Genesis of mafic enclaves from rapakivi-textured granites in the Qinling and its petrological significance: Evidence of elements and Nd, Sr isotopes

Acta Petrologica Sinica

Volumn 21, Issue 3, 2005, Pages 935-946

  Wang, XiaoXia ^a,b   Wang, Tao ^c   Happala, Ilmari ^d   Lu, XinXiang ^e  

^a Key Lab of Lithosphere Tectonics and Lithoprobing Tech of the Min of Education Univ of Geosci   (China)

^b CHINA GEOLOGICAL SURVEY   (China)

^c INSTITUTE OF GEOLOGY   (China)

^d UNIVERSITY OF HELSINKI   (Finland)

^e Henan Institute of Geology   (China)

Author keywords

Dioritic magmatic enclave; Geochemistry; Hybrid magma; Qinling orogenic belt; Rapakivi texture; Sr and Nd isotope

Indexed keywords

GEOCHEMISTRY; ISOTOPES; NEODYMIUM; NICKEL; STRONTIUM; TRACE ELEMENTS;

ACTIVE ELEMENTS; DIORITIC MAGMATIC ENCLAVE; HYBRID MAGMA; ISOTOPIC SIGNATURES; MAFIC ENCLAVES; PETROLOGICAL SIGNIFICANCE; QINLING OROGENIC BELTS; SR AND ND ISOTOPES;

GRANITE;

ENCLAVE; GRANITE; IGNEOUS GEOCHEMISTRY; MAFIC ROCK; RAPAKIVI;

ASIA; CHINA; EURASIA; FAR EAST; QINLING MOUNTAINS;

EID: 84978017204     PISSN: 10000569     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (48)

