U-Pb sensitive high-resolution ion microprobe (SHRIMP) zircon geochronology of granitoid rocks in eastern Zambia: Terrane subdivision of the Mesoproterozoic Southern Irumide Belt

Tectonics

Volumn 25, Issue 6, 2006, Pages

  Johnson, S P ^a,b   De Waele, B ^c,d   Liyungu, K A ^e  

^a JAPAN AGENCY FOR MARINE EARTH SCIENCE AND TECHNOLOGY   (Japan)

^b GEOLOGICAL SURVEY OF WESTERN AUSTRALIA   (Australia)

^c UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

^d BRITISH GEOLOGICAL SURVEY   (United Kingdom)

^e Department of Zambia   (Zambia)

Author keywords

[No Author keywords available]

Indexed keywords

ALLOCHTHON; BATHOLITH; CONTINENTAL MARGIN; CRATON; GEOCHRONOLOGY; GRANITOID; MAGMATISM; METAMORPHISM; OROGENY; PLUTONIC ROCK; PROTEROZOIC; S-TYPE ROCK; SHRIMP DATING; TERRANE; URANIUM-LEAD DATING; ZIRCON;

AFRICA; EAST AFRICA; MALAWI; MOZAMBIQUE; SOUTHERN AFRICA; SUB-SAHARAN AFRICA; ZAMBIA;

EID: 34248570984     PISSN: 02787407     EISSN: None     Source Type: Journal    
DOI: 10.1029/2006TC001977     Document Type: Article

References (40)

