|
|
U-Pb ZIRCON AGE OF LIANHUASHAN PLUTON IN THE JUNCTION OF ANHUI-ZHEJIANG-JIANGXI PROVINCES: Geological Implication |
LIU Xin, WU Yue, JIN Shan-he |
Shenyang Center of China Geological Survey, Shenyang 110034, China |
|
|
Abstract The Lianhuashan pluton in the junction of Anhui-Zhejiang-Jiangxi provinces is located in the southeast margin of Yangtze Plate, namely the junction zone of Yangtze Plate and Cathaysia Plate (the northern margin of eastern section of Jiangnan orogenic belt). The pluton intruded into the late Neoproterozoic Shangshu Formation (northeastern Jiangxi), with the lithology of syenogranite and granophyres. In later period, the metamorphic deformation resulted in foliated and greenschist facies epimetamorphic mineral assemblage. The geochemical characteristics indicate that the Lianhuashan granite is probably A2 type formed in continental margin post-orogenic environment. The zircon LA-ICP-MS U-Pb dating of the pluton yields the age of 878±70 Ma, which is the product of late Jinning Period.
|
Received: 22 December 2020
|
|
|
|
|
[1] |
Zafar T, Rehman H U, Mahar M A, et al. A critical review on petrogenetic, metallogenic and geodynamic implications of granitic rocks exposed in north and east China:New insights from apatite geochemistry[J]. Journal of Geodynamics, 2020, 136:101723.
|
[2] |
Yin C Q, Lin S F, Davis D W, et al. Tectonic evolution of the southeastern margin of the Yangtze Block:Constraints from SHRIMP U-Pb and LA-ICP-MS Hf isotopic studies of zircon from the eastern Jiangnan orogenic belt and implications for the tectonic interpretation of South China[J]. Precambrian Research, 2013, 236:145-156.
|
[3] |
吴福元, 李献华, 杨进辉, 等. 花岗岩成因研究的若干问题[J]. 岩石学报, 2007, 23(6):1217-1238. Wu FY, Li X H, Yang J H, et al. Discussions on the petrogenesis of granites[J]. Acta Petrologica Sinica, 2007, 23(6):1217-1238.
|
[4] |
肖庆辉, 邱瑞照, 邢作云, 等. 花岗岩成因研究前沿的认识[J]. 地质论评, 2007, 53(S1):17-27. Xiao Q H, Qiu R Z, Xing Z Y, et al. Major frontiers on studies of granite formation[J]. Geological Review, 2007, 53(S1):17-27.
|
[5] |
Liu C H, Zhao G C, Liu F L, et al. Coexistence of A- and I-type granites in the Lüliang complex:Tectonic implications for the middle Paleoproterozoic Trans-North China Orogen, North China Craton[J]. Lithos, 2021, 380-381:105875.
|
[6] |
耿元生, 旷红伟, 杜利林, 等. 华北、华南、塔里木三大陆块中-新元古代岩浆岩的特征及其地质对比意义[J]. 岩石学报, 2020, 36(8):2276-2312. Geng Y S, Kuang H W, Du L L, et al. The characteristics of Meso-Neoproterozoic magmatic rocks in North China, South China and Tarim blocks and their significance of geological correlation[J]. Acta Petrologica Sinica, 2020, 36(8):2276-2312.
|
[7] |
吴荣新, 郑永飞, 吴元保. 皖南石耳山新元古代花岗岩锆石U-Pb定年以及元素和氧同位素地球化学研究[J]. 高校地质学报, 2005, 11(3):364-382. Wu R X, Zheng Y F, Wu Y B. Zircon U-Pb Age, Element and oxygen isotope geochemistry of Neoproterozoic granites at Shiershan in south Anhui Province[J]. Geological Journal of China Universities, 2005, 11(3):364-382.
|
[8] |
薛怀民, 马芳, 宋永勤, 等. 江南造山带东段新元古代花岗岩组合的年代学和地球化学:对扬子与华夏地块拼合时间与过程的约束[J]. 岩石学报, 2010, 26(11):3215-3244. Xue H M, Ma F, Song Y Q, et al. Geochronology and geochemistry of the Neoproterozoic granitoid association from eastern segment of the Jiangnan orogen, China:Constraints on the timing and process of amalgamation between the Yangtze and Cathaysia blocks[J]. Acta Petrologica Sinica, 2010, 26(11):3215-3244.
