Metamorphic evolution from diagenesis to epizone in Cambrian formations from NW Zafra (Ossa-Morena Zone, SW Spain)

Neues Jahrbuch fur Mineralogie, Abhandlungen

Volumn 174, Issue 2, 1998, Pages 131-157

  López Munguira, Aurora ^a   Nieto, Fernando ^b   Morata, Diego ^c  

^a UNIVERSITY OF EXTREMADURA   (Spain)

^b CSIC   (Spain)

^c UNIVERSITY OF CÁDIZ   (Spain)

Author keywords

Chlorite; Clastic rocks; Crystalchemical parameters; Ossa Morena Zone; Spain; Very low grade metamorphism; Volcanic rocks; White mica

Indexed keywords

EID: 0041169962     PISSN: 00777757     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (58)

1. ABAD, M. M. & NIETO, F. (1995): Genetic and chemical relationships between berthierine, chlorite and cordierite in nodules associated to granitic pegmatites of Sierra Albarrana (Iberian Massif, Spain). - Contrib. Miner. Petrol. 120: 327-336.
2. AHN, J. H. & PEACOR, D. R. (1985): Transmission electron microscopic study of diagenetic chlorite in Gulf Coast argillaceous sediments. - Clays Clay Miner. 33: 228-236.
3. AMOURIC, M., GIANETTO, I. & PROUST, D. (1988): 7, 10 and 14 mixed-layer phyllosilicates studied structurally by TEM in pelitic rocks of the Piemontese (Venezuela). -Bull. Miner. 111: 29-37.
4. APALATEGUI, O., EGUILUZ, L. & QUESADA, C. (1990): Ossa-Morena Zone. - In: DALLMEYER, R. D. & MARTÍNEZ-GARCÍA, E. (eds.): Pre-Mesozoic Geology of Iberia. - Springer Verlag, Berlin, pp. 280-291.
5. BAILEY, S. W. (1980): Structures in layer silicates. - In: BRINDLEY, G. W. & BROWN, G. (eds.): Crystal structure of clay minerals and their X-ray identification. - Mineralogical Society of London.
6. BAILEY, S. W., BRINLEY, G. V., JONHS, W. D., MARTIN, R. T. & ROSS, M. (1971): Summary of national and international recommendations on clay mineral nomenclature. - Clays Clay Miner. 19: 129-132.
7. BETTISON, L. A. & SCHIFFMAN, P. (1988): Compositional and structural variations of phyllosilicates from the Point Sal ophiolite, California. - Amer. Miner. 73: 62-76.
8. BETTISON-VARGA, L. A., MACKINNON, I. D. & SCHIFFMAN, P. (1991): Integraded TEM,XRD, and electron microprobe investigation of mixed layer chlorite - smectite from Point Salt ophiolite, California. - J. metamorphic Geol. 9: 697-710.
9. DEVINS, R. E., ROBINSON, D. & ROWBOTHAM, G. (1991): Compositional variations in mafic phyllosilicates from regional low-grade metabasites and application of chlorite geothermometer. - J. metamorphic Geol. 9: 711-721.
10. CATHELINEAU, M. (1988): Cation site occupancy in chlorites and illites as a function of temperature. - Clay Miner. 23: 471-485.
11. CHAMLEY, H. (1989): Clay Sedimentology. - Springer-Verlag, Berlin, 623 pp.
12. FREY, M. (1987): Very low-grade metamorphism of clastic sedimentary rocks. - In: FREY, M. (ed.): Low Temperature Metamorphism. - Blackie Press, Glasgow, pp. 9-58.
13. GUIDOTTI, C. V. (1984): Micas in metamorphic rocks. - In: BAILEY, S. W. (ed.): Micas. - Rev. in Mineral. 13: 357-456.
14. GUIDOTTI, C. V., MAZZOLI, C., SASSI, F. P. & BLENCOE, J. G. (1992): Compositional controls on the cell dimensions of 2M1 muscovite and paragonite. - Eur. J. Miner. 4: 283-297.
15. GUIDOTTI, C. V. & SASSI, F. P. (1976): Muscovite as a petrogenetic indicator mineral in pelitic schist. - N. Jb. Miner. Abh. 127: 97-142.
16. 0 data form low-grade metapelites. - N. Jb. Miner. Abh. 153: 363-380.
17. GUIDOTTI, C. V., SASSI, F. P. & BLENCOE, J. G. (1989): Compositionals controls on the a and b cell dimensions of 2M1 muscovite. - Eur. J. Miner. 1: 71-84.
18. GUTIÉRREZ-ALONSO, G. & 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.
