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Last Paleozoic Subduction in Eastern Junggar: Evidence from Geochemistry, Geochronology and Petrogenesis of Carboniferous Volcanic Rocks

Received: 13 May 2022     Accepted: 30 May 2022     Published: 4 November 2022
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Abstract

The Carboniferous Batamayineishan volcanic rocks in Eastern Junggar are widely distributed on a huge scale. Studies on geochemistry, geochronology and petrogenesis of these volcanic rocks show that: (1) they have complex volcanic rock types with basalt - andesite - dacite - rhyolite assemblages and are of high-K calc-alkaline series, with enrichment of large ion lithophile elements (LILE) (Sr, K, Rb, Ba, Th) and light rare earth elements (LREE) and depletion of high field strength elements (HFSE) (Nb, Ta, Ti) and heavy rare earth elements (HREE). Besides, the initial 87Sr/86Sr and 143Nd/144Nd ratios are low and the εNd (t) values mostly vary from 3.0 to 6.2. All these features suggest that the volcanic rocks were formed in the immature back-arc basin related to subduction; (2) The Batamayineishan volcanic rocks may be produced by the multi-source materials interaction of young lower crust and deep mantle materials which are mainly composed of the Paleozoic residual oceanic crust and island arc system. The basalts were dominantly derived from the depleted mantle, and the crust-mantle magmatism and the homogenization of the Sm-Nd isotope system have occurred with a small amount of young crustal materials in the magma source. Their formation is likely related to the partial melting of the overlying mantle wedges caused by the fluids generated by the metamorphism and dehydration of subducted sediments and/or subducted oceanic crust. However, the acidic volcanic rocks are the result of the mixing of a small amount of mantle-derived magma undergoing strong crystallization differentiation and a mass of crust-derived materials; (3) The Sm-Nd isochron age of the basalts is (319.7±5.9) Ma, which is consistent with the regional tectonic setting and the evidence from fossils in Batamayineishan Formation, and represents the eruption age of the Batamayineishan volcanic rocks. In summary, we consider that the subduction of the Paleo-Asian Ocean continued in Eastern Junggar around 320Ma, and its final closure time should be between 320 Ma and 310 Ma. During this process, the volcanic magmatisms in Eastern Junggar were very intense and involved abundant mantle-derived materials, implying that Eastern Junggar has a superior prospecting potential.

Published in Earth Sciences (Volume 11, Issue 6)
DOI 10.11648/j.earth.20221106.11
Page(s) 338-354
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

Volcanic Rocks, Geochemistry, Back-arc Basin, Carboniferous, Batamayineishan Formation, Eastern Junggar

References
[1] Xiao, X., Tang, Y., & Feng, Y. (1992). Tectonics of Northern Xinjiang and its adjacent areas. Beijing: Geological Publishing House. 1-167.
[2] Xiao, W., Han, C., Yuan, C., Chen, H., Sun, M., & Lin, S. et al. (2006). Unique Carboniferous-Permian tectonic-metalloogenic framework of Northern Xinjiang (NW China): Constraints for the tectonics of the southern Paleoasian Domain. Acta Petrologica Sinica, 22 (5): 1062-1076.
[3] Liu, J., & Xia, Z. (2002). Continental volcanism and Au-Cu metallogenesis in Eastern Junggar, Xinjiang. Beijing Geological Publishing House. 1-225.
[4] Tan, J., Wu, R., Zhang, Y., Wang, S., & Guo, Z. (2009). Characteristics and dating of volcanic rocks of Batamayneshan Formation in Kalameli area, Eastern Junggar. Acta Petrologica Sinica. 25 (3): 539-546.
[5] Yang, P., Gu, S., Zhu, Z., & Feng, Q. (2007). Paleontology and geochemistry study on the radiolarian pebbles from the Lower Jurassic in northeastern the Junggar basin. Journal of Mineralogy and Petrology. 27 (3): 34-38.
[6] Su, Y., Zheng, J., Griffin, W., Tang, H., O Reilly, S., & Lin, X. (2010). Zircon U-Pb and Hf isotopes of volcanic rocks from the Batamayineishan Formation in Eastern Junggar Basin. Chinese Science Bulletin, 55 (36), 4150-4161. doi: 10.1007/ s11434-010- 4151-y.
