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The SHRIMP U-Pb isotope dating of Mesozoic volcanic from Zhangwu-Heishan Area, West Liaoning Province, China.
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- Author(s): Chaoyong Hou1 ; Houan Cai1; Senlong Pei1
- Source:
Earth Sciences Research Journal. 2020, Vol. 24 Issue 4, p409-417. 9p.- Subject Terms:
- Source:
- Additional Information
- Alternate Title: Datación isotópica U-Pb a través de la Microsonda de Iones de Alta-Resolución en rocas volcánicas del Mesozoico para el área Zhangwu-Heishan, en la provincia de Liaoning, en el occidente de China.
- Subject Terms:
- Abstract: 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 FROM AUTHOR]
- Abstract: El área Zhangwu-Heishan se ubica en el este de la cuenca Fuxin-Yixian. El suelo del Cuaternario en el área de estudio está cubierto por rocas volcánicas. El horizonte y la edad de la roca volcánica juegan un rol esencial en la comprensión de las capas fósiles, las estructuras y la evolución sedimentaria de la Provincia Liaoning, en el occidente de China, y en la búsqueda de carbón. En este trabajo se estudiaron 11 muestras de roca volcánica a través del análisis isotópico Shrimp U-Pb (Datación U-Pb a través de la Microsonda de Iones de Alta-Resolución). De acuerdo con la información reportada en las rocas volcánicas de edad del Mesozoico al oriente de la provincia Liaoning, en combinación con información de nuevas mediciones, las actividades volcánicas del Cretácico en la zona se pueden dividir en cinco etapas: 132±1 Ma, 126±1 Ma, 122±2 Ma, 115±2 Ma, y 100±5 Ma. Con base en los resultados estadísticos, este estudio concluyó que el tiempo de adelgazamiento de la corteza en el noroeste de China está entre 132±1 Ma y 115±2 Ma. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Earth Sciences Research Journal is the property of Universidad Nacional de Colombia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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