The SHRIMP U-Pb isotope dating of Mesozoic volcanic from Zhangwu-Heishan Area, West Liaoning Province, China

IF 0.7 4区地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY Earth Sciences Research Journal Pub Date : 2021-01-26 DOI:10.15446/ESRJ.V24N4.91114

Chaoyong Hou, H. Cai, S. Pei

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引用次数: 1

Abstract

How to cite item Hou, C., Cai, H., & Pei, S. (2020). The SHRIMP U-Pb isotope dating of Mesozoic volcanic from Zhangwu-Heishan Area, West Liaoning Province, China. Earth Sciences Research Journal, 24(4), 409-417. DOI: https://doi. org/10.15446/esrj.v24n4.91114 The Zhangwu-Heishan area is located in the east of the Fuxin-Yixian basin. Besides the Quaternary soil, the study area is mostly covered with volcanic rock. The horizon and age of volcanic rock play an essential role in understanding fossil beds, structures, and sedimentary evolution of West Liaoning Province and coal seeking. During this work, 11 volcanic rock samples were measured by SHRIMP U-Pb isotope analysis. Based on the reported data on the age of the Mesozoic volcanic rock in West Liaoning Province, in combination with new measurement data, Cretaceous volcanic activities in West Liaoning Province can be divided into five stages, namely 132±1 Ma, 126±1 Ma, 122±2 Ma, 115±2 Ma, and 100±5 Ma. Based on statistical results, this paper concluded that the thinning time of the crust in Northeast China is from 132±1 Ma to 115±2 Ma. ABSTRACT The SHRIMP U-Pb isotope dating of Mesozoic volcanic from Zhangwu-Heishan Area, West Liaoning Province, China

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辽西彰武黑山地区中生代火山岩SHRIMP U-Pb同位素测年

如何引用项目侯昌，蔡辉，裴胜(2020)。辽西张武-黑山地区中生代火山岩SHRIMP U-Pb同位素定年地球科学研究，24(4)，409-417。DOI: https://doi。张武—黑山地区位于阜新—黟县盆地东部。研究区除第四纪土壤外，多为火山岩覆盖。火山岩的层位和年龄对认识辽西地区的化石层、构造、沉积演化和找煤具有重要意义。在此工作中，对11个火山岩样品进行了SHRIMP U-Pb同位素分析。根据已有的辽西中生代火山岩年龄资料，结合新的测量资料，将辽西白垩系火山活动划分为132±1 Ma、126±1 Ma、122±2 Ma、115±2 Ma和100±5 Ma 5个阶段。根据统计结果，认为东北地区地壳变薄时间为132±1 Ma ~ 115±2 Ma。辽西张武-黑山地区中生代火山岩SHRIMP U-Pb同位素定年研究

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Earth Sciences Research Journal 地学-地球科学综合

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1.50

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0.00%

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>12 weeks

期刊介绍： ESRJ publishes the results from technical and scientific research on various disciplines of Earth Sciences and its interactions with several engineering applications. Works will only be considered if not previously published anywhere else. Manuscripts must contain information derived from scientific research projects or technical developments. The ideas expressed by publishing in ESRJ are the sole responsibility of the authors. We gladly consider manuscripts in the following subject areas: -Geophysics: Seismology, Seismic Prospecting, Gravimetric, Magnetic and Electrical methods. -Geology: Volcanology, Tectonics, Neotectonics, Geomorphology, Geochemistry, Geothermal Energy, ---Glaciology, Ore Geology, Environmental Geology, Geological Hazards. -Geodesy: Geodynamics, GPS measurements applied to geological and geophysical problems. -Basic Sciences and Computer Science applied to Geology and Geophysics. -Meteorology and Atmospheric Sciences. -Oceanography. -Planetary Sciences. -Engineering: Earthquake Engineering and Seismology Engineering, Geological Engineering, Geotechnics.