[7] Su, Y., Zheng, J., Griffin, W., Zhao, J., Tang, H., & Ma, Q. (2012). Geochemistry and geochronology of Carboniferous volcanic rocks in the eastern Junggar terrane, NW China:Implication for a tectonic transition. Gondwana Res, 22 (3-4), 1009-1029. doi: 10.1016/j.gr.2012.01.004.
[8] Li, D., He, D., Santosh, M., & Tang, J. (2014). Petrogenesis of Late Paleozoic volcanics from the Zhaheba depression, East Junggar: Insights into collisional event in an accretionary orogen of Central Asia. Lithos, 184-187, 167-193. doi: 10.1016/j.lithos.2013.10.003.
[9] Luo T, Chen S., Liao Q., Chen J., Hu C., & Wang F., etc. (2016). Geochronology, geochemistry and geological significance of the Late Carboniferous bimodal volcanic rocks in the eastern Junggar. Earth Science, 41 (11): 1845- 1862.
[10] Guo, J., Fan, H., Zhang, S., Liu, X., Wu, T., & Ma, W., et al. (2020). Petrological, He–Ne–Ar and Sr–Nd–Pb geochemical of volcanic rocks constraint on tectonic settings and geodynamic process of the Carboniferous, East Junggar. Journal of Natural Gas Geoscience, 5 (2), 91-104. doi: 10.1016/j.jnggs.2020.02.002.
[11] Zou G, Yu N, Sun G, Huang X, Nijati A., & Lu G. (2021). Geochemical Characteristics and Tectonic Significance of Carboniferous Bimodal Volcanic Rocks in Aoyituolangge Area, Eastern Junggar. Journal of Jilin University (Earth Science Edition), 51 (2): 455-472.
[12] Zhu, Z., Li, S., & Li, GL. (2005). The characteristics of sedimentary system-continental facies volcano in later Carboniferous batamayi group, Zhi-Fang Region, East Junggar. Xinjiang Geology, 23 (1): 14-25.
[13] Zhao, X.‚ Jia C.‚ Zhang, G.‚ Wei, Y.‚Lai, S.‚& Fang, X. et al. (2008). Geochemistry and tectonic settings of Carboniferous intermediate-basic volcanic rocks in Ludong-Wucaiwan‚ Junggar basin. Earth Science Frontiers, 15 (2): 272-279.
[14] Mao, Z., Zou, C., Zhu, R., Guo, H., Wang, J., & Tang, Y. et al. (2010). Geochemical characteristics and tectonic settings of Carboniferous volcanic rocks in the Junggar Basin. Acta Petrologica Sinica, 26 (1): 207-216.
[15] Long, X., Sun, M., Yuan, C., Xiao, W., Chen, H., & Zhao, Y. (2006). Genesis of Carboniferous volcanic rock in the Eastern Junggar: constraints on the closure of the Junggar Ocean. Acta Zoologica Sinica, 22 (1): 31-40.
[16] Bian, W. (2011). Volcanic reservoir geological characterization of the Batamayineishan Formation in Junggar Basin. Doctoral Dissertation, 1-81.
[17] Wang, J., Su, Y., Zheng, J., Belousova, E., Chen, M., & Dai, H. (2021). Petrogenesis of early Carboniferous bimodal-type volcanic rocks from the Junggar Basin (NW China) with implications for Phanerozoic crustal growth in Central Asian Orogenic Belt. Gondwana Res, 89, 220-237. doi: 10.1016/j.gr.2020.10.008.
[18] Huang, J., Jiang, C., & Wang, Z. (1990). On the opening-closing tectonics and accordion movement of plate in Xinjiang and adjacent regions. Geoscience of Xinjiang, (1): 3-14.
[19] Wang, D., & Deng, J. (1995). Characteristics and evolution of the plate tectonics in Eastern Jungar, Xinjiang. Journal of Chengdu Institute of Technology, 22 (4): 38-45.
[20] Shu, L., & Wang, Y. (2003). Late Devonian-Early Carboniferous radiolarian fossils from siliceous rocks of the Kalamaili ophiolite, Xinjiang. Geological Review, 19 (4): 408-412.
[21] Li, J., Yang, T., Li, Y., & Zhu, Z. (2009). Geological features of the Kalamaili faulting belt, eastern Junggar region, Xinjiang, China and its constraints on the reconstruction of Late Paleozoic ocean-continental framework of the Central Asian region. Geological Bulletin of China, 28 (12): 1817-1826.
[22] Wang, B., Jiang, C., Li, Y., Wu, H., Xia, Z., & Lu, R. (2009). Geochemistry and tectonic implications of Karamaili ophiolite in Eastern Junggar of Xinjiang. Journal of Mineralogy and Petrology, 29 (3): 74-82.
