Geochemical characteristics and zircon U-Pb isotopic ages of island-arc basic igneous complexes from the Tianshui area in West Qinling

Frontiers of Earth Science in China

Volumn 1, Issue 1, 2007, Pages 49-59

  Pei, Xianzhi ^a   Li, Zuochen ^a   Liu, Huibin ^a   Li, Gaoyang ^a   Ding, Saping ^a   Li, Yong ^a   Hu, Bo ^a   Guo, Junfeng ^a  

^a CHANG'AN UNIVERSITY   (China)

Author keywords

Basic igneous complex; Early Paleozoic; Geochemistry; Island arc setting; Tianshui area; West Qinling; Zircons U Pb isotopic ages

Indexed keywords

CHONDRITE; GEOCHEMISTRY; IGNEOUS GEOCHEMISTRY; IGNEOUS ROCK; ISLAND ARC; RARE EARTH ELEMENT; SUBDUCTION; THOLEIITE; URANIUM-LEAD DATING; ZIRCON;

CHINA; GANSU; QINLING MOUNTAINS; TIANSHUI;

EID: 34250725528     PISSN: 20950195     EISSN: 20950209     Source Type: Journal    
DOI: 10.1007/s11707-007-0008-3     Document Type: Article

References (33)

1. Boynton W C (1984). Geochemistry of the rare earth elements: Meteorite studies. In: Henderson P, ed. Rare Earth Element Geochemistry. Amsterdam: Elsevier
2. Bureau of Geology and Mineral Resources of Gansu Province (1989). Regional Geology of Gansu Province. Beijing: Geological Publishing House, 5-140 (in Chinese with English abstract)
3. Bureau of Geology and Mineral Resources of Gansu Province (1997). Stratigraphy (Lithostratic) of Gansu Province. Wuhan: China University of Geosciences Press, 1-294 (in Chinese)
4. Cabanis B, Lecolle M (1984). Le diagramme La/10-Y/15-Nb/8: Un outil pour la discrimination des series volcaniques et la mise en evidence des procesus de mélange et/ou de contamination crutale, C R Acad Sci Ser II, 309: 2023-2029
5. Condie K C (1989). Geochemical changes in basalts and andesites across the Archaean-Proterozoic boundary: Identification and significance. Lithos, 23: 1-18
6. Feng Y M, Cao X D, Zhang E P, et al (2002). Structure, Orogenic Process and Dynamics of the West Qinling. Xi': Xi'an Cartographic Publishing House, 1-263 (in Chinese)
7. Gill J B (1981). Orogenic Andesites and Plate Tectonic. Berlin: Springer-Verlag, 358
8. Henderson P (1984). Rare Earth Element Geochemistry. New York: Elsevier Science Publications B. V.
9. Le Maitre R W (1989). A classification of Igneous Rocks and Glossary of Terms, Recommendations of the International Union of Geological Sciences Subcommission on the Systematics of Igneous Rocks. Blackwell Scientific Publications
10. Li S G (1993). Ba-Nb-Th-La diagrams used to identify tectonic environments of ophiolite. Acta Petrologica Sinica, 9(2): 146-157 (in Chinese with English abstract)
11. Lu S N, Li H K, Chen Z H (2003). Characteristics, sequence and ages of Neoproterozoic thermo-tectonic events between Tarim and Yangtze blocks - A hypothesis of Yangtze-Tarim connection. Earth Science Frontiers, 10(4): 321-326 (in Chinese with English abstract)
12. Middlemost E A K (1994). Naming material in the magma/igneous rock system. Earth Science Reviews, 37: 215-224
13. Pearce J A (1982). Trace element characteristics of lavas from destructive plate boundaries. In: Thorpe R S, ed. Andesite. Chichester: Wiley, 525-548
14. Pearce J A, 1984. "Users Guide" to basalt discrimination diagrams. Guowai Dizhi, 11: 1-13 (in Chinese)
15. Pearce J A, Cann J R (1973). Tectonic setting of basic volcanic rocks determined using trace element analysis. Earth Planet Sci Lett, 19: 290-300
16. Pei X Z (1997). Compositions and Tectonic Evolution of the Shangdan Structural Zone in the East Qinling, China. Xi'an: Xi'an Cartographic Publishing House, 1-184 (in Chinese with English abstract)
