Results 1 to 10 of about 678,565 (296)

Triassic in the eastern Sichuan basin ray slope and badong group strata division and correlation [PDF]

E3S Web of Conferences, 2022
Triassic strata are widely developed in the eastern part of Sichuan Basin. The Mingyuexia anticline and Huangnitang anticline located in the eastern Sichuan structural belt develop Triassic Jialingjiang Formation to Xujiahe Formation. The middle Triassic
Liu Zhen, Zhang Ruigang, Zhou Dan, Chen Fei, Li Wei, Chen Yang, Zhou Zhengda, Nie Lei   +7 more
doaj   +1 more source

In-Depth Method Investigation for Determination of Boron in Silicate Samples Using an Improved Boron–Mannitol Complex Digestion Method by Inductively Coupled Plasma Mass Spectrometry

Molecules, 2023
In this paper, a boron–mannitol complex wet acid digestion method proposed for the accurate determination of boron in silicate samples by inductively coupled plasma mass spectrometry (ICP-MS) was investigated in detail for the first time.
Xijuan Tan, Ruili Zhou, Yonggang Feng, Ting Liang   +3 more
doaj   +1 more source

Analytical effect of stabilizer volume and shape on zircon U–Pb dating by nanosecond LA-ICP-QMS

Journal of Analytical Science and Technology, 2022
In this paper, we evaluated the effect of seven stabilizers with different shapes (including cylinder, cubic and ball shape) on zircon U–Pb dating analysis by laser ablation inductively coupled plasma quadrupole mass spectrometry (LA-ICP-QMS) in detail ...
Dongyang Xiong, Longfei Guo, Chenxi Liu, Long Wang, Yanrong Liu, Xijuan Tan   +5 more
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Study of Long-Term Determination Accuracy for REEs in Geological Samples by Inductively Coupled Plasma Quadrupole Mass Spectrometry

Molecules, 2021
This work presents the long-term determination accuracy study of ICP-QMS for rare earth elements (REEs) in geological matrices. Following high-pressure closed acidic decomposition, REEs are measured repetitively across seven months by ICP-QMS.
Xijuan Tan, Minwu Liu, Ke He
doaj   +1 more source

Determination of Tin, Lead and Zinc in a Tin-Lead-Zinc Deposit in Xianghualing Mining Area, Hunan Province by Inductively Coupled Plasma-Optical Emission Spectrometry with Alkali Fusion

Yankuang ceshi, 2023
BACKGROUND The Xianghualing mining area in Hunan Province is an important part of the east-west tectonic-magmatic-metallogenic belt in the Nanling area.The ore-forming geological conditions in the mining area are superior, and it is famous for its many ...
XIAO Xilian, XIA Jinlong, LI Xiaodan, LU Youyue, YANG Xiaoli, YANG Hongmei   +5 more
doaj   +1 more source

Ultrastructure of a Columbite-Tantalite Mineral from the Zhaojinggou Ta-Nb Deposit in the North China Craton: Direct Evidence of the Formation Mechanism of the Columbite-Group Minerals

Geofluids, 2022
The formation of columbite-group mineral phases in peraluminous granite has not been demonstrated to date. Here, a nanoscale study of the columbite-tantalite mineral in the Zhaojinggou Nb-Ta deposit in North China Craton elucidated its formation ...
Yushan Zuo, Zhengxi Gao, Lei Zuo, Peng Zhang, Rui Liu, Qing Zhang, Tingting Zhang   +6 more
doaj   +1 more source

A Non-Matrix-Matched Calibration Method for In Situ Major and Trace Element Analysis of Scheelite by Nanosecond LA-ICP-MS

Molecules, 2023
In this work, a reliable and robust in situ non-matrix-matched calibration method is proposed for element composition determination in scheelite samples.
Xijuan Tan, Honghao Tian, Lin Lu, Dongyang Xiong, Ting Liang   +4 more
doaj   +1 more source

Review of Research on Filtering-based Methods for Seismic Scattered Wave Separation

CT Lilun yu yingyong yanjiu, 2023
In seismic exploration, complex seismic wave fields comprising reflected waves, scattered waves, and other phenomena are formed due to the intricate nature of underground structures.
Junlin YE, Guihua LI, Renwei DING, Lihong ZHAO, Shuo ZHAO, Shimin SUN   +5 more
doaj   +1 more source

Major, trace and rare earth element geochemistry of coal and oil shale in the Yuqia area, Middle Jurassic Shimengou Formation, northern Qaidam Basin; pp. 1–31 [PDF]

Oil Shale, 2020
Coal and oil shale in the Middle Jurassic Shimengou Formation of the northern Qaidam Basin (China) have been characterized and compared using total organic carbon (TOC) content, oil yield, and proximate as well as major, trace and rare earth element (REE)
Yueyue Bai, Qingtian Lv, Zhaojun Liu, Pingchang Sun, Yinbo Xu, Jingyao Meng, Qingtao Meng, Wenquan Xie, Junxian Wang, Kebing Wang   +9 more
doaj   +1 more source

The Fluid Evolution of Ancient Carbonate Reservoirs in Sichuan Basin and Its Implication for Shale Gas Exploration

Frontiers in Earth Science, 2021
Sichuan Basin is the only successful basin for shale gas exploration in China. In addition to the main shale in the Lower Silurian Longmaxi formation, the lower Cambrian Qiongzhusi shale is an important potential formation.
Zhenzhu Zhou, Zhenzhu Zhou, Xiaolan Chen, Haiyang Xia   +3 more
doaj   +1 more source