[23] Zhi, Q., Li, Y., Duan, F., Tong, L., Chen, J., & Gao, J. (2020). Geochemical, Sr-Nd-Pb and zircon U-Pb-Hf isotopic constraints on the Late Carboniferous back-arc basin basalts from the Chengjisihanshan Formation in West Junggar, NW China. Geol Mag, 157 (11), 1781-1799. doi: 10.1017/S0016756820000059.
[24] Yin, J., Yuan, C., Sun, M., Long, X., Zhao, G., & Wong, K. (2010). Late Carboniferous high-Mg dioritic dikes in Western Junggar, NW China: Geochemical features, petrogenesis and tectonic implications. Gondwana Research, 17 (1), 145-152. doi: 10.1016/j.gr. 2009.05.011.
[25] Tang, H., Meng, G., Yang, Y., Deng, Z., Yan, J., & Qi, G. et al. (2018). Geological and geochemical features of the Permian bimodal volcanic rocks in the Qiakurtu Area, Eastern Junggar Basin, Xinjiang, and their tectonic significance. Geoloogical Review, 64 (06): 1393-1412.
[26] Deng, J., Luo, Z., Su, S., Mo, X., Ding, B., & Lai, X. et al. (2009). Petrogenetic tectonic environment and mineralization. Beijing Geological Publishing House. 1-381.
[27] Sun, S., Mcdonough, W., Saunders, A., & Norry, M. (1989). Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. Geological Society Special Publications, 42 (1), 313-345. doi: 10.1144/GSL. SP.1989.042.01.19.
[28] Le Maitre, R., Streckeisen, A., Zanettin, B., Le Bas, M., Bonin, B., & Bateman, P. (2002). Igneous Rocks: A Classification and Glossary of Terms: Recommendations of the International Union of Geological Sciences Subcommission on the Systematics of Igneous Rocks (2nd ed.). Cambridge: Cambridge University Press, 30-42. doi: 10.1017/CBO9780511535581.
[29] Winchester, J., & Floyd, P. (1977). Geochemical discrimination of different magma series and their differentiation products using immobile elements. Chemical Geology, 20: 325-343. doi: 10.1016/0009-2541(77)90057-2.
[30] Rickwood, P. (1989). Boundary lines within petrologic diagrams which use oxides of major and minor elements. Lithos, 22 (4), 247-263. doi: 10.1016/0024-4937(89)90028-5.
[31] Irvine, T., & Baragar, W. (1971). A guide to the chemical classification of the common volcanic rocks. Can J Earth Sci, 8 (5), 523-548. doi: 10.1139/e71-055.
[32] Wilson M. (2007). Igneous Petrogenesis: A global Tectonic Approach. London: Unwin Hymen Ltd, 1-466.
[33] Li, Y., Yang, J., Zhang, J., Li, T., Chen, S., Ren, Y., & Xu, X. (2011). Tectonic significance of the Carboniferous volcanic rocks in eastern Tianshan. Acta Petrologica Sinica, 27 (1): 193-209.
[34] Pearce, J. (1982). Trace element characteristics of Lava from destructive plate boundaries. In: Thorpe R S. ed. Andesites: orogenic andesites and related rocks. New York: John Willey and Sons, v525~548.
[35] Zhang, B. (2021). Geochemical study of continental orogenic belts: on the improvement of geochemical discrimination of tectonic settings of rocks. Northwestern Geology, 34 (3): 1-17.
[36] Depaolo, D., & Wasserburg, G. (1977). The sources of island arcs as indicated by Nd and Sr isotopic studies. Geophys Res Lett, 4 (10), 465-468. doi: 10.1029/GL004i010p00465.
[37] Cui, M., Meng, F., & Wu, X. (2011). Early Ordovician island arc of Qimantag Mountain, eastern Kunlun: Evidence from geochemistry, Sm-Nd isotope and geochronology of intermediate-basic igneous rocks. Acta Petrologica Sinica, 27 (11): 3365-3379.
[38] Dilek, Y., Furnes, H., & Shallo, M. (2008). Geochemistry of the Jurassic Mirdita Ophiolite (Albania) and the MORB to SSZ evolution of a marginal basin oceanic crust. Lithos, 100 (1-4), 174-209. doi: 10.1016/j.lithos.2007.06.026.
