ZIRCON U-PB DATING AND GEOCHEMICAL CHARACTERISTICS OF THE SONGLINKOU PLUTON, WESTERN SICHUAN

YE Yakang

doi:10.12090/j.issn.1006-6616.2019.25.S1.010

Volume 25 Issue S1

May 2019

Turn off MathJax

Article Contents

Article Navigation > Journal of Geomechanics > 2019 > 25(S1): 53-59

YE Yakang, 2019. ZIRCON U-PB DATING AND GEOCHEMICAL CHARACTERISTICS OF THE SONGLINKOU PLUTON, WESTERN SICHUAN. Journal of Geomechanics, 25 (S1): 53-59. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.010

Citation:

YE Yakang, 2019. ZIRCON U-PB DATING AND GEOCHEMICAL CHARACTERISTICS OF THE SONGLINKOU PLUTON, WESTERN SICHUAN. Journal of Geomechanics, 25 (S1): 53-59. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.010

Citation:

YE Yakang, 2019. ZIRCON U-PB DATING AND GEOCHEMICAL CHARACTERISTICS OF THE SONGLINKOU PLUTON, WESTERN SICHUAN. Journal of Geomechanics, 25 (S1): 53-59. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.010

PDF( 1133 KB)

ZIRCON U-PB DATING AND GEOCHEMICAL CHARACTERISTICS OF THE SONGLINKOU PLUTON, WESTERN SICHUAN

doi: 10.12090/j.issn.1006-6616.2019.25.S1.010

YE Yakang^{1, 2
,}

1.
College of Earth Sciences, Chengdu University of Technology, Chengdu 610059, Sichuan, China
2.
Institute of Multipurpose Utilization of Mineral Resources, Chengdu 610041, Sichuan, China

More Information

Published: 2019-05-01

Abstract

Abstract

The songlinkou pluton is located in the mid-eastern Songpan-Ganzi orogenic belt. It was studied by microscopical observation, major and trace element analysis and zircon U-Pb dating, in order to determine the emplacement age and geochemical characteristics of the pluton. The results show that the Songlinkou pluton is composed of monzonitic granite and granodiorite which formed by two stages of magmatism in the late Triassic, the weighted mean age of zircon of granodiorite is 212.4±0.9 Ma (MSWD=0.66), and the weighted mean age of zircon of monzonitic granite is 222.4±1.1 Ma(MSWD=0.39). The pluton content of SiO₂ is 56.56%~61.97%, A/CNK value is 0.93~1.05, total alkali 3.78~5.38, K₂O/Na₂O 1.02~1.68, Rittmann index 1.194~1.612, so that the rocks belong to metaperaluminous mid-high K Calc-alkaline series. The LREE/HREE is 5.22~7.13, and La_N/Yb_N is 6.93~8.96, light and heavy rare earths are distinct, with obvious negative Eu anomalies. The rocks have high Mg# values(50.97~61.27), w(Rb)/w(Sr) is 0.12~0.25, and the Rb-(Y+Nb) diagram shows that it belongs to post-collision environment. Therefore, Songlinkou monzonitic granite-granodiorite belongs to post-collision metaperaluminous mid-high K Calc-alkaline Ⅰ-type granite.
- Songlinkou,
- Zircon U-Pb chronology,
- geochemical

Full-text Translaiton by iFLYTEK

The full translation of the current issue may be delayed. If you encounter a 404 page, please try again later.

FullText(HTML)

References(15)