|
[9] |
张继彪, 刘燕学, 丁孝忠, 等. 江南造山带东段新元古代登山群年代学及大地构造意义[J]. 地球科学, 2020, 45(6):2011-2029. Zhang J B, Liu Y X, Ding X Z, et al. Geochronology of the Dengshan Group in the eastern Jiangnan Orogen, and its tectonic significance[J]. Earth Science, 2020, 45(6):2011-2029.
|
[10] |
段政, 廖圣兵, 褚平利, 等. 江南造山带东段新元古代九岭复式岩体锆石U-Pb年代学及构造意义[J]. 中国地质, 2019, 46(3):493-516. Duan Z, Liao S B, Chu P L, et al. Zircon U-Pb ages of the Neoproterozoic Jiuling complex granitoid in the eastern segment of the Jiangnan orogen and its tectonic significance[J]. Geology in China, 2019, 46(3):493-516.
|
[11] |
王阳阳, 宋传中, 李加好, 等. 江南造山带石耳山新元古代花岗岩的构造变形、LA-ICP-MS锆石U-Pb年龄及其地质意义[J]. 地质论评, 2019, 65(1):85-102. Wang Y Y, Song C Z, Li J H, et al. Deformational characteristics and LA-ICP-MS zircon U-Pb ages of granites at Shiershan in the Jiangnan orogen and their geological significance[J]. Geological Review, 2019, 65(1):85-102.
|
[12] |
王晓虎,张文高,陈正乐,等. 华南沿海莲花山断裂带控矿构造变形时限:来自锆石U-Pb年龄与地层时代的约束[J]. 中国地质, 2020, 47(4):985-997. Wang X H, Zhang W G, Chen Z L, et al. Deformation time limit of ore-controlling structures in Lianhuashan fault zone along the South China coast:Constraints from zircon U-Pb age and stratigraphic age[J]. Geology in China, 2020, 47(4):985-997.
|
[13] |
梁科伟, 李成禄, 张立东, 等. 大兴安岭诺敏地区二叠纪花岗岩的地球化学特征及地质意义[J]. 地质与资源, 2012, 21(2):181-187. Liang K W, Li C L, Zhang L D, et al. Geochemistry and its geological implication of the Permian granite in Nuomin, Daxinganling region[J]. Geology and Resources, 2012, 21(2):181-187.
|
[14] |
张志辉, 张达, 贺晓龙, 等. 江西九岭杂岩中黑云母花岗闪长岩锆石U-Pb年龄及其对扬子和华夏板块碰撞拼合时间的限定[J/OL]. 中国地质:1-26. https://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CAPJ&dbname=CAPJLAST&filename=DIZI20191209000&uniplatform=NZKPT&v=9KB2W89RffONNdAGuArAhMUL4awEoanmNldc1cPqq0yPaLzEirdILjJ8yCws0jbT,2021-06-07. Zhang Z H, Zhang D, He X L, et al, Biotite granodiorite zircon U-Pb age in Jiuling complex, Jiangxi Priovince and its limitation on the collision and splicing time of the Yangtze and Huaxia Plates[J/OL]. Geology in China:1-26. https://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CAPJ&dbname=CAPJLAST&filename=DIZI20191209000&uniplatform=NZKPT&v=9KB2W89RffONNdAGuArAhMUL4awEoanmNldc1cPqq0yPaLzEirdILjJ8yCws0jbT,2021-06-07.
|
[15] |
王存智, 黄志忠, 赵希林, 等. 下扬子地区姚村A型花岗岩年代学、地球化学特征及岩石成因[J]. 中国地质, 2021, 48(2):549-563. Wang C Z, Huang Z Z, Zhao X L, et al. Geochronology, geochemistry and petrogenesis of early Cretaceous Yaocun A-type granite in the lower Yangtze region[J]. Geology in China, 2021, 48(2):549-563.