[39] Zhang, Y., & Guo, Z. (2010). New constraints on formation ages of ophiolites in Northern Junggar and comparative study on their connection. Acta Petrologica Sinica, 26 (2): 421-430.
[40] Yang, K., Bian, W., Wang, Q., Wang, P., Lang, J., & Li, Z. (2018). Zircon U-Pb age and its geological significance of the igneous rocks from Batamayineishan Formation in East Junggar. Acta Petrologica Sinica, 34 (11): 3341-3358.
[41] Tang, H., Su, Y., Liu, C., Hou, G., & Wang, Y. (2007). Zircon U-Pb age of the plagiogranite in Kalamaili belt, Northern Xinjiang and its tectonic implications. Geotectonica et Metallogenia, 31 (1): 110-117.
[42] Zhou, D., Liu, Y., Xing, X., Hao, J., Dong, Y., & Ouyang, Z. (2006). Formation of the Permian basalts and implications of geochemical tracing for paleo-tectonic setting and regional tectonic background in the Turpan-Hami and Santanghu basins, Xinjiang. Science in China (Series D), 49 (6): 584-596.
[43] Hao, J., Zhou, D., Liu, Y., & Xing, X. (2006). Geochemistry and tectonic settings of Permian volcanic rocks in Santanghu basin, Xinjiang. Acta Petroologica Sinica, 22 (1): 189-198.
[44] Bi C., Yu N., Lu G., Nijiati·A., Pan F., & Mabi Ai. (2019). Redetermination and disintegration of the continental volcanic strata of the former Santanghu Formation in Oetonggar area, Eastern Junggar Basin. Geology in China, 46 (6): 1384-1395.
[45] Rudnick, R. & Gao, S. (2003). The composition of the Continental Crust. Treatise Geochem 3: 1-64. Treatise on Geochemistry (eds. Holland, H. and Turekinan, K.). Elsevier, Oxford, 3: 1-64. doi: 10.1016/B0-08-043751-6/03016-4.
[46] Aldrich, M, Chapin, C., & Laughlin, A. (1986). Stress history and tectonic development of the Rio Grande Rift, New Mexico. Journal of Geophysical Research: Solid Earth, 91 (B6), 6199-6211. doi: 10.1029/JB091iB06p06199.
[47] Xia, L., Xia, Z., Xu, X., Li, X. & Ma, Z. (2007). The discrimination between continental basalt and island arc basalt based on geochemical method. Acta Petrologica et Mineralogica. 26 (1): 77-89.
[48] Su, W., Cai, K., Sun, M., Wan, B., Wang, X., & Bao, Z. (2018). Carboniferous volcanic rocks associated with back-arc extension in the western Chinese Tianshan, NW China: Insight from temporal-spatial character, petrogenesis and tectonic significance. Lithos, 241-254. doi: 10.1016/j.lithos.2018.04.012.
[49] Saunders, A., Storey, M., Kent, R., & Norry, M. (1992). Consequences of plume-lithosphere interaction. Geological Society, London, Special Publications, London, 68: 41-60. doi: 10.1144/GSL.SP.1992.068.01.04.
[50] Kieffer, B., Arndt, N., Lapierre, H., Bastien, F., Bosch, D., & Pecher, A. (2004). Flood and Shield Basalts from Ethiopia: Magmas from the African Superswell. J Petrol, 45 (4), 793-834. doi: 10.1093/petrology/egg112.
[51] Weaver, B., Tarney, J., Pollack, H., & Murthy, V. (1984). Major and trace element composition of the continental lithosphere. Phys Chem Earth, 15, 39-68. doi: 10.1016/0079-1946(84)90004-1.
[52] Wedepohl, K. (1995). The composition of the continental crust. Geochimica et Cosmochimica Acta, 59 (7): 1217-1232. doi: 10.1016/0016-7037(95)00038-2.
[53] Rollinson, H. (1993). Using geochemical data: evaluation, presentation, interpretation. Longnan Group UK Ltd., New York, 1-352. doi: 10.1180/minmag.1994.058.392.25.
[54] Gill, J. (1981). Geophysical Setting of Volcanism at Convergent Plate Boundaries, Orogenic Andesites and Plate Tectonics. Berlin: Springer, 44-63. doi: 10.1007/978-3-642-68012-0.
[55] Li, W, Liu, Y, Dong, Y, Zhou, X, Liu, X, & Li, H. et al. (2012). The geochemical characteristics, geochronology and tectonic significance of the Carboniferous volcanic rocks of the Santanghu area in northeastern Xinjiang, China. Science China: Earth Sciences, 42 (11): 1716-1728.
