P-T conditions of decompression of the limpopo high-grade terrane: Record from shear zones

Journal of Metamorphic Geology

Volumn 19, Issue 3, 2001, Pages 249-268

  Smit, C A ^a   Van Reenen, D D ^a   Gerya, T V ^b,c,d   Perchuk, L L ^b,c  

^a UNIVERSITY OF JOHANNESBURG   (South Africa)

^b INSTITUTE OF EXPERIMENTAL MINERALOGY   (Russian Federation)

^c MOSCOW STATE UNIVERSITY   (Russian Federation)

^d RUHR UNIVERSITY BOCHUM   (Germany)

Author keywords

Decompression; Fault rocks; High grade terrane; P T conditions; Shear zones

Indexed keywords

ARCHEAN; DECOMPOSITION; GEOBAROMETRY; METAMORPHISM; P-T CONDITIONS; SHEAR ZONE;

AFRICA;

EID: 0343807205     PISSN: 02634929     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.0263-4929.2000.00310.x     Document Type: Article

References (46)

1. Aranovich, L. Y. & Podlesskii, K. K., 1989. Geothermobarometry of high-grade metapelites: simultaneously operating reactions. In: Evolution of Metamorphic Belts. Geological Society of London, Special Publication, 42 (eds Daly, J. S., Yardley, B. W. D. & Cliff, B. R.), pp. 41-65. Geological Society, London.
2. Barton, J. M., Holzer, L., Kamber, B., Doig, R., Kramers, J. D. & Nyfeler, D., 1994. Discrete metamorphic events in the Limpopo belt, southern Africa: implications for the application of P-T paths in complex metamorphic terranes. Geology, 22, 1035-1038.
3. Beach, A., 1979. Pressure solution as a metamorphic process in deformed terrigeneous sedimentary rocks. Lithos, 12, 51-58.
4. Bell, T. H. & Etheridge, M. A., 1976. The deformation and recrystallization of quartz in a mylonite zone. Central Australia. Tectonophysics, 32, 235-267.
5. Brodie, K. H., 1995. The development of orientated symplectites during deformation. Journal of Metamorphic Geology, 13, 499-508.
6. Frost, B. R. & Chacko, T., 1989. The granulite uncertainty principle: limitations on thermobarometry in granulites. Journal of Geology, 97, 435-450.
7. Gerya, T. V., 1991. Method of physicochemical modeling of metamorphic reactions by using mass-balance condition. Contribution to Physicochemical Petrology, 16, 112-127(in Russian).
8. Gerya, T. V. & Perchuk, L. L., 1990. GEOPATH - a thermodynamic database for geothermobarometry and related calculations with the IBM PC computer. In: Metamorphic Styles in Young and Ancient Orogenic Bells. Program and Abstract, (eds Pattison, D. R., Gent, E. D. and Gordon, T. M.), pp. 59-61. Calgary University Press, Calgary, Canada.
9. Gerya, T. V., Perchuk, L. L., Triboulet, C., Audren, C. & Ses'ko, A. I., 1997. Petrology of the Tumanshet metamorphic complex, eastern Sayan, Siberia. Petrology, 5 (6), 501-523.
10. Gerya, T. V., Perchuk, L. L., van Reenen, D. D. & Smit, C. A., 2000. Two-dimensional numerical modeling of pressure-temperature-time paths for the exhumation of some granulite facies terrains in the Precambrian. Journal of Geodynamics, 30, 17-35.
11. Hanmer, S., 1987. Textural map-units in quartzofeldspathic mylonitic rocks. Canadian Journal of Earth Sciences, 24, 2065-2073.
12. Hanmer, S., 1988. Great Slave lake Shear Zone, Canadian Shield: reconstructed vertical profile of a crustal-scale fault zone. Tectonophysics, 149, 245-264.
13. Hanmer, S. & McEachern, S., 1992. Kinematical and rheological evolution of a crustal-scale ductile thrust zone. Central Metasedimentary Belt, Grenville orogen, Ontario. Canadian Journal of Earth Sciences, 29, 1779-1790.
14. Harley, S. L., 1989. The origin of granulites: a metamorphic perspective. Geological Magazine, 126, 215-231.
15. Knipe, R. J., 1989. Deformation mechanisms - recognition from natural tectonites. Journal of Structural Geology, 11, 127-146.
16. Kreissig, K., Holzer, L., Frei, I. M., et al., 2000. Geochronology of the Hout River Shear Zone and the metamorphism in the Southern Marginal Zone of the Limpopo Belt, Southern Africa. Precambrian Research, in press.
17. Kretz, R., 1983. Symbols for rock-forming minerals. American Mineralogist, 68, 277-279.
18. Kruger, F. J., Crawthorn, R. G. & Walsh, K. L., 1987. Strontium isotope evidence against magma addition in the Upper Zone of the Bushveld Complex. Earth and Planetary Science Letters, 84, 51-58.
19. McCourt, S. & Vearncombe, J. R., 1992. Shear zones of the Limpopo Belt and adjacent granitoid-greenstone terrranes: implications for late Archaean collision tectonics in southern Africa: Precambrian Research, 55, 553-570.
20. Nadeau, L. & Hanmer, S., 1992. Deep-crustal back-break stacking and slow exhumation of the continental footwall beneath a thrusted marginal basin, Grenville Orogen, Canada. Tectonophysics, 210, 215-233.
21. Nicolas, A. & Poirier, J. P., 1976. Crystalline Plasticity and Solid State Flow in Metamorphic Rocks. Wiley, New York.
22. Passchier, C. W. & Trouw, R. A. L., 1996. Microtectonics. Springer-Verlag, Berlin.