|
[16] |
周效华, 陈荣, 张炜, 等. 江南造山带九岭南缘宜丰岩组火山岩锆石SHRIMP年代学及Hf同位素特征[J]. 地质学报, 2019, 93(5):1069-1080. Zhou X H, Chen R, Zhang W, et al. Zircon SHRIMP geochronology and Hf isotopic characteristics of volcanic rocks from the Yifeng Formation in the southern margin of the Jiuling uplift in the Jiangnan orogen[J]. Acta Geologica Sinica, 2019, 93(5):1069-1080.
|
[17] |
Huang S F, Wang W, Pandit M K, et al. Neoproterozoic S-type granites in the western Jiangnan Orogenic Belt, South China:Implications for petrogenesis and geodynamic significance[J]. Lithos, 2019, 342-343:45-58.
|
[18] |
菅坤坤, 何元方, 赵端昌, 等. 东昆仑中段灶火沟花岗岩锆石U-Pb年代学、地球化学特征及其构造意义[J]. 地球科学与环境学报, 2020, 42(5):603-621. Jian K K, He Y F, Zhao R C, et al. Zircon U-Pb dating and geochemical characteristics of Zaohuogou granitoids in the middle part of East Kunlun, China and their tectonic significance[J]. Journal of Earth Sciences and Environment, 2020, 42(5):603-621.
|
[19] |
李献华, 李正祥, 周汉文, 等. 皖南新元古代花岗岩的SHRIMP锆石U-Pb年代学、元素地球化学和Nd同位素研究[J]. 地质论评, 2002, 48(S1):8-16. Li X H, Li Z X, Zhou H W, et al. SHRIMP U-Pb zircon geochronological, geochemical and Nd isotopic study of the Neoproterozoic granitoids in southern Anhui[J]. Geological Review, 2002, 48(S1):8-16.
|
[20] |
高林志, 杨明桂, 丁孝忠, 等. 华南双桥山群和河上镇群凝灰岩中的锆石SHRIMP U-Pb年龄——对江南新元古代造山带演化的制约[J]. 地质通报, 2008, 27(10):1744-1751. Gao L Z, Yang M G, Ding X Z, et al. SHRIMP U-Pb zircon dating of tuff in the Shuangqiaoshan and Heshangzhen groups in South China:Constraints on the evolution of the Jiangnan Neoproterozoic orogenic belt[J]. Geological Bulletin of China, 2008, 27(10):1744-1751.
|
[21] |
马莫. 花岗岩岩石学与花岗岩问题[M]. 北京:地质出版社, 1979:1-255. Marmo V. Granite petrology and the granite problem[M]. Beijing:Geological Publishing House, 1979:1-255.
|
[22] |
苏玉平, 唐红峰. A型花岗岩的微量元素地球化学[J]. 矿物岩石地球化学通报, 2005, 24(3):245-251. Su Y P, Tang H F. Trace element geochemistry of A-type granites[J]. Bulletin of Mineralogy, Petrology and Geochemistry, 2005, 24(3):245-251.
|
[23] |
许保良, 阎国翰, 张臣, 等. A型花岗岩的岩石学亚类及其物质来源[J]. 地学前缘, 1998, 5(3):113-124. Xu B L, Yan G H, Zhang C, et al. Petrological subdivision and source material of A-type granites[J]. Earth Science Frontiers, 1998, 5(3):113-124.
|
[24] |
Peccerillo A, Taylor S R. Geochemistry of Eocene calc-alkaline volcanic rocks from the Kastamonu area, northern Turkey[J]. Contributions to Mineralogy and Petrology, 1976, 58(1):63-81.
|
[25] |
Collins W J, Beams S D, White A J R, et al. Nature and origin of A-type granites with particular reference to southeastern Australia[J]. Contributions to Mineralogy and Petrology, 1982, 80(2):189-200.
|
[1] |
SUN Lei, ZENG Zhen, CUI Wei-long, WANG Xiao-jie, ZHAO Qing-nian, HAO Zhen-qun, LI Han, ZHANG Hong-ze, ZHOU Jiang. GEOCHEMISTRY AND FORMATION ENVIRONMENT OF THE LATE TRIASSIC-MIDDLE JURASSIC SILICEOUS ROCKS IN EASTERN HEILONGJIANG PROVINCE[J]. GEOLOGY AND RESOURCES, 2021, 30(6): 637-645. |
|
|
|
|