[56] Deng, J., Xiao, Q., Su, S., Liu, C., Zhao, G., & Wu, Z. et al. (2007). Igneous petrotectonic assemblages and tectonic settings: a discussion. Geological Journal of China Universities, 13 (3): 392-402.
[57] Pearce, J., & Cann, J. (1973). Tectonic setting of basic volcanic rocks determined using trace element analyses. Earth Planet Sc Lett, 19 (2), 290-300. doi: 10.1016/0012-821X (73)90129-5.
[58] Meschede, M. (1986). A method of discriminating between different types of mid-ocean ridge basalts and continental tholeiites with the Nb-Zr-Y diagram. Chem Geol, 56 (3-4), 207-218. doi: 10.1016/0009-2541(86)90004-5.
[59] Pearce, J., Harris, N. & Tindle, A. (1984). Trace element discrimination diagrams for the tectonic interpretation of granitic rocks. Journal of Petrology, 25 (4): 956-983. doi: 10.1093/petrology/25.4.956.
[60] Cabanis, B., & Thieblemont, D. (1988). La discrimination des tholeiites continentales et des basaltes arriere-arc proposition d'un nouveau diagramme, le triangle Th-3xTb-2xTa. Bulletin de la Société Géologique de France, IV (6), 927-935. doi: 10.2113/gssgfbull.IV.6.927.
[61] Pearce, J., & Norry, M. (1979). Petrogenetic implications of Ti, Zr, Y, and Nb variations in volcanic rocks. Contrib Mineral Petr, 69 (1), 33-47. doi: 10.1007/BF00375192.
[62] Wu, X., Liu, D., Wei, G., Li, J. & Li, Z. (2009). Geochemical characteristics and tectonic settings of Carboniferous volcanic rocks from Ludong-Wucaiwan area, the Junggar basin. Acta Petrological Sinica, 25 (1): 55-66.
[63] Tian, L., Castillo, P., Hawkins, J., Hilton, D., Hanan, B, & Pietruszka, A. (2008). Major and trace element and Sr-Nd isotope signatures of lavas from the Central Lau Basin: Implications for the nature and influence of subduction components in the back-arc mantle. J Volcanol Geoth Res, 178 (4), 657-670. doi: 10.1016/j.jvolgeores.2008.06.039.
[64] Randall, A., Martin, R., John, L., Jorge, A., & Lawrence, A. (2002). Geochemistry of back arc basin volcanism in Bransfield Strait, Antarctica: Subducted contributions and along-axis variations. Journal of Geophysical Research: Solid Earth, 107 (B8): EVC4-1-EVC4-17. doi: 10.1029/2001JB000444.
[65] Fretzdorff, S., Livermore, R. A., Devey, C. W., Leat, P. T., & Stoffers, P. (2002). Petrogenesis of the back-arc East Scotia Ridge, South Atlantic Ocean. J Petrol, 43 (8), 1435-1467. doi: 10.1093/petrology/43.8.1435.
[66] Saunders, A., & Tarney, J. (1979). The geochemistry of basalts from a back-arc spreading centre in the East Scotia Sea. Geochim Cosmochim Ac, 43 (4), 555-572. doi: 10.1016/0016-7037(79)90165-0.
[67] Dosso, L., Boespflug, X., Romeur, M., Turpin, L., Calvez, JY., & Bougault, H. (1988). Isotopic and trace element data on Vack-Arc basalts from the South West Pacific Basins and the Sunda Arc. Chemical Geology, 70 (1-2): 47.
[68] Xu, J., Mei, H., Yu, X., Bai, Z., Niu, H., & Chen, F. et al. (2001). Adakites related to subduction in the northern margin of Junggar arc for the Late Paleozoic: Products of slab melting. Chinese Science Bulletin, 46 (8): 684-688.
[69] Zhang, H., Niu, H., Yu, X., Hiroaki, S., Junichi, I., & Shan, Q. (2003a). Geochemical characteristics of the Shaerbulake boninites and their tectonic significance, Fuyun County, Northern Xinjiang, China. Geochimica, 32 (3): 155-160.
[70] Zhang, H., Niu, H., Yu, X., Shan, Q., Hiroaki, S., & Junichi, I. (2003b). Discovery of Nb-Rich basalt at the northeast margin of the Junggar late and the geological sigificance. Discussion on Geological Prospecting, 18 (1): 71-72.
