Textural and chemical changes in slate-forming phyllosilicates across the external-internal zones transition in the low-grade metamorphic belt of the NW Iberian Variscan Chain

Schweizerische Mineralogische und Petrographische Mitteilungen

Volumn 83, Issue 1, 2003, Pages 63-80

  Abad, Isabel ^a   Nieto, Fernando ^b   Gutiérrez Alonso, Gabriel ^c  

^a UNIVERSITY OF JAÉN   (Spain)

^b INSTITUTO ANDALUZ DE CIENCIAS DE LA TIERRA   (Spain)

^c UNIVERSITY OF SALAMANCA   (Spain)

Author keywords

Anchizone epizone; Electron microscopy; Illite; Slaty cleavage; Tectonic strain

Indexed keywords

GEOCHEMISTRY; HERCYNIAN OROGENY; ILLITE; LOW GRADE METAMORPHISM; PHYLLOSILICATE; SLATE; TEXTURE;

SPAIN;

EID: 0042284986     PISSN: 00367699     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (58)

1. Abad, I., Nieto, F. and Velilla, N. (2002): Chemical and textural characterisation of diagenetic-low-grade metamorphic phyllosilicates in turbidite sandstones of the South Portuguese Zone: A comparison between metapelites and sandstones. Schweiz. Mineral. Petrogr. Mitt. 82, 303-324.
2. Abad-Ortega, M.M. and Nieto, F. (1995): Genetic and chemical relationship between berthierine, chlorite and cordierite in nodules associated to granitic pegmatites of Sierra Albarrana (Iberian Massif, Spain). Contrib. Mineral. Petrol. 120, 327-336.
3. Agard, P., Vidal, O. and Goffé, B. (2001): Interlayer and Si content of phengite in HP-LT carpholite-bearing metapelites. J. Metamorphic Geol. 19, 477-493.
4. Amouric, M. (1987): Growth and deformation defects in phyllosilicates as seen by HRTEM. Acta Cryst. B43, 57-63.
5. Amouric, M., Gianetto, I. and Proust, D. (1988):7, 10 and 14 Å mixed-layer phyllosilicates studied structurally by TEM in pelitic rocks of the Piemontese zone (Venezuela). Bull. Minéral. 111, 29-37.
6. Árkai, P., Merriman, R.J., Roberts, B., Peacor, D.R. and Toth, M. (1996): Crystallinity, crystallite size and lattice strain of illite-muscovite and chlorite: comparison of XRD and TEM data for diagentic to epizonal pelites. Eur. J. Mineral 8, 1119-1137.
7. Banfield, J.F. and Murakami, T. (1998) Atomic-resolution transmission electron microscope evidence for the mechanism by which chlorite weathers to 1:1 semi-regular chlorite-vermiculite. Am. Mineral. 83, 348-357.
8. Bell, I.A. and Wilson, C.J.L. (1981): Deformation of biotite and muscovite:TEM microstructure and deformation model. Tectonophysics 78, 201-228.
9. Cuadros, J. and Altaner, S.P. (1998): Characterization of mixed-layer illite-smectite from bentonites using microscopic, chemical, and X-ray methods: Constraints on the smectite-to-illite transformation mechanism. Am. Mineral 83, 762-774.
10. 39Ar dating of regional fabrics. Tectonophysics 277, 307-337.
11. Fernández-Suárez, J., Gutiérrez-Alonso, G., Jenner, G.A. and Tubrett, M.N. (2000): New ideas on the Proterozoic-Early Palaeozoic evolution of NW Iberia: insights from U-Pb detrital zircon ages. Precambrian Research 102, 185-206.
12. Giorgetti, G., Memmi, I. and Peacor, D.R.(2000): Retarded illite crystallinity caused stress-induced subgrain boundaries in illite. Clay Minerals 35, 693-708.
13. Guthrie, G.D. Jr. and Veblen, D.R. (1990): Interpreting one-dimensional high-resolution transmission electron micrographs of sheets silicates by computer simulation. Am. Mineral 75, 276-288.
14. Guidotti, C.V. and Sassi, F.P. (1986): Classification and correlation of metamorphic facies series by means of muscovite b data from low-grade metapelites. Neues Jahrb. Mineral. Abh. 153, 363-380.
15. 3+ content of muscovite in pelitic schists. Am. Mineral. 79, 793-795.
16. Guidotti, C.V. and Sassi, F.P. (1998): Petrogenetic significance of Na-K white mica mineralogy: Recent advances for metamorphic rocks. Eur. J. Mineral. 10, 815-854.
