秦祁结合部位王家岔石英闪长岩体锆石LA-ICPMS定年及地质意义

Abstract

Abstract: Wangjiacha quartz diorite, outcropped in the junction area between Qinling and Qilian orogenic belts, was intruded into the metamorphic complex of the Longshan Group. Assemblage, chemistry and geochemical characteristics of the quartz diorite intrusion show the characteristics of subduction granite. Using LA-ICPMS(Laser-iso plasma mass spectrum) dating technique, U-Pb isotope dating for tiny areas of single zircons from the quartz diorite gives a weighted average age of (454.7±1.7) Ma, which probably stands for the formation age of the rocks. This dating is of great significance to the research on the Early Paleozoic tectonic evolution, on the orogenic processes in the junction area between the Qinling and Qilian and on the relationship between the Qinling and Qilian orogenic belts.

Key words: Wangjiacha quartz diorite, LA-ICPMS, U-Pb isotope dating, Qinling and Qilian orogenic belts

CLC Number:

P597.3

CHEN Jun-lu， LI Hao-bin,WANG Hong-liang，HE Shi-ping，ZENG Zuo-xun，XU Xue-yi，LI Xiang-min. LA-ICPMS Zircon U-Pb Dating of a Quartz Diorite Pluton from Wangjiacha, the Junction Area Between the Qinling and Qilian Orogenic Belts and Its Tectonic Significance[J].J4, 2007, 37(3): 423-0431.

References

Related Articles 15

[1]	Liu Yutai, Li Bile, Chen Xiaolin, Li Haoran, Shi Yufan, Sun Yaming. Geochemical Characteristics, Zircon U-Pb Geochronology and Geological Implications of Granodiorites in Walega South Ore District, Gouli Area, Eastern Kunlun [J]. Journal of Jilin University(Earth Science Edition), 2026, 56(3): 875-895.
[2]	Zhang Jiaqi, Wang Zhixin, Liang Chenyue, Zheng Changqing, Liu Yongjiang. Detrital Zircon Geochronology and Hf Isotope of Metasedimentary Rocks from the Fanjiatun Formation in Central Jilin: Constraints on the Closure of the Eastern Segment of the Paleo-Asian Ocean [J]. Journal of Jilin University(Earth Science Edition), 2026, 56(1): 149-172.
[3]	Zhang Guobin, Feng Yue, Zhao Zhonghai, Song Xuequan, He Yunlong, Kong Jingui. Geochronology,Geochemistry and Tectonic Significance of Jurassic Granite from Jinjianggou in Central Great Xing’an Range [J]. Journal of Jilin University(Earth Science Edition), 2025, 55(5): 1564-1585.
[4]	Li Xiaogang, Yang Jifeng, Yang Yanchen, Song Zhaoyang, Chen Tianwen , Liu Yuxuan. Comprehensive Study of the Xin’antun Molybdenum Deposit, Central Jilin Province: Insights into Geological, Physical and Chemical Characteristics, and Prospecting Potential [J]. Journal of Jilin University(Earth Science Edition), 2025, 55(3): 805-825.
[5]	Zhao Keqiang, Sun Jinggui, Cheng Lin, Ma Shengming, Wang Zhenliang, Gu Alei. Geochronology and Ore-Forming Fluid Characteristics of Baituyingzi Molybdenum Deposit, Inner Mongolia [J]. Journal of Jilin University(Earth Science Edition), 2023, 53(3): 822-839.
[6]	. [J]. Journal of Jilin University(Earth Science Edition), 2023, 53(2): 475-.
[7]	He Genwen, Zhou Xinghua, Yuan Huixiang, Yu Changqi, Li Wei, Zeng Zailin. Geochemistry and Geochronology of Early Cretaceous Granite Porphyry in Gaobei, South Jiangxi Province and Its Implications for Mineralization [J]. Journal of Jilin University(Earth Science Edition), 2023, 53(1): 161-176.
[8]	Zhang Banglu, Lü Zhicheng, Yu Xiaofei, Li Yongsheng, Zhen Shimin, . Age Determination and Geological Significance of Manganese-Bearing Rock Series in the Markansu Metallogenic Zone, West Kunlun Mountains [J]. Journal of Jilin University(Earth Science Edition), 2023, 53(1): 120-139.
[9]	Chen Jing. Detrital Zircon Geochronological and Lu-Hf Isotopic Characteristics of Phyllite from Tuolugou Cobalt (Gold) Deposit, East Kunlun and Their Geological Significance [J]. Journal of Jilin University(Earth Science Edition), 2022, 52(5): 1558-1574.
[10]	Liang Tianyi, Liu Jingdang, Li Mengmeng, Wang Gang, Li Chen, Wang Li. LA-ICP-MS U-Pb Dating of Detrital Zircons from Linxi Formation in Jalaid Banner Region，Middle Part of the Greater #br# Khingan Mountains and Its Geological Implications [J]. Journal of Jilin University(Earth Science Edition), 2022, 52(2): 442-462.
[11]	Gong Yundi, Li Bile, Li Zhihua, Yu Runtao, Sun Yonggang, Zhang Sen. Petrogenesis and Geological Significance of Granite Porphyry Dike from Xiaokelehe in North Da Hinggan Mountains: Constraints from Zircon U-Pb Age, Geochemistry and Hf Isotopic Composition [J]. Journal of Jilin University(Earth Science Edition), 2021, 51(6): 1753-1769.
[12]	Qin Xiaofeng, Zhang Cheng, Wang Zongqi, Ma Shouxian, Gong Jianghua, Feng Yi, Cui Anmin, Li Dong. Geochronology,Geochemistry and Geological Significance of the Latest Intrusive Rocks in Pingying Granite Pluton from Baotan Tin Polymetallic Metallogenic Area, Northern Guangxi [J]. Journal of Jilin University(Earth Science Edition), 2021, 51(2): 380-399.
[13]	Liang Tao, Lu Ren. LA-ICP-MS Zircon U-Pb Dating, Geochemical Features and Geological Implications of Tongshan Rock Mass in Stretching Branch of Funiu Mountain, Southern Henan Province [J]. Journal of Jilin University(Earth Science Edition), 2021, 51(2): 400-415.
[14]	He Genwen, Lu Siming, Peng Linlin, Yu Changqi, Li Wei, Liu Cuihui. Geochemistry, Geochronology and Genesis of Granites in Shihuoshan Pyrite Polymetallic Ore Area, South Jiangxi Province [J]. Journal of Jilin University(Earth Science Edition), 2020, 50(5): 1491-1504.
[15]	Wang Chengzhi, Dong Yongsheng, Wang Pengsen, Chen Musen, Bai Xuerui. Provenance and Tectonic Setting of the Paleoproterozoic Metasedimentary Rocks from the Liaohe Group in Gongchangling-Xiuyan Area, East Liaoning Province [J]. Journal of Jilin University(Earth Science Edition), 2020, 50(4): 941-956.