[71] Zhang, H., Niu, H., Hiroaki, S., Shan, Q., Yu, X., & Junichi, I. (2004). Late Paleozoic adakite and Nb enriched basalt from Northern Xinjiang: Evidence for the Southward Subduction of the Paleo-Asian Ocean. Geological Journal of China Universities, 10 (1): 106-113.
[72] Yuan, C., Xiao, W., Chen, H., Li, J., & Sun, M. (2006). Zhaheba potassic basalt, Eastern Junggar (NW China): Geochemical Characteristics and Tectonic Implications. Acta Geologica Sinica, 80 (2): 254-263.
[73] Niu, H., Shan, Q., Zhang, H., & Yu, X. (2007a). 40Ar/39Ar geochronoloogy of the ultrahigh-pressure metamorhic quartz- magnesitite in Zaheba, Eastern Junggar, Xinjiang. Acta Petrologica Sinica, 23 (7): 1627-1634.
[74] Niu, H., Zhang, H., Shan, Q., & Yu, X. (2007b). Discovery of supertitanicand supersilicie garnet eclogite in Zhaheba and their geologicalsignificance. Chinese Science Bulletin, 18: 2169-2175.
[75] Niu, H., Shan, Q., Zhang, B., Luo, Y., Yang, W. &Yu, X. (2009). Discovery of garnet amphibolite in Zaheba ophiolitic melange, Eastern Junggar, NW China. Acta Petrologica Sinica, 25 (6): 1484-1491.
[76] Dong, L., Xu, X., Qu, X., & Li, G. (2009). Tectonic setting and formation mechanism of the circum-the Junggar porphyritic copper deposit belts. Acta petrologica Sinica, 25 (4): 713-737.
[77] Gu, P., Li, Y., Wang, X., Zhang, H., & Wang, J. (2010). Geochemical evidence and tectonic significances of Dalabute SSZ-type ophiolitic Mélange, Western Junggar Basin. 57 (1): 36-44.
[78] Xu, X., He, G., Li, H., Ding, T., Liu, X., & Mei, S. (2006). Basic characteristics of the Karamay ophiolitic melange belt and SHRIMP age information of faultstones. Geology of China, 33 (3): 470-475.
[79] Su, Y., Tang, H., & Cong, F. (2008). Zircon U-Pb age and petrogenesis of the Huangyangshan alkalinegranite body in East Junggar, Xinjiang. Acta Mineralogica Sinica, 28 (2): 117-126.
[80] Tang, H., Meng, G., WANG, Z. (2021). Zircon U-Pb geochronology and Lu-Hf isotopic characteristics of alkaline granites in Zhaheba area, East Junggar, Xinjiang, and their geological significance. Geological Review, 67 (1): 67-68.
[81] Plank, T., & Langmuir, C. (1998). The chemical composition of subducting sediment and its consequences for the crust and mantle. Chem Geol, 145 (3), 325-394. doi: 10.1016/S0009-2541(97)00150-2.
[82] Edwards, C., Menzies, M., Thirlwall, M., Morris, J., Leeman, W., & Harmon, R. (1994). The transition to potassic alkaline volcanism in island arcs: the Ringgit-Beser Complex, East Java, Indonesia. J Petrol, 35 (6), 1557-1595. doi: 10.1093/petrology/35.6.1557.
[83] Turner, S., Foden, J., George, R., Evans, P., Varne, R., Elburg, M., & Jenner, G. (2003). Rates and processes of potassic magma evolution beneath Sangeang Api Volcano, East Sunda Arc, Indonesia. J Petrol, 44 (3): 491-515. doi: 10.1093/petrology/44.3.491.
[84] Wyman, D., Ayer, J., & Devaney, J. (2000). Niobium-enriched basalts from the Wabigoon subprovince, Canada: evidence for adakitic metasomatism above an Archean subduction zone. Earth Planet Sc Lett, 179 (1), 21-30. doi: 10.1016/S0012-821X(00)00106-0.
[85] Hollings, P. (2002). Archean Nb-enriched basalts in the northern Superior province. Lithos, 64: 1-14. doi: 10.1016/S0024- 4937(02)00154-8.
[86] Castillo, P. (2004). Geochemical Constraints on Possible Subduction Components in Lavas of Mayon and Taal Volcanoes, Southern Luzon, Philippines. J Petrol, 45 (6), 1089-1108. doi: 10.1093/petrology/egh005.
