magnetism and interpretation of anisotropy of magnetic susceptibility. Reviews in Geophysics 30, 209-226.
22. Santos, E. J. and Brito Neves, B. B. (1984) Província Borborema. In O Precambriano no Brasil, eds F. F. M. Almeida and Y. Hasui. Edgar Blucher, São Paulo.
23. Sato, E. Y. (1987) Projeto mapas metalogenéticos e de previsão de recursos minerais: folha Serra Talhada SB.24-Z-C. MME/DNPM.
24. Sial, A.N. (1993) Contrasting metaluminous magmatic epidote-bearing granitic suites from two Precambrian fold belts in Northeast Brazil. Anais da Academia Brasileira de Ciências 65, 141-162.
25. Sial, A.N. and Ferreira, V.P. (1988) Brasiliano-age peralkaline plutonic rocks of the central structural domain, northeast Brazil. Rendiconti della Società Italiana di Mineralogia e Petrologia 43, 307-342.
26. Stephenson, A. (1993) Distribution anisotropy: two simple models for magnetic lineation and foliation. Physics of Earth and Planetary Interiors 82, 49-53.
27. Sylvester, P.J. (1988) Post-collisional alkaline granites. Journal of Geology 97, 261-280.
28. Uyeda, S., Fuller, M.D., Belshe, J.C. and Girdler, R.W. (1963) Anisotropy of magnetic susceptibility of rocks and minerals. Journal of Geophysical Research 68, 279-291.
29. Van Schmus, W.R., Brito Neves, B.B., Hackspacher, P. and Babinski, M. (1995) U-Pb and Sm-Nd geochronologic studies of Eastern Borborema Province, northeast Brazil: initial conclusions. Journal of South American Earth Science 8, 267-288.