1. Aydar E, Bayhan H and Gourgaud A. 2003. The lamprophyres of Afyon stratovalcano, western Anatolia, Turkey.. description and genesis. C. R. Geoscience, 335: 279-288
2. Baxter and Feely M. 2002. Magma mixing and mingling textures in granitoids: examples from the Galway Granite, Connemara, Ireland. Mineralogy and Petrology, 76:63-74
3. Bussy F. 1990. The rapakivi texture of fieldspars in a plutonic mixting environment: a dissolution- recrystallization process? Geol. J. 25: 319-324
4. Dawes P R. 1966. Genesis of rapakivi granite. Nature, 209:569-571
5. Dempster T J, Jenkin G R T and Rogers G. 1994. The origin of rapakivi texture. Jour. Petrel., 35:963-981
6. Eklund O and Shebanov A D. 1999. Origin of the rapakivi texture by sub-isothermal decompression. Precambrian Research, 95: 129-147
7. Elburg M A. 1996. Evidence of isotopic equilibration between microgranitoid enclaves and host granodiorite, Warburton Granodiorite, Lachlan Fold Belt, Australia. Lithos. 38:1-22
8. Elders W A. 1968. Mantled feldspars from the granites of Wisconsin. J. Geol. 76:37-49
9. Elliott B A. 2001. Crystallization conditions of the Wiborg rapakivi batholith, SE Finland: an evaluation of amphibole and biotite mineral chemistry. Miner. Petrol., 72(4): 305-324
10. Foley S F. 1984. Liquid immiscibility and melt segregation in alkaline lamprophyres from Labrador. Lithos, 17: 127-137
11. Frost C D, Bell J M and Chamberian K R. 2001. Crustal growth by magmatic underplating: Isotopic evidence from the northern Sherman batholith. Geology, 29: 515-518
12. Haapala I and Ramö O T. 1999. Rapakivi granite and related rocks: an introduction. Precambrian Research, 95(12): 1-7
13. Hibbard M J. 1981. The magma mixing origin of mantled feldspars. Contrib. Miner. Petrol. 76: 158-170
14. Hibbard M J. 1991. Textural anatomy of twelve magma-mixed granitoid system. In: J Dider, B Barbara (editor). Enclaves and granite petrology. Elsevier, Amsterdam, 431-444
15. Jahn B M, Wu F and Hong D. 2000. Important crustal growth in the Phanerozoic: Isotopic evidence of granitoids from east-central Asia. Proc. Indian Acad. Sci. (Earth Planet Sci.), 109(1): 5-20
16. Jiang Wan, Mo Xuanxue, Zhao Chonghe, Goo Tieying and Zhang Shuangquan. 1999. Geochemistry of granitoid and its mafic microgranular enclave in Gangdise belt, Qinghai-Xizang Plateau. Acta Petrologica Sinica, 14(1):89-97 (in Chinese with English abstract)
17. Kadioglu Y K and Gulec N. 1999. Types and genesis of the enclaves in Central Anatolian granitoids. Geology Journal, 34 (3): 243-256
18. Ling Hongfei, Zhai Jianping and Zhang Bangtong. 1990. Genesis of rapakivi feldspar and dark-coloured enclaves of the Yaocun granite bony in southern Anhui. Geological Review, 36(4): 20-30 (in Chinese with English abstract)
19. Lu Xinxiang, Deng Yong, Chang Qinling, Xiao Qinghui, Li Xiaobo, Wang Xiaoxia and Zhang Guowei. 1996. Indosinian Shahewan rapakivi granite in Qinling and its Dynamic significance. Science in China, 39(3): 266-272 (in Chinese)
20. Lu Xinxiang, Wei Xiangdong and Xiao Qinghui. 1998. The discovery of rapakivi granite in the west Qinling. Geological Review, 44 (5): 535-542 (in Chinese with English abstract)
21. Lu Xinxiang, Wei Xiangdong, Xiao Qinghui, Zhang Zhongqing, Li Huimin and Wang Wei. 1999. Geochronological. studies of rapakivi granites in Qinling and its geological implications. Geological Journal of China Universities, 15(4): 372-377 (in Chinese with English abstract)
22. Meng Q R and Zhang G W. 2000. Geological framework and tectonic evolution of the Qinling orogen, central China. Tectoniphysics, 323: 183-196
23. Meng Qingren and Zhang Guowei. 1999. Timing of collision of the North and South China blocks: Controversy and reconciliation. Geology, 27(1): 1-96
24. Mo Xuanxue, Luo Zhaohua, Xiao Qinghui, et al. 2002. Cognition of magma hybrid in granites and its research methods. In: Xiao Qinghui, DengJunfu, Ma Daquan, et al. eds. The ways of investigation on granitoids. Beijing: Geological Publishing House. 55-63 (in Chinese)
25. Nekvasil H. 1991. Ascent of felsic magmas and formation of rapakivi. Am. Miner., 76: 1279-1290
26. Neves S P and Vauchez A. 1995. Successive mixing and mingling of magmas in a platonic complex of Northeast Brazil. Lithos, 34:275-299
27. Nitoi E, Munteanu M and Marince S, et al. 2002. Magma enclave interactions in the East Carpathian Subvolcanic Zone, Romania: petrogenetic implications. J. Volcanology and Geothermal Research, 118 (1-2):229-259