17. Pei X Z, Ding S P, Hu B, et al (2004). Definition of the Guanzizhen ophiolite in Tianshui area, western Qinling, and its geological significance. Geological Bulletin of China, 23(12): 1202-1208 (in Chinese with English abstract)
18. Rollison H R, 1993. Using Geochemical Date: Evaluation, Presentation, Interpretation. New York: Longman Group UK Ltd.
19. Shervais J W (1982). Ti-V plots and the petrogenesis of modern and ophiolitic lavas. Earth Planet Sci Lett, 59: 101-118
20. Song Z G, Zhang Z T, Zhang M, et al (1991a). The disintegration of "Niutouhe Group" in the juncture region of Shaanxi-Gansu provinces and its significance in tectonics. Bulletin of the Xi'an Institute of Geology and Mineral Resources, CAGS, 31: 1-14 (in Chinese with English abstract)
21. Song Z G, Jia Q Z, Zhang Z T, et al (1991b). The Early Palaeozoic vocanic rock series and its interconnection relationship between the North Qinling and the North Qilian orogens. Bulletin of the Xi'an Institute of Geology and Mineral Resources, CAGS, 34: 1-82 (in Chinese with English abstract)
22. Wilson M (1989). Igneous Petrogenesis: A Global Tectonic Approach. London: Unwin Hyman, 1-466
23. Winchester J A, Floyd P A (1977). Geochemical discrimination of different magma series and their differentiation products using immobile elements. Chemical Geology, 20: 325-343
24. Xia L Q, Xia Z C, Ren Y Z, et al (1991). The Marine Facies Volcnnic Rocks of Qilian and Qinling Mountains. Wuhan: China University of Geosciences Press, 59-105 (in Chinese with English abstract)
25. Xu Z Q, Yang J S, Wu C L, et al (2003). Timing and machanism of formation and exhumation of the Qaidam ultra-pressure metamorphic belt. Acta Geologica Sinica, 77(2): 163-176 (in Chinese with English abstract)
26. Yang J S, Xu Z Q, Pei X Z, et al (2002). Discovery of diamond in North Qinling: Evidence for a giant UHPM belt across Central China and recognition of Paleozoic and Mesozoic dual deep subduction between North China and Yangtze plates. Acta Geologica Sinica, 76(4): 484-495 (in Chinese with English abstract)
27. Yang J S, Liu F L, Wu C L, et al (2003a). Two ultrahigh pressure metamorphic events recognized in the central orogenic belt of China: Evidence from the U-Pb dating of coesite-bearing zircons. Acta Geologica Sinica, 77(4): 463-477 (in Chinese with English abstract)
28. Yang J S, Xu Z Q, Dobrzhinetskaya L, et al (2003b). Discovery of metamorphic diamonds in Central China: An indication of a > 4 000-km-long zone of deep subduction resulting from multiple continental collisions. Terra Nova, 15(6): 370-379
29. Yang J L, Feng Y M, Pan X P (2001). Characteristics, isotopic age of Wushan ophiolite and its geological significance. Progress in Precambrian Research, 24(2): 98-106 (in Chinese with English abstract)
30. Zhang E P, Niu D Y, Huo Y G, et al (1992). Geological Map of Qinling-Daba Mountains and Adjacent Region of the People's Republic of China (Scale 1/1 000 000). Beijing: Geological Publishing House (in Chinese)
31. Zhang E P, Niu D Y, Huo Y G, et al (1993). Geologic-tectonic Features of Qinling-Dabashan Mountains and Adjacent Regions. Beijing: Geological Publishing House, 1-291 (in Chinese with English abstract)
32. Zhang G W, Zhang B R, Yuan X C, et al (2001). Qinling Orogenic Belt and Continental Dynamics. Beijing: Science Press, 1-855 (in Chinese)
33. Zhang W J, Meng X X, Hu J M, et al (1994). Tectonics of Conjoint Area between the Qilian and Qinling Orogens. Xi'an: Northwest University Press, 1-283 (in Chinese)