Metrics

Viewed

Full text

Abstract

Cited

Shared

Discussed

Comments

Recommended 10

[1]	LIU Jian-feng, CHI Xiao-guo, ZHOU Yan, WANG Tie-fu,JIN Wei, ZHOU Jian-bo, DONG Chun-yan, LI Guang-rong. Rb-Sr Isotopic Dating of the Jinlin Pluton by Whole Rock-Hornblende Method in the Northeast Xiao Hinggan Mountains[J]. J4, 2005, 35(06): 690 -0693 .
[2]	HUANG Guan-xing, SUN Ji-chao, ZHANG Ying, LIU Jing-tao, ZHANG Yu-xi, JING Ji-hong. Content and Relationship of Heavy Metals in Groundwater of Sewage Irrigation Area in Pearl River Delta[J]. J4, 2011, 41(1): 228 -234 .
[3]	XIAO Chang-lai,LIANG Xiu-juan, CUI Jian-ming, LAN Ying-ying，ZHANG Jun, LI Shu-lan, LIANG Rui-qi, ZHENG Ce. Whole Curve Matching Method for Aquifer Parameters Determination[J]. J4, 2005, 35(06): 751 -0755 .
[4]	GUO Zhen-hua, WANG Pu-jun, YIN Chang-hai, HUANG Yu-long. Relationship Between Lithofacies and Logging Facies of the Volcanic Reservoir Rocks in Songliao Basin[J]. J4, 2006, 36(02): 207 -0214 .
[5]	SUN Yong-he, FU Xiao-fei, LV Yan-fang, FU Guang, YAN Dong. Suction Role of Seismic Pumping and Physical Simulation on Hydrocarbon Migration and Accumulation[J]. J4, 2007, 37(1): 98 -0104 .
[6]	XIE Zhong-lei, CHEN Zhuo，SUN Wen-tian， YIN Bo. Content of Fluoride in Tea Leaves and Distribution of Fluoride in Soils from Different Tea Gardens[J]. J4, 2008, 38(2): 293 -0298 .
[7]	JIA Jun-tao, WANG Pu-jun, SHAO Rui，CHENG Ri-hui, ZHANG Bin, HOU Jing-tao, LI Jin-long, BIAN Wei-hua. Stratigraphical Sequence and Regional Correlation of Yingcheng Formation in the Southeast of Songliao Basin[J]. J4, 2007, 37(6): 1110 -1123 .
[8]	KANG Li-ming，REN Zhan-li. Study on Multi-Parameters Discrimination Method for Flow Units-Taking W93 Wellblock in Ordos Basin as An Example[J]. J4, 2008, 38(5): 749 -0756 .
[9]	XUE Yong-chao, CHENG Lin-song. The Diagenetic Reservoir Facies of Chang 8 Reservoir in Baibao Oilfield[J]. J4, 2011, 41(2): 365 -371 .
[10]	JIANG Ji-yi, ZHANG Yu-dong, GU Hong-biao, ZUO Lan-li. Study on the Evaluation Model of Groundwater Environment Evolution Pattern Based on Grey Correlation Entropy[J]. J4, 2009, 39(6): 1111 -1116 .

LA-ICPMS Zircon U-Pb Dating of a Quartz Diorite Pluton from Wangjiacha, the Junction Area Between the Qinling and Qilian Orogenic Belts and Its Tectonic Significance