[87] Defant, M. J., & Drummond, M. S. (1990). Derivation of some modern arc magmas by melting of young subducted lithosphere. Nature (London), 347 (6294), 662-665. doi: 10.1038/347662a0.
[88] Rapp, R., & Watson, E. (1995). Dehydration melting of metabasalt at 8-32 kbar: implications for continental growth and crust-mantle recycling. J Petrol, 36 (4): 891-931. doi: 10.1093/petrology/36.4.891.
[89] Chen, B., & Arakawa, Y. (2005). Elemental and Nd-Sr isotopic geochemistry of granitoids from the West Junggar foldbelt (NW China), with implications for Phanerozoic continental growth. Geochim Cosmochim Ac, 69 (5), 1307-1320. doi: 10.1016/j.gca.2004.09.019.
[90] Chen, J., Han, B., & Zhang, L. (2010). Geochemistry, Sr-Nd isotopes and tectonic implications of two generations of Late Paleozoic plutons in northern West Junggar, Northwest China. Acta Petrologica Sinica, 26 (8): 2317-2335.
[91] Hong, D., Wang, S., Xie, X., Zhang, J., & Wang, T. (2003). Metallogenic province Derived from mantle Sources: a case study of Central Asian Orogenic Belt. Mineral Deposits. 22 (1): 41-54.
[92] Huang, F., & Jiang, C. (2006). Study on Tengchong volcano. Kunming: Yunnan Science and Technology Press, 96-110.
[93] Zhu, D., Pan, G., Mo, X., Wang, L., Liao, Z., & Zhao, Z. et al. (2006). Late Jurassic-Early Cretaceous geodynamic setting in middle-northern Gangdese: New insights from volcanic rocks. Acta Petrologica Sinica, 22 (3): 534-546.
[94] Xia, L., Xia, Z., Xu, X., Li, X., Ma, Z., & Wang, L. (2005). Relationships between basic and silicic magmatism in continental rift settings: a petrogeochemical study of the Carboniferous post-collisional rift silicic volcanics in the Tianshan, NW China. Acta Geologica Sinica, 79 (5): 633-353.
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    Feng Zhang, Tao Xu, Yingchuan Lu. (2022). Last Paleozoic Subduction in Eastern Junggar: Evidence from Geochemistry, Geochronology and Petrogenesis of Carboniferous Volcanic Rocks. Earth Sciences, 11(6), 338-354. https://doi.org/10.11648/j.earth.20221106.11

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    Feng Zhang; Tao Xu; Yingchuan Lu. Last Paleozoic Subduction in Eastern Junggar: Evidence from Geochemistry, Geochronology and Petrogenesis of Carboniferous Volcanic Rocks. Earth Sci. 2022, 11(6), 338-354. doi: 10.11648/j.earth.20221106.11

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    Feng Zhang, Tao Xu, Yingchuan Lu. Last Paleozoic Subduction in Eastern Junggar: Evidence from Geochemistry, Geochronology and Petrogenesis of Carboniferous Volcanic Rocks. Earth Sci. 2022;11(6):338-354. doi: 10.11648/j.earth.20221106.11

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  • @article{10.11648/j.earth.20221106.11,
      author = {Feng Zhang and Tao Xu and Yingchuan Lu},
      title = {Last Paleozoic Subduction in Eastern Junggar: Evidence from Geochemistry, Geochronology and Petrogenesis of Carboniferous Volcanic Rocks},
      journal = {Earth Sciences},
      volume = {11},
      number = {6},
      pages = {338-354},
      doi = {10.11648/j.earth.20221106.11},
      url = {https://doi.org/10.11648/j.earth.20221106.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.earth.20221106.11},
      abstract = {The Carboniferous Batamayineishan volcanic rocks in Eastern Junggar are widely distributed on a huge scale. Studies on geochemistry, geochronology and petrogenesis of these volcanic rocks show that: (1) they have complex volcanic rock types with basalt - andesite - dacite - rhyolite assemblages and are of high-K calc-alkaline series, with enrichment of large ion lithophile elements (LILE) (Sr, K, Rb, Ba, Th) and light rare earth elements (LREE) and depletion of high field strength elements (HFSE) (Nb, Ta, Ti) and heavy rare earth elements (HREE). Besides, the initial 87Sr/86Sr and 143Nd/144Nd ratios are low and the εNd (t) values mostly vary from 3.0 to 6.2. All these features suggest that the volcanic rocks were formed in the immature back-arc basin related to subduction; (2) The Batamayineishan volcanic rocks may be produced by the multi-source materials interaction of young lower crust and deep mantle materials which are mainly composed of the Paleozoic residual oceanic crust and island arc system. The basalts were dominantly derived from the depleted mantle, and the crust-mantle magmatism and the homogenization of the Sm-Nd isotope