Origin of two differentiation trends in the Emeishan flood basalts

Chinese Science Bulletin

Volumn 48, Issue 4, 2003, Pages 390-394

  Xu, Yigang ^a   Mei, Houjun ^a   Xu, Jifeng ^a   Huang, Xiaolong ^a   Wang, Yuejun ^a   Chung, Sun Lin ^b  

^a GUANGZHOU INSTITUTE OF GEOCHEMISTRY   (China)

^b Taipei County Hospital and Taiwan Medical University   (Taiwan)

Author keywords

Basalts; Crustal contamination; Differentiation; Emeishan large igneous province; Fe rich magma

Indexed keywords

EID: 7444255113     PISSN: 10016538     EISSN: 18619541     Source Type: Journal    
DOI: 10.1360/03tb9082     Document Type: Article

References (24)

1. Bowen, N. L., The Evolution of The Igneous Rocks, Princeton: Princeton University Press, 1928, 1-334.
2. Fenner, C. N., The crystallisation of basalt, Am. J. Sci., 1929, 18: 223-253.
3. Osborn, E. F., Role of oxygen pressure in the crystallisation and differentiation of basaltic magmas, Am. J. Sci., 1959, 257: 609-647.
4. Toplis, M. J., Carroll, M. R., An experimental study of the influence of oxygen fugacity on Fe-Ti oxide stability, phase relations, and mineral-melt equilibria in ferro-basaltic systems, J. Petrol., 1995, 36: 1137-1170.
5. Jang, Y. D., Naslund, H. R., McBirney, A. R., The differentiation trend of the Skaergaard intrusion and the timing of magnetite crystallisation: iron enrichment revisited, Earth Planet. Sci. Lett., 2001, 189: 189-196.
6. Hunter, R. H., Sparks, R. S. J., The differentiation of the Skaergaard intrusion, Contrib. Mineral. Petrol., 1987, 9: 451-461.
7. Wager, L. R., The major element variation of the Layered Series of the Skaergaard intrusion and a re-estimation of the average composition of the hidden layered series and of the successive residual magma, J. Petrol., 1960, 1: 364-398.
8. McBirney, A. R., The Skaergaard Intrusion, Layered Intrusions (ed. Cawthorn, R. J.), Amsterdam: Elsevier Science, 1996, 147-180.
9. McBirney, A. R., Naslund, H. R., A discussion of Hunter and Sparks, Contrib. Mineral. Petrol., 1990, 104: 235-240.
10. Morse, S. A., A discussion of Hunter and Sparks, Contrib. Mineral. Petrol., 1990, 104: 240-244.
11. Brooks, C. K., Nielsen, T. F. D., A discussion of Hunter and Sparks, Contrib. Mineral. Petrol., 1990, 104: 244-247.
12. Brooks, C. K., Larsen, L. M., Nielsen, T. F. D., Importance of iron-rich tholeiitic magmas at divergent plate margins: a reappraisal, Geology, 1991, 19: 269-272.
13. Chung, S. L., Jahn, B. M., Plume-lithosphere interaction in generation of the Emeishan flood basalts at the Permian-Triassic boundary, Geology, 1995, 23: 889-892.
14. Lu, J. R., Dynamic characteristics of the Emei mantle plume, Acta Geoscientia Sinica (in Chinese), 1996, 17: 424-438.
15. Xu, Y. G., Chung, S. L., Jahn, B. M. et al., Petrological and geochemical constraints on the petrogenesis of the Permo-Triassic Emeishan flood basalts in southwestern China, Lithos., 2001, 58: 145-168.
16. Cong, B. L., The Formation and Evolution of the Panxi Paleo-rift (in Chinese), Beijing: Science Press, 1988, 1-424.
17. O2 and T-p paths of tholeiitic magmas, Contrib. Mineral. Petrol., 1993, 113: 73-86.
18. Sun, S. S., McDonough, W. F., Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes, Magmatism in the ocean basins (eds. Saunders, A. D., Norry, M. J.), London: Geological Society Special Publication, 1989, 313-345.
19. Ellam, R. M., Cox, K., An interpretation of Karoo picrite basalts in terms of interaction between asthenospheric magmas and the mantle lithosphere, Earth Planet. Sci. Lett., 1991, 105: 330-342.
20. DePaolo, D. J., Trace element and isotopic effects of combined wallrock assimilation and fractional crystallization, Earth Planet. Sci. Lett., 1981, 53: 189-202.
21. Gao, S., Luo, T., Zhang, B. R. et al., Chemical composition of the continental crust as revealed by studies in East China, Geochim. Cosmochim. Acta, 1998, 62: 1959.
22. Sparks, R. S., Meyer, P., Sigursson, H., Density variation amongst mid-ocean ridge basalts: implications for magma mixing and the scarcity of primitive lavas, Earth Planet. Sci. Lett., 1980, 46: 419 -430.
23. Arndt, N. T., Czamanske, G. K., Wooden, J. L. et al., Mantle and crustal contributions to continental flood volcanism, Tectonophysics, 1993, 223: 39-52.
24. Zhou, M. F., Malpas, J., Song, X. Y. et al., A temporal link between the Emeishan large igneous province (SW China) and the end-Guadalupian mass extinction, Earth Planet. Sci. Lett., 2002, 196: 113-122.