19. INOUE, A. & UTADA, M. (1991): Smectite-to-chlorite transformation in thermally metamorphosed volcanoclastic rocks in the Kamikita area, Northern Honshu, Japan. -Amer. Miner. 76: 628-640.
20. JULIVERT, M., FONTBOTÉ, J. M., RIBEIRO, A. & CONDE, L. (1974): Mapa Tectonico de Europa. - IGME. Serv. Publ. Minist. Industria y Energia, Madrid.
21. KISCH, H. (1987): Correlation between indicators of very low-grade metamorphism. -In: FREY, M. (ed.): Low Temperature Metamorphism. - Blackie, Press, Glasgow, pp. 227-300.
22. _ (1991): Illite crystallinity: recommendations on sample preparation, X-ray diffraction setting, and interlaboratory samples. - J. metamorphic Geol. 9: 665-670.
23. KÜBLER, B. (1968): Evaluation quantitative du metamorphisme par la cristallinité de l'illite. - Bull. Centre Rech. Pau SNPA 2: 385-397.
24. LEE, J. H., AHN, J. H. & PEACOR, D. R. (1985): Textures in layered silicates: progressive changes through diagenesis and low-temperature metamorphism. - J. Sed. Petrol. 55: 532-540.
25. LIÑÁN, E. (1984): Introducción al problema de la paleogeografía del Cámbrico de Ossa-Morena. - Cuad. Lab. Xeol. Laxe 8: 283-314.
26. LIÑÁN, E. & GÁMEZ-VINTANED, J. A. (1993): Lower Cambrian paleogeography of Iberian Peninsula and its relations with some neighbouring European areas. - Bull. Soc. Geol. France 164: 831-842.
27. LIÑÁN, E., GÁMEZ-VINTANED, J. A., PALACIOS, T., ALVARO, J.. GONZALO, R., MAYORAL, E., MORENO-EIRIS, E., PEREJÓN, A., QUESADA, C. & SÁNCHEZ-GARCÍA, T. (1995): The Cambrian of the Alconera Unit. Neoproterozoic-Cambrian Transect of Sierra Morena and Montes de Toledo. Pre-conference Field Guide. - In: Annual IGCP Project - 319 Meeting, Regional IGCP Project - 320 Meeting and XIII Geological Meeting on the West of the Iberia Peninsula. - Univ. de Salamanca (Spain), 9-21.
28. LIÑÁN, E. & QUESADA, C. (1990): Ossa-Morena Zone. Stratigraphy rift phase (Cambrian) - In: DALLMEYER, R. D. & MARTÍNEZ-GARCÍA, E. (eds.): Pre-Mesozoic Geology of Iberia. - Springer-Verlag, Berlin, pp. 359-366.
29. LÓPEZ-MUNGUIRA, A., MORATA, D. & NIETO, F. (1996): Geoquímica de los materiales pelíticos cámbricos al noroeste de Zafra (Badajoz). - Geogaceta 22: 149-152.
30. LÓPEZ-MUNGUIRA, A., NIETO, F. & SEBASTIÁN-PARDO, E. (1993): Caracterización de las pizarras cámbricas de la Unidad Alconera (Zona de Ossa-Morena). Su utilidad como indicadores de las condiciones metamórficas. - Geogaceta 13: 69-71.
31. MASSONNE, H. J. & SCHREYER, W. (1987): Phengite geobarometry based on the limiting assemblage with K-feldspar, phlogopite and quartz. - Contrib. Miner. Petrol. 96: 212-224.
32. MATA, J. & MUNHÁ J. (1990): Magmatogenese de metavolcanitos cambricos do Nordeste Alentejo: os estadios iniciais de rifting continental. - Comun. Serv. Geol. Portugal 76: 61-89.
33. MERRIMAN, R. J. & ROBERTS, B. (1985): A survey of white mica crystallinity and polytypes in pelitic rocks of Snowdonia and Llyn, North Wales. - Miner. Mag. 49: 305-319.
34. MORSE, J. W. & CASEY, W. H. (1988): Ostwald processes and mineral paragenesis in sediments. - Amer. J. Sci. 288: 537-560.
35. ODRIOZOLA, J. M., PEON, A. & VARGAS, I. (1983): Mapa Geológico de España 1/50000, Hoja num. 854: Zafra - IGME. Serv. Publ. Minist. Industria y Energía. Madrid.
36. 0 of dioctahedral illite/muscovite for the characterization of P/T gradients of incipient metamorphism. - Contrib. Miner. Petrol. 79: 85-95.
37. PALACIOS, T. (1993): Acritarchs from the volcarosedimentary group Playon Beds. Lower-Upper Cambrian, Sierra Morena, Southern Spain. - Terra Nova Abstract Supplement 6: 3.