1. Agar, R. A., and A. K. Ray (1983), The geological map of the Petauke area, Geol. Surv. of Zambia, Lusaka.
2. Anderson, L. S., and R. Unrug (1984), Geodynamic evolution of the Bangweulu Block, northern Zambia, Precambrian Res., 25, 187-212.
3. Barr, M. W. C. (1974), The pre-Karoo geology of the Rufunsa area, Zambia, with special reference to structure and metamorphism, Ph.D. thesis, Univ. of Leeds, Leeds, UK.
4. Barr, M. W. C., and A. R. Drysdall (1972), The geology of the Sasare area: Explanation of degree sheet 1131, SW quarter. 30, Geol. Surv. of Zambia, Lusaka.
5. Cox, R. A., T. Rivers, B. Mapani, D. Tembo, and B. De Waele (2002), New U-Pb data for the Irumide belt: LAM-ICP-MS results for Luangwa Terrane, paper presented at 11 th IAGOD Quadrennial Symposium and Geocongress, Technical Meeting IGCP 440: Assembly and Breakup of Rodinia, Int. Assoc. on the Genesis of Ore Deposits, Windhoek, Namibia.
6. Daly, M. C., and R. Unrug (1982), The Muva Supergroup, northern Zambia, Trans. Geol. Soc. S. Afr., 85, 155-165.
7. De Waele, B. (2005), The Proterozoic geological history of the Irumide belt, Zambia, Ph.D. thesis, 468 pp., Curtin Univ. of Technol., Perth, Western Australia, Australia.
8. De Waele, B., M. T. D. Wingate, B. Mapani, and I. C. W. Fitzsimons (2003), Untying the Kibaran knot: A reassessment of Mesoproterozoic correlations in southern Africa based on SHRIMP U-Pb data from the Irumide belt, Geology; 31, 509-512.
9. De Waele, B., J. P. Liégeois, A. A. Nemchin, and F. Tembo (2006), Isotopic and geochemical évidence of Proterozoic episodic crustal reworking within the Irumide Belt of south-central Africa, the southern metacratonic boundary of an Archaean Bangweulu Craton, Precamhrian Res., 148, 225-256.
10. Drysdall, A. R., R. L. Johnson, T. A. Moore, and J. G. Thieme (1972), Outline of the geology of Zambia, Geol. Mijnbouw, 51, 265-276.
11. Evans, R. J., L. D. Ashwal, and M. A. Hamilton (1999), Mafic, Ultramafic and anorthosite rocks of the Tete complex, Mozambique: Petrology, age and significance, S. Afr. J. Geol, 102, 153-166.
12. Goscombe, B., R. A. Armstrong, and J. M. Barton (1998), Tectonothermal evolution of the Chewore Inliers: Partial re equilibration of high-grade basement during the Pan-Aftrican Orogeny, J. Pel., 39, 1347-1384.
13. Goscombe, B., R. A. Armstrong, and J. M. Barton (2000), Geology of the Chewore Inliers, Zimbabwe: Constraining the Mesoproterozoic to Palaeozoic evolution of the Zambezi belt, J. Afr. Earth Sci., 30, 589-627.
14. Hanson, R. E. (2003), Proterozoic geochronology and tectonic evolution of southern Africa, in Proterozoic East Gondwana: Superconlinsnt Assembly and Breakup, edited by M. Yoshida, B. F. Windley, and S. Dasgupta, Geol. Soc. Spec. Publ, 206, 427-463.
15. Haslam, H. W., C. C. Rundle, and M. S. Brewer (1986), Rb-Sr studies of metamorphic and igneous events in eastern Zambia, J. Afr. Earth Sci., 5, 447-453.
16. John, T., and V. Schenk (2003), Partial eclogitisation of gabbroic rocks in a late Precambrian subduction zone (Zambia): Prograde metamorphism triggered by fluid infiltration, Contrib. Mineral. Petrol., 146, 174-191.
17. John, T., V. Schenk, K. Haase, E. Scherer, and F. Tembo (2003), Evidence for a Neoproterozoic ocean in south-central Africa from mid-oceanic-ridge-type geochemical signatures and pressure-temperature estimates of Zambian eclogites, Geology, 3l, 243-246.
18. John, T., E. E. Scherer, K. Haase, and V. Schenk (2004), Trace element fractionation during fluid-induced eclogitization in a subduction slab: Trace element and Lu-Hf/Sm-Nd isotope systematics, Earth Planet. Sci. Lett., 227, 441-456.
19. Johns, C. C., K. Liyungu, S. Mabuku, G. Mwale, F. Sakungo, D. Tembo, G. Vallance, and M. W. C. Barr (1989), The stratigraphie and structural framework of eastern Zambia: Results of a geotraverse, J. Afr. Earth Sci., 9, 123-136.
20. Johnson, S. P., and G. J. H. Oliver (2000), Mesoproterozoic oceanic subduction, island-are formation and the initiation of back-are spreading in the Kibaran belt of central, southern Africa: Evidence from the ophiolite terrane, Chewore inliers, northern Zimbabwe, Precambrian Res., 103, 125-146.