system have occurred with a small amount of young crustal materials in the magma source. Their formation is likely related to the partial melting of the overlying mantle wedges caused by the fluids generated by the metamorphism and dehydration of subducted sediments and/or subducted oceanic crust. However, the acidic volcanic rocks are the result of the mixing of a small amount of mantle-derived magma undergoing strong crystallization differentiation and a mass of crust-derived materials; (3) The Sm-Nd isochron age of the basalts is (319.7±5.9) Ma, which is consistent with the regional tectonic setting and the evidence from fossils in Batamayineishan Formation, and represents the eruption age of the Batamayineishan volcanic rocks. In summary, we consider that the subduction of the Paleo-Asian Ocean continued in Eastern Junggar around 320Ma, and its final closure time should be between 320 Ma and 310 Ma. During this process, the volcanic magmatisms in Eastern Junggar were very intense and involved abundant mantle-derived materials, implying that Eastern Junggar has a superior prospecting potential.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Last Paleozoic Subduction in Eastern Junggar: Evidence from Geochemistry, Geochronology and Petrogenesis of Carboniferous Volcanic Rocks
    AU  - Feng Zhang
    AU  - Tao Xu
    AU  - Yingchuan Lu
    Y1  - 2022/11/04
    PY  - 2022
    N1  - https://doi.org/10.11648/j.earth.20221106.11
    DO  - 10.11648/j.earth.20221106.11
    T2  - Earth Sciences
    JF  - Earth Sciences
    JO  - Earth Sciences
    SP  - 338
    EP  - 354
    PB  - Science Publishing Group
    SN  - 2328-5982
    UR  - https://doi.org/10.11648/j.earth.20221106.11
    AB  - The Carboniferous Batamayineishan volcanic rocks in Eastern Junggar are widely distributed on a huge scale. Studies on geochemistry, geochronology and petrogenesis of these volcanic rocks show that: (1) they have complex volcanic rock types with basalt - andesite - dacite - rhyolite assemblages and are of high-K calc-alkaline series, with enrichment of large ion lithophile elements (LILE) (Sr, K, Rb, Ba, Th) and light rare earth elements (LREE) and depletion of high field strength elements (HFSE) (Nb, Ta, Ti) and heavy rare earth elements (HREE). Besides, the initial 87Sr/86Sr and 143Nd/144Nd ratios are low and the εNd (t) values mostly vary from 3.0 to 6.2. All these features suggest that the volcanic rocks were formed in the immature back-arc basin related to subduction; (2) The Batamayineishan volcanic rocks may be produced by the multi-source materials interaction of young lower crust and deep mantle materials which are mainly composed of the Paleozoic residual oceanic crust and island arc system. The basalts were dominantly derived from the depleted mantle, and the crust-mantle magmatism and the homogenization of the Sm-Nd isotope system have occurred with a small amount of young crustal materials in the magma source. Their formation is likely related to the partial melting of the overlying mantle wedges caused by the fluids generated by the metamorphism and dehydration of subducted sediments and/or subducted oceanic crust. However, the acidic volcanic rocks are the result of the mixing of a small amount of mantle-derived magma undergoing strong crystallization differentiation and a mass of crust-derived materials; (3) The Sm-Nd isochron age of the basalts is (319.7±5.9) Ma, which is consistent with the regional tectonic setting and the evidence from fossils in Batamayineishan Formation, and represents the eruption age of the Batamayineishan volcanic rocks. In summary, we consider that the subduction of the Paleo-Asian Ocean continued in Eastern Junggar around 320Ma, and its final closure time should be between 320 Ma and 310 Ma. During this process, the volcanic magmatisms in Eastern Junggar were very intense and involved abundant mantle-derived materials, implying that Eastern Junggar has a superior prospecting potential.
    VL  - 11
    IS  - 6
    ER  - 

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Author Information
  • Research Center of Applied Geology, China Geophysical Survey, Chengdu, China

  • Research Center of Applied Geology, China Geophysical Survey, Chengdu, China

  • Center for Geophysical Survey, China Geophysical Survey, Langfang, China

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