17. Gutiérrez-Alonso, G. (1992): El Antiforme del Narcea y su relación con los mantos occidentales de la Zona Cantábrica. Unpublished PhD Thesis. University of Oviedo.
18. Gutiérrez-Alonso, G. (1996): Strain partitioning in the footwall of the Somiedo Nappe: structural evolution of the Narcea Tectonic Window, NW Spain. J. Struct. Geol. 18, 1217-1230.
19. Gutiérrez-Alonso, G. and Nieto, F. (1996): White-mica "cristallinity", finite strain and cleavage development across a large Variscan structure, NW Spain. J. Geol. Soc. London 153, 287-299.
20. Ho, N., Peacor, D.R. and Van der Pluijm, B.A. (1995): Reorientation mechanisms of phyllosilicates in the mudstone-to-slate transition at Lehigh Gap, Pennsylvania. J. Struct. Geol. 17, 345-356.
21. Ho, N., Peacor, D.R. and Van der Pluijm, B.A. (1996): Contrasting roles of detrital and authigenic phyllosilicates during slaty cleavage development. J. Struct. Geol. 18, 615-623.
22. Hower, J. and Mowatt, T.C. (1966): The mineralogy of illites and mixed-layer illites-montmorillonites. Am. Mineral. 51, 825-854.
23. Hower, J. (1981): Shale diagenesis. In: Longstaffe, F.J. (ed.): Clays and the Resource Geologist, Short Course Handbook 7, Mineral. Assoc. Canada, 60-80.
24. Hunziker, J.C., Frey, M., Clauer, N., Friedrichsen, H., Flehmig, W., Hochstrasser, K., Roggwiler, P. and Schwander H. (1986): The evolution of illite to muscovite: mineralogical and isotopic data from the Glarus Alps, Switzerland. Contrib. Mineral. Petrol. 92, 157-180.
25. Inoue, A. and Utada, M. (1983): Further investigations of a conversion series of dioctahedral mica/smectites in the Shinzan hydrothermal alteration area, northeast Japan. Clays Clay Mineral. 31, 401-412.
26. Jiang, W., Peacor, D.R. and Slack, J.T. (1992): Micro-structures, mixed layering, and polymorphism of chlorite and berthierine in the Kidd Creek massive sulfide deposit, Ontario. Clays Clay Mineral, 40, 501-514.
27. Julivert, M. (1971): L'evolution structurale de l'arc asturien. In: Histoire Structurale du Golfe de Gascone 2, Inst. Fr. Pétrole Paris, 1-28.
28. Kerrich, R. (1977): An historical review and synthesis of research on pressure solution. Zentralb. Geol. Palaeont. I, 512-550.
29. Knipe, J.R. and White, S.H. (1977): Microstructural variation of an axial plane cleavage around a fold - a H.V.E.M. study. Tectonophysics 39, 355-380.
30. Knipe, J.R. (1981): The interaction of deformation and metamorphism in states. Tectonophysics 78, 249-272.
31. Kübler, B. (1968): Evaluation quantitative du métamorphisme par la cristallinité de l'illite. Bull. C Rech. Pau-SNPA 2, 385-397.
32. Lee, J.H., Peacor, D.R., Lewis, D.D. and Wintsch, R.P. (1986): Evidence for syntectonic crystallization for the mudstone to slate transition at Lehigh Gap, Pennsylvania, U.S.A. J. Struct. Geol. 8, 767-780.
33. Lindgreen, H., Jacobsen, H. and Jakobsen, H. (1991): Diagenetic structural transformations in North Sea Jurassic illite-smectite. Clays Clay Mineral. 39, 54-69.
34. Livi, K.J.T., Veblen, D.R., Ferry, J.M. and Frey, M. (1997): Evolution of 2:1 layered silicates in low-grade metamorphosed Liassic shales of Central Switzerland. J. Metamorphic Geol. 15, 323-344.
35. López-Munguira, A. and Nieto, F. (2000): Transmission electron microscopy study of very low-grade metamorphic rocks in Cambrian sandstones and shales, Ossa-Morena Zone, Southwest Spain. Clays Clay Mineral. 48, 213-223.
36. Merriman, R.J., Roberts, B. and Peacor, D. R. (1990): A transmission electron microscope study of white mica crystallite size distribution in a mudstone to slate transitional sequence, North Wales, UK. Contrib. Mineral. Petrol. 106, 27-40.
37. Merriman, R.J., Roberts, B., Peacor, D.R. and Hirons, R. (1995): Strain related differences in the crystal growth of white mica and chlorite: a TEM and XRD study of the development of metapelitic microfabrics in the Southern Uplands thrust terrane, Scotland. J. Metamorphic Geol. 13, 559-576.