21. Johnson, S. P., and G. J. H. Oliver (2004), Tectonothermal history of the Kaourera Arc, northern Zimbabwe: Implications for the tectonic evolution of the Irumide and Zambezi Belts of south central Africa, Precambrian Res., 130, 71-97.
22. Johnson, S. P., T. Rivers, and B. De Waele (2005), A review of the Mesoproterozoic to early Palaeozoic magmatic and tectonothermal history of south-cen-tral Africa: Implications for Rodinia and Gondwana, J. Geol. Soc. London, 162, 433-450.
23. Johnson, S. P., De B. Waele, and F. Tembo (2006a), The Southern Irumide Belt, paper presented at 21st Colloquium of African Geology, Geol. Surv. of S. Afr., Maputo, Mozambique, 3-5 July.
24. Johnson, S. P., De B. Waele, D. Evans, F. Tembo, and W. Banda (2006b), A record of Neoproterozoic divergent processes along the southern margin of the Congo Craton, paper presented at 21st Colloquium of African Geology, Geol. Surv. of S. Afr., Maputo, Mozambique, 3-5 July.
25. Johnson, S. P., B. De Waele, F. Tembo, D. Evans, T. lizuka, and K. Tani (2006c), Geochronology of the Zambezi Supracrustal sequence, southern Zambia: A record of Neoproterozoic divergent processes along the southern margin of the Congo Craton, J. Geol., in press.
26. Key, R. M., A. K. Liyungu, F. M. Njamu, V. Sormwe, J. Banda, P. N. Mosley, and R. A. Armstrong (2001), The wvestem arm of the Lufilian Arc in NW Zambia and its potential for copper mineralisation, J. Afr. Earth Sci., 33, 503-528.
27. Kröner, A., R. Sacchi, P. Jaeckel, and M. Costa (1997), Kibaran magmatism and Pan-African granulite metamorphism in northern Mozambique: Single zircon ages and regional implications, J. Afr. Earth Sci., 25, 467-484.
28. Mapani, B. S. E., T. Rivers, F. Tembo, and C. Katongo (2001), Terrane mapping in the eastern Irumide and
29. Mozambique belts: Implications for the assembly and dispersal of Rodinia, in IGCP 418 4lh Field Meeting, edited by S. McCourt, pp. 10-11, Univ. of Durban-Westville, Durban, South Africa.
30. Mapani, B., T. Rivers, F. Tembo, B. De Waele, and C. Katongo (2004), Growth of the Irumide terranes and slices of Archaean age in eastern Zambia, paper presented at Geoscience Africa 2004, Geol. Soc. of S. Afr., Johannesburg.
31. Oliver, G. J. H., S. P. Johnson, I. S. Williams, and D. A. Herd (1998), Relict 1.4 Ga oceanic crust in the Zambezi Valley, northern Zimbabwe: Evidence for Mesoproterozoic supercontinental fragmentation, Geology, 26, 571-573.
32. Phillips, K. A. (1960), The geology of the Sinda area; explanation of degree sheet 1431, NE quarter. 9, Geol. Surv. of Zambia, Lusaka.
33. Pidgeon, R. T., D. Furfaro, A. K. Kennedy, A. A. Nemchin, and W. Van Bronswijk (1994), Calibration of zircon standards for the Curtin SHRIMP II, U.S. Geol. Surv. Circ., 1107, 251 pp.
34. Rubatto, D., and D. Gebauer (2000), Use of cathodoluminescence for U-Pb zircon dating by ion microprobe: Some examples from the western Alps, in Cathodoluminescence in Geosciences, edited by M. Pagel et al., pp. 373-400, Springer, New York.
35. Schenk, V., and P. Appel (2001), Anti-clockwise P-T path during ultrahigh-temperature (UHT) metamorphism at ca. 1050 Ma in the Irumide Belt of eastern Zambia, Ber. Disch. Mineral. Ges., Beih. Eur. J. Mineral., 13, 161.
36. Schenk, V., and P. Appel (2002), UHT-metamorphism in the Irumide belt of Zambia: An anti-clockwise P-T path and concordant monazite age at 1.05 Ga, in 19th Colloquium of African Geolog); El Jadida, Morocco, edited by N. Ennih, and G. Abdelsalam Mohamed, p. 165, Chouaib Doukkali Univ., El Jadida, Morocco.
37. Sircombe, N. K. (2004), Age display: An EXCEL workbook to evaluate and display univariate geochronological data using binned frequency histograms and probability density distributions, Comput. Geosci., 30,21-31.
38. Stacey, J. S., and J. D. Kramers (1975), Approximation of terrestrial lead isotopic evolution by a two-stage model, Earth Planet. Sci. Lett., 26, 207-221.
39. Tembo, F., T. Rivers, B. Mapani, B. De Waele, and C. Katongo (2002), Terrane mapping of the Irumide Orogen in eastern Zambia: Reconnaissance geochemistry of the meta-igncous rocks, paper presented at llth IAGOD Quadrennial Symposium and Geocongress, Geol. Surv. of Namibia, Windhoek.
40. Vavrda, I. (1974), The geology of the Chipata area: Explanation of degree sheet 1332, SE quarter, Geol. Surv. of Zambia, Lusaka.