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Ages and geochemistry of Early Jurassic granitoids in the Lesser Xing'an-Zhangguangcai Ranges, NE China: Petrogenesis and tectonic implications
Ge, Mao-Hui1; Zhang, Jin-Jiang2; Li, Long3; Liu, Kai4
2019-12-01
Source PublicationLITHOSPHERE
ISSN1941-8264
Volume11Issue:6Pages:804-820
AbstractEarly Jurassic granitoids are widespread in the Lesser Xing'an-Zhangguangcai Ranges, providing excellent targets to understand the late Paleozoic to early Mesozoic tectonic framework and evolution of Northeast China, especially the Jiamusi block and its related structural belts. In this paper, we present new geochronological, geochemical, and isotopic data from the granitoids in the Lesser Xing'an-Zhangguangcai Ranges to constrain the early Mesozoic tectonic evolution of the Mudanjiang Ocean between the Jiamusi and Songnen blocks. Our results show that the granitic intrusions in the Lesser Xing'an-Zhangguangcai Ranges are mainly composed of syenogranite, monzogranite, granodiorite, and tonalite, which have crystallization ages from 196 to 181 Ma. Their geochemical features indicate that these Jurassic intrusions are all high-K calc-alkaline I-type granites with metaluminous to weakly peraluminous compositions. These granitoids are characterized by enrichments in large ion lithophile elements (e.g., Ba, Th, U) and light rare earth elements and depletions in high field strength elements (e.g., Nb and Ta) and heavy rare earth elements, which are typical for continental arc-type granites. The sources of these granitoids were likely derived from juvenile Mesoproterozoic to Neoproterozoic crustal materials (e.g., metabasaltic rocks). Integrated with data from regional coeval magmatism, metamorphism, metallogeny, and structure, our new data suggest that the granitoids in the Lesser Xing'an-Zhangguangcai Ranges were probably formed in an active continental margin setting, which fits well in our previous model of Early Jurassic westward subduction of the Mudanjiang Ocean between the Jiamusi and Songnen blocks.
DOI10.1130/L1099.1
Funding OrganizationNational Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of China Geological Survey ; Project of China Geological Survey ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of China Geological Survey ; Project of China Geological Survey ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of China Geological Survey ; Project of China Geological Survey ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of China Geological Survey ; Project of China Geological Survey
WOS KeywordZIRCON U-PB ; WHOLE-ROCK GEOCHEMISTRY ; SOUTH QINLING BELT ; A-TYPE GRANITES ; LU-HF ISOTOPES ; ACCRETIONARY COMPLEX ; VOLCANIC-ROCKS ; HEILONGJIANG PROVINCE ; NORTHEASTERN CHINA ; JIAMUSI MASSIF
Language英语
Funding ProjectNational Key Research and Development Project of China[2017YFC0601301] ; National Natural Science Foundation of China[41730210] ; National Natural Science Foundation of China[41830216] ; Project of China Geological Survey[DD20190004]
Funding OrganizationNational Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of China Geological Survey ; Project of China Geological Survey ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of China Geological Survey ; Project of China Geological Survey ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of China Geological Survey ; Project of China Geological Survey ; National Key Research and Development Project of China ; National Key Research and Development Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Project of China Geological Survey ; Project of China Geological Survey
WOS Research AreaGeochemistry & Geophysics ; Geology
WOS SubjectGeochemistry & Geophysics ; Geology
WOS IDWOS:000498024400003
PublisherGEOLOGICAL SOC AMER, INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95810
Collection其他部门
Corresponding AuthorZhang, Jin-Jiang
Affiliation1.Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China
2.Peking Univ, Sch Earth & Space Sci, Key Lab Orogen Belts & Crustal Evolut, Beijing 100871, Peoples R China
3.Univ Alberta, Dept Earth & Atmospher Sci, Edmonton, AB T6G 2E3, Canada
4.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Ge, Mao-Hui,Zhang, Jin-Jiang,Li, Long,et al. Ages and geochemistry of Early Jurassic granitoids in the Lesser Xing'an-Zhangguangcai Ranges, NE China: Petrogenesis and tectonic implications[J]. LITHOSPHERE,2019,11(6):804-820.
APA Ge, Mao-Hui,Zhang, Jin-Jiang,Li, Long,&Liu, Kai.(2019).Ages and geochemistry of Early Jurassic granitoids in the Lesser Xing'an-Zhangguangcai Ranges, NE China: Petrogenesis and tectonic implications.LITHOSPHERE,11(6),804-820.
MLA Ge, Mao-Hui,et al."Ages and geochemistry of Early Jurassic granitoids in the Lesser Xing'an-Zhangguangcai Ranges, NE China: Petrogenesis and tectonic implications".LITHOSPHERE 11.6(2019):804-820.
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