38. Merriman, R.J. and Peacor, D.R. (1999): Very low-grade metapelites: mineralogy, microfabrics and measuring reaction progress. In: Frey, M. and Robinson, D. (eds.): Low grade-metamorphism, Blackwell Science Oxford, 10-60.
39. Nieto, F., Velilla, N., Peacor, D.R. and Ortega, M. (1994): Regional retrograde alteration of sub-greenschist facies chlorite to smectite. Contrib. Mineral. Petrol. 115, 243-252.
40. Nieto, F. (1997): Chemical composition of metapelitic chlorites: X-ray diffraction and optical property approach. Eur. J. Mineral. 9, 829-841.
41. Pouchou, J.L. and Pichoir, F. (1985): "PAP" (f) (r) (t) procedure for improved quantitative microanalysis. In: Armstrong, J.T. (ed.): Microbeam Analysis. San Francisco Press, San Francisco, 104 pp.
42. Rieder, M., Cavazzini, G., D'Yakonov, Y.S., Kamanetskii, V.A.F. Gottardi, G., Guggenheim, S., Koval, P.K., Müller, G., Neiva, A.M.R., Radoslovich, E.W., Robert, J.L., Sassi, F.P., Takeda, H., Weiss, Z. and Wones, D.R. (1998): Nomenclature of the micas, Can. Mineral. 36, 905-912.
43. Sánchez-Navas, A. and Galindo-Zaldivar, J. (1993): Alteration and deformation microstructures of biotite from plagioclase-rich dykes (Ronda Massif, S. Spain). Eur. J. Mineral. 5, 245-256.
44. Sorby, H.C. (1853): On the origin of slaty cleavage. Edinburgh New Phil. J. 55, 137-148.
45. Środoń, J., Morgan, D.J., Eslinger, E.V., Eberl, D.D. and Karlinger, M.R. (1986): Chemistry of illite/smectite and end-member illite. Clays Clay Mineral. 34,368-378.
46. Sutton, S.J (1989): Orientation-dependent "metamorphic grade" in phyllosilicates belonging to a slaty cleavage fabric. J. Geol. 97, 197-208.
47. Taylor, S.R. and McLennan, S.M. (1985): The continental crust: its composition and evolution. Blackwell, Oxford, 312 pp.
48. Van der Pluijm, B.A., Ho, N.C. and Peacor, D.R. (1998): Contradictions of slate formation resolved? Nature 392, 348.
49. Weaver, C.E. (1965): Potassium content of illite. Science 147, 603-605.
50. Weber, K. (1981): Kinematic and metamorphic aspects of cleavage formation in very low-grade metamorphic slates. Tectonophysics 78, 291-306.
51. White, S.H. and Knipe, R.J. (1978): Microstructure and cleavage development in selected slates, Contrib. Mineral Petrol. 66, 165-174.
52. Wintsch, R.P. (1985): The possible effects of deformation on chemical processes in metamorphic fault zones. In: Thompson, A.H. and Rubie, D.C. (eds.): Metamorphic reactions: kinetics, textures, and deformation, Springer New York. 251-268.
53. Wintsch, R.P., Kvale, C.M. and Kisch, H.J. (1991): Open-system, constant-volume development of slaty cleavage, and strain-induced replacement reactions in the Martinsburg Formation, Lehigh Gap, Pennsylvania. Bull. Geol. Soc. Am. 103, 916-927.
54. Wood, D.S. (1974): Current views of the development of slaty cleavage. Annu. Rev. Earth Planet. Sci. 2, 369-401.
55. Wybrecht, E., Duplay, J., Piqué, A. and Weber, F. (1985): Mineralogical and chemical evolution of white micas and chlorites, from diagenesis to low-grade metamorphism: data from various size fractions of greywackes (Middle Cambrian, Morocco). Mineral. Mag. 49, 401-411.
56. Yates, D.M. and Rosenberg, P.E. (1997): Formation and stability of endmember illite: II. Solid equilibration experiments at 100 to 250 °C and Pv.soln. Geochim. Cosmochim. Acta 61, 3135-3144.
57. Yates, D.M. and Rosenberg, P.E. (1998): Characterization of neoformed illite from hydrothermal experiments at 250 °C and Pv,soln: An HRTEM/ATEM study. Am. Mineral. 83, 1199-1208.
58. Zhao, G., Peacor, D.R. and McDowell, S.D. (1999):"Retrograde diagenesis" of clay minerals in the Precambrian Freda sandstone, Wisconsin. Clays Clay Mineral. 47, 119-130.