References

[1]	YIN A, HARRISON T M. The tectonic evolution of Asia[M]. Cambridge: Cambridge University Press, 1996: 486-640.
[2]	许志琴, 侯立玮, 王宗秀, 等.中国松潘-甘孜造山带的造山过程[M].北京:地质出版社, 1992. XU Zhiqin, HOU Liwei, WANG Zongxiu, et al. Orogenic processes of the Songpan Ganze orogenic belt of China[M]. Beijing: Geology Press, 1992. (in Chinese)
[3]	赖绍聪, 赵少伟.川西北塔公石英闪长岩地球化学特征和岩石成因[J].地球科学与环境学报, 2015, 37(3): 1-13. doi: 10.3969/j.issn.1672-6561.2015.03.003 LAI Shaocong, ZHAO Shaowei. Geochemistry and petrogenesis of quartz diorite in Tagong Area of Northwest Sichuan[J]. Journal of Earth Sciences and Environment, 2015, 37(3): 1-13. (in Chinese with English abstract) doi: 10.3969/j.issn.1672-6561.2015.03.003
[4]	蔡宏明.松潘-甘孜褶皱带印支期花岗岩类和火山岩类成因及深部作用[D].武汉: 中国地质大学, 2010. http://cdmd.cnki.com.cn/article/cdmd-10491-2010250451.htm CAI Hongming. Petrogenesis of indosinian granitoids and volcanic rocks in Songpan-Garze fold belt: constrains for deep geologic processes[D]. Wuhan: China University of Geosciences, 2010. (in Chinese with English abstract) http://cdmd.cnki.com.cn/article/cdmd-10491-2010250451.htm
[5]	四川省地质矿产局.四川省区域地质志[M].北京:地质出版社, 1991. Sichuan Bureau of Geology and Mineral resources. Regional geological records of Sichuan Province[M]. Beijing: Geology Press, 1991. (in Chinese)
[6]	胡健民, 孟庆任, 石玉若, 等.松潘-甘孜地体内花岗岩锆石SHRIMP U-Pb定年及其构造意义[J].岩石学报, 2005, 21(3): 867-880. http://d.old.wanfangdata.com.cn/Periodical/ysxb98200503026 HU Jianmin, MENG Qingren, SHI Yuruo, et al. SHRIMP U-Pb dating of zircons from granitoid bodies in the Songpan-Ganzi terrane and its implications[J]. Acta Petrologica Sinica, 2005, 21(3): 867-880. (in Chinese with English abstract) http://d.old.wanfangdata.com.cn/Periodical/ysxb98200503026
[7]	王全伟, 王康明, 阚泽忠, 等.川西地区花岗岩及其成矿系列[M].北京:地质出版社, 2008. WANG Quanwei, WANG Kangming, KAN Zezhong, et al. Granite and its metallogenic series in Western Sichuan[M]. Beijing: Geology Press, 2008. (in Chinese)
[8]	刘亚轩, 张勤, 黄珍玉, 等. ICP-MS法测定地球化学样品中As、Cr、Ge、V等18种微量痕量元素的研究[J].化学世界, 2006, 47(1): 16-20. doi: 10.3969/j.issn.0367-6358.2006.01.005 LIU Yaxuan, ZHANG Qin, HUANG Zhenyu, et al. Study on determination of 18 trace elements including As, Cr, Ge, V in geochemical samples by ICP-MS[J]. Chemical World, 2006, 47(1): 16-20. (in Chinese with English abstract) doi: 10.3969/j.issn.0367-6358.2006.01.005
[9]	吴元伟, 周广法, 曾现虎.变质锆石成因类型及内部结构、地球化学特征[J].科技创新与应用, 2013, (26): 128. http://d.old.wanfangdata.com.cn/Periodical/qgsj201326120 WU Yuanwei, ZHOU Guangfa, ZENG Xianhu. Genetic types, internal structure and geochemical characteristics of metamorphic zircons[J]. Technology Innovation and Application, 2013, (26): 128. (in Chinese) http://d.old.wanfangdata.com.cn/Periodical/qgsj201326120
[10]	PETFORD N, CRUDEN A R, MCCAFFREY K J W, et al. Granite magma formation, transport and emplacement in the Earth's crust[J]. Nature, 2000, 408(6813): 669-673. doi: 10.1038/35047000
[11]	CHAPPELL B W, WHITE A J R. Two contrasting granite types[J]. Pacific Geology, 1974, 8: 173-174. http://d.old.wanfangdata.com.cn/NSTLQK/NSTL_QKJJ027419645/
[12]	王德滋, 刘昌实, 沈渭洲, 等.桐庐Ⅰ型和相山S型两类碎斑熔岩对比[J].岩石学报, 1993, 9(1): 44-54. doi: 10.3321/j.issn:1000-0569.1993.01.005 WANG Dezi, LIU Changshi, SHEN Weizhou, et al. The contrast between Tonglu Ⅰ-type and Xiangshan S-type clastoporphyritic lava[J]. Acta Petrologica Sinica, 1993, 9(1): 44-54. (in Chinese with English abstract) doi: 10.3321/j.issn:1000-0569.1993.01.005
[13]	专少鹏, 白春东, 毛志芳, 等.新疆库地南苏盖提力克晚志留世花岗岩锆石U-Pb年龄、地球化学特征及大地构造意义[J].地质力学学报, 2018, 24(5): 661-669. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20180508&journal_id=dzlxxb ZHUAN Shaopeng, BAI Chundong, MAO Zhifang, et al. Zircon U-Pb ages and geochemical characteristics of the Sugaitilike late Silurian granites in southern Kudi, Xinjiang and its geotectonic significance[J]. Journal of Geomechanics, 2018, 24(5): 661-669. (in Chinese with English abstract) http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20180508&journal_id=dzlxxb
[14]	PEARCE J A, HARRIS N B W, TINDLE A G. Trace element discrimination diagrams for the tectonic interpretation of granitic rocks[J]. Journal of Petrology, 1984, 25(4): 956-983. doi: 10.1093/petrology/25.4.956
[15]	ROGER F, MALAVIEILLE J, LELOUP P H, et al. Timing of granite emplacement and cooling in the Songpan-Garzê fold belt (eastern Tibetan Plateau) with tectonic implications[J]. Journal of Asian Earth Sciences, 2004, 22(5): 465-481. doi: 10.1016/S1367-9120(03)00089-0

Relative Articles

Supplements(0)

Cited By

Proportional views

Proportional views

Figures(7)

Get Citation

PDF

XML

Article Metrics

Article views (315) PDF downloads(13)

ZIRCON U-PB DATING AND GEOCHEMICAL CHARACTERISTICS OF THE SONGLINKOU PLUTON, WESTERN SICHUAN

doi: 10.12090/j.issn.1006-6616.2019.25.S1.010

Abstract

Full-text Translaiton by iFLYTEK

References

Proportional views

Catalog

Article Metrics

Proportional views

Related

ZIRCON U-PB DATING AND GEOCHEMICAL CHARACTERISTICS OF THE SONGLINKOU PLUTON, WESTERN SICHUAN

doi: 10.12090/j.issn.1006-6616.2019.25.S1.010

Abstract

Full-text Translaiton by iFLYTEK

References

Proportional views

Catalog

Article Metrics

Proportional views

Related

Export File

Citation

Format

Content