38. PEACOR, D. R. (1992): Diagenesis and low-grade metamorphism of shales and slates. -In: BUSECK, P. (ed.): Minerals and reactions atomic scale: Transmission Electron Microscopy. - Rev. in Miner. 27: 335-380.
39. PEREJÓN, A., MORENO-EIRIS, E., LIÑÁN, E. & PALACIOS, T. (1992): Los materiales cámbricos de la Unidad de Alconera. Zona de Ossa-Morena, Guía de Campo. -Confer Inter Paleozoico Inferior de Ibero America. - Pub Museo Geol Extremadura 3:63-91.
40. QUESADA, C. (1990): Ossa-Morena Zone. Introduction. - In: DALLMEYER, R. D. & MARTÍNEZ-GARCÍA, E. (eds.): Pre-Mesozoic Geology of Iberia. - Springer Verlag, Berlin, pp. 259-262.
41. QIJESADA, C., FLORIDO, P., GUMIEL, P. & OSBORNE, J. (1987): Mapa Geológico y Minero de Extremadura. Memoria. Junta de Extremadura, Mérida, 131 pp.
42. REY, J. P. & KÜBLER, B. (1983): Identification des micas des series sedimentaires par diffraction X à partir de la série harmonique (001) des preparations orientées. -Schw. Miner. Petrog. 63: 13-36.
43. RIBEIRO, A., QUESADA, C. & DALLMEYER, R. D. (1990): Geodynamic evolution of the Iberian Massif. - In: DALLMEYER, R. D. & MARTÍNEZ-GARCÍA, E. (eds.): Pre-Mesozoic Geology of Iberia. - Springer-Verlag, Berlin, pp. 399-409.
44. 331,060 spacing: its use for geobarometric purposes. - Eur. J. Miner. 4: 843-845.
45. ROBINSON, D. (1987): Transition from diagenesis to metamorphism in extensional and collisional settings. - Geology 15: 866-869.
46. ROBINSON, D. & BEVINS, R. E. (1989): Diastathermal (extensional) metamorphism at very low grades and possible high grade analogue. - Earth Planet. Sci. Lett. 92: 81-88.
47. ROBINSON, D., BEVINS, R. E. & ROWBOTHAM, G. (1993): The characterization of mafic phyllosilicates in low-grade metabasalts from eastern North Greenland. - Amer. Miner. 78: 377-390.
48. SAGREDO, J. & PEINADO, M. (1992): Vulcanismo Cámbrico de la Zona de Ossa Morena. - In: GUTIÉRREZ-MARCO, J. G., SAAVEDRA, J. & RÁBANO, I. (eds.): Paleozoico Inferior de Iberoamérica, 567-576.
49. 0 value of the potassic white mica in low-grade metamorphic rocks. An application to Eastern Alps. - Tsch. Mineral. Petrol. Mitt. 18: 105-113.
50. SCHIFFMAN, P. & FRIDLEIFSSON, G. O. (1991). The smectite-chlorite transition in drillhole NJ-15, Nesjavellir geothermal field, Iceland: XRD, BSE and electron microprobe investigations. - J. metamorphic Geol. 9: 679-696.
51. SCHMIDT, D., LIVI, K. & FREY, M. (1997): HRTEM, AEM, SAED and EMP study on chlorite as a function of metamorphic grade. - Terra Nova 9 (abstract supplement no 1): 573.
52. SHAU, Y. H., PEACOR, R. & ESSENE, E. J. (1990): Corrensite and mixed-layer chlorite/ corrensite in metabasalt from northern Taiwan: TEM/AEM, EMPA, XRD and optical studies. - Contrib. Miner. Petrol. 105: 123-142.
53. SRODON, J. & EBERL, D. D. (1984): Illite. - In: BAILEY, S. W. (ed.): Micas. - Rev. Miner. 13: 495-544.
54. TAYLOR, S. R. & MCLENNAN, S. N. (1985): The Continental Crust: its composition and evolution. - Blackwell Scientific Publications, Oxford, 312 pp.
55. 2O. - Contrib. Miner. Petrol. 33: 145-161.
56. WARR, L. N., PRIMMER, J. J. & ROBINSON, D. (1991): Variscan very low-grade metamorphism in Southeast England: a diastathermal and thrust-related origin. - J. metamoiphic Geol. 9: 751-764.
57. WARR, L. N. & RICE, A. H. N. (1994): Interlaboratory standarization and calibration of clay mineral crystallinity and crystallite size data. - J. metamorphic Geol. 12: 141-152.
58. XIE, X., BYERLY, G. R. & FERRELL, R. E. (1997): IIb trioctahedral chlorite from the Barberton greenstone belt: crystal structure and rock composition constraints with implications to geothermometry. - Contrib. Miner. Petrol. 126: 275-291.