23. Perchuk, L. L., 1989. P-T-fluid regimes of metamorphism and related magmatism with specific reference to the Baikal Lake granulites. In: Evolution of Metamorphic Belts. Geological Society of London, Special Publication, 42 (eds Daly, S., Yardley, B. W. D. & Cliff, B. O.), pp. 275-291. Geological Society, London.
24. Perchuk, L. L., 1990. Derivation of thermodynamically consistent system of geothermometers and geobarometers for metamorphic and magmatic rocks. In: Progress in Metamorphic and Magmatic Petrology (ed. Perchuk, L. L.), pp. 93-112. Cambridge University Press, Cambridge.
25. Perchuk, L. L. & Lavrent'eva, I. V., 1983. Experimental investigation of exchange equilibria in the system cordierite-garnet-biotite. In Advances in Physical Geochemistry, vol. 3, (eds Newton, R. C. and Navrotsky, A.), pp. 199-239. Springer Verlag, New York.
26. Perchuk, L. L. & Lavrent'eva, I. V., 1990. Experimental study of mineral equilibria in the system garnet-orthopyroxene-amphibole. International Geology Review, 5, 486-507.
27. Perchuk, L. L., Aranovich, L. Ya, Podlesskii, K. K., et al., 1985. Precambrian granulites of the Aldan shield, eastern Siberia, USSR. Journal of Metamorphic Geology, 3, 265-310.
28. Perchuk, L. L., Gerya, T. V. & Nozhkin, A. D., 1989. Petrology and retrogression in granulites of the Kanskiy Formation, Yenisey Range, Eastern Siberia. Journal of Metamorphic Geology, 7, 599-617.
29. Perchuk, L. L., Gerya, T. V., van Reenen, D. D., Safonov, O. G. & Smit, C. A., 1996. The Limpopo metamorphic complex, South Africa: 2. Decompression/cooling regimes of granulites and adjusted rocks of the Kaapvaal craton. Petrology, 4 (6), 571-599.
30. Perchuk, L. L., Gerya, T. V., van Reenen, D. D., Smit, C. A., Krotov, A. V. & Safonov, O. G., 2000. Comparable petrology and metamorphic evolution of the Limpopo (South Africa) and Lapland (Fennoscandia) high-grade terrains. Mineralogy and Petrology, 69, 69-107.
31. Perchuk, L. L., Podladchikov, Yu. Yu. & Polaykov, A. N., 1992. Geodynamic modeling of some metamorphic processes. Journal of Metamorphic Geology, 10, 311-318.
32. Roering, C., van Reenen, D. D., de Wit, M. J., Smit, C. A., de Beer, J. H. & Van Schalkwyk, J. F., 1992b. Structural geological and metamorphic significance of the Kaapvaal Craton-Limpopo Belt contact. Precambrian Research, 55, 69-80.
33. Roering, C., van Reenen, D. D., Smit, C. A., et al., 1992a. Tectonic model for the evolution of the Limpopo Belt. Precambrian Research, 55, 539-552.
34. Sibson, R. H., 1977. Fault-rocks and fault mechanisms. Journal of Geological Society of London, 133, 191-213.
35. Smit, C. A. & van Reenen, D. D., 1997. Deep crustal shear zones, high-grade tectonites and associated alteration in the Limpopo belt, South Africa: implication for deep crustal processes. Journal of Geology, 105, 37-57.
36. Smit, C. A., Roering, C. & van Reenen, D. D., 1992. The structural framework of the southern margin of the Limpopo Belt, South Africa. Precambrian Research, 55, 51-67.
37. Spear, F. S., 1993. Metamorphic Phase Equilibria and Pressure-Temperature-Time Paths. Mineralogical Society of America Publication, Washington, D.C.
38. Spear, F. S. & Florence, F. P., 1992. Thermobarometry in granulites: pitfalls and new approaches. Precambrian Research, 55, 209-241.
39. Stevens, G. & van Reenen, D. D., 1992. Constraints on the form of the P-T loop in the Southern Marginal Zone of the Limpopo Belt, South Africa. Precambrian Research, 55, 279-296.
40. Turcotte, D. L. & Shubert, G., 1982. Geodynamics. Applications of Continuum Physics to Geological Problems. John Wiley, New York.
41. van Reenen, D. D., 1983. Cordierite+ garnet + hypersthene + biotite-bearing assemblages as a function of changing metamorphic conditions in the Southern Marginal Zone of the Limpopo metamorphic complex, South Africa. In: Geological Society of South Africa, Special Publication, 8 (eds Van Biljon W. J. & Legg, J. H.), pp. 143-167. Geological Society of South Africa, Johannesburg, South Africa.
42. van Reenen, D. D., Barton, J. M., Roering, C., Smit, C. A. & Van Schalkwyk, J. F., 1987. Deep-crustal response to continental collision: the Limpopo Belt of southern Africa. Geology, 15, 11-14.
43. van Reenen, D. D., Roering, C., Brandl, G., Smit, C. A. & Barton, J. M., 1990. The granulite facies rocks of the Limpopo belt, southern Africa. In: Granulites and Crustal Evolution (eds Vielzeuf, D. & Vidal Ph.), pp. 257-289. Kluwer, Dordrecht.
44. White, S. H. & Knipe, R. J., 1978. Transformation and reaction enhanced ductility in rocks. Journal of Geological Society of London, 135, 513-516.
45. White, S. H., Burrowa, S. E., Carreras, J., Shaw, N. D. & Humphreys, F. J., 1980. On mylonites in ductile shear zones. Journal of Structural Geology, 2, 175-187.
46. Zeck, H. P., 1974. Cataclastites, hemiclastites, holoclastites, blasto-ditto, and myloblastites-cataclastic rocks. American Journal of Science, 274, 1064-1073.