28. Perugini D, Poli G and Prosperini N. 2002. Morphometric analysis of magmatic enclaves: a tool for understanding magma vesiculation and ascent. Lithos. 61(3-4):225-235
29. Perugini D, Poli G, Christofides G and Eleftheriadis G. 2003. Magma mixing in the Sithonia Plutonic Complex, Greece: evidence from mafic microgranular enclaves. Mineralogy and Petrology, 78 (3-4): 173-200
30. Poli G and Tommasini S. 1999. Geochemical modeling of acid basic magma interaction in the Sardinia Corsica Batholith: the case study of Sarrabus, southeastern Sardinia, Italy. Lithos, 46(3): 553-571
31. Rämö O T and Haapala I. 1995. One hundred years of rapakivi granite. Mineralogy and Petrology, 52:129-146
32. Salonsaari P T. 1995. Hybridization in the subvolcanic Jaala-Iitti complex and its petrogenetic relation to rapakivi granite and association mafic rocks of southeastern Finland. Bulletin of the Geological Society of Finland, 67(16):5-104
33. Silva M M V G, Neiva A M R and Whitehouse M J. 2000. Geochemistry of enclaves and host granite from the Nelas area, central Portugal. Lithos, 50:153-170
34. Stull R J. 1978. Mantled feldspars from the Golden Horn batholith, Washington. Lithos, 11:243-249
35. Sun DY, Wu FY, Lin Q and Lu XP. 2001. Petrogenesis and crust-mantle interaction of early Yanshanian Baishishan pluton in Zhangguangehai range. Acta Petrologica Sinica, 17(2):227-235 (in Chinese with English abstract)
36. Waight T E, Dean A A, Maas R and Nicholls I A. 2000. Sr and Nd isotopic investigations towards the origin of feldspar megacrysts in microgranular enclaves in two I-type plutons of the Lachlan Fold Belt, southeast Australia. Australian Journal of Earth Sciences, 47 (6): 1105-1112
37. Wang Tao. 2000. Origin of hybrid granitoids and the implication for continental dynamics. Acta Petrologica Sinica, 16(2):161-168 (in Chinese with English abstract)
38. Wang X X, Wang T, Lu X X and Xiao Q H. 2003. Laojunshan and Qinlingliang rapakivi-textured granite plutons in North Qinling and their tectonic setting: A possible orogenie-type rapakivi ganoids. Act Petrologica Sinica, 19(4): 650-660 (in Chinese with English abstract)
39. Wang Xiaoxia, Wang Tao, Haapala Ilmaxi and Lu Xinxiang. 2002. The Shahewan rapakivi-textured granite, Qinling orogen, central China: mineral composition and petrogenetic significance. Bulletin of the Geological Society of Finland, 74(1-2): 133-146
40. Wang Xiaoxia, Wang Tao and Lu Xinxiang. 2002a. Rapakivi texture of the Mesozoic Shahewan granite and related problems, North Qinling, central China. Acta Geoscietia Sinica, 23(1): 30-36 (in Chinese with English abstract)
41. Wang Xiaoxia, Wang Tao, Lu Xinxiang and Xiao Qinghui. 2002b. Petrographic evidence of hybridization magmas of the Laojunshan and Qinfingliang rapakivi-textured granites in the North Qinling and its significance. Geological Bulletin of China, 21(8-9):523-529 (in Chinese with English abstract)
42. Wang Xiaoxia. 2003. Mesozoic rapakivi-textured granitoids from North Qinling and their setting of tectonic dynamics. PhD dissertation. China University of Geosciences, Beijing (in Chinese with English abstract)
43. Zhang Guowei, Zhang Benren, Yuan Xueren and Xiao Qinghui. 2001. Qinling orogenie belt and continental dynamics. Beijing: Science publishing House, 320-321; 430-431 (in Chinese with English abstract)
44. Zhang Jing, Chen Yanjing, Shu Guirning, Zhang Foxing and Li Chao. 2002. A study on the mineral composition of Qinlingliang granite pluton in southwestern Shaanxi and a discussion on related problem. Science in China, 2: 113-120 (in Chinese)
45. Zhang Zhongqing, Zhang Guowei, Tang Suban and Lu Xinxiang. 1999. Age of the Shahewan rapakivi granite in Qinling orogen, China and its constraints on the end time of the major orogenic stage of this orogen. Science in China,44(9): 981-983 (in Chinese)
46. Zhou Ruo. 1994. Granite hybridization. Earth Science Frontiers, 1(1-2): 87-97 (in Chinese with English abstract)
47. Zhou Xinmin. 1998. Magma mixing and underplate. In: Auyang Zhiyuan ed. Review and prospect of mineral and geochernistry. Beijing: Atomic energy publishing House. 82-85 (in Chinese)
48. Zorpi M J. 1989. Magma mingling, zoning and emplacement in calcalkaline granitoid pluton. Tectonophysics, 157:315