Article
Geochemistry & Geophysics
Yuan Shi, Yixian Xu, Bo Yang, Shuyu Liu
Summary: The study finds that the conductors in different regions of the North China Craton can be attributed to different tectonic mechanisms, including oceanic subduction, ancient suture zones, and modern craton destruction. In addition, anisotropy is observed in the lower crust and uppermost mantle of the southern part of the North China Plain, with enhanced conductivity along a specific direction, which may be related to magma accumulation caused by Cenozoic asthenosphere upwelling.
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
(2022)
Article
Geochemistry & Geophysics
Rui Huang, Shuang Liu, Rui Qi, Yujie Zhang
Summary: The study proposes a novel method utilizing rock data and supervised deep fully convolutional neural network for gravity prospecting to generate subsurface distribution. Six general types of 3D models were developed and the network was trained using geological models and corresponding gravity data to achieve efficient prediction results. Statistical analysis showed the effectiveness of the network, which was further validated using real data from the San Nicolas deposit in central Mexico.
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
(2021)
Article
Geosciences, Multidisciplinary
J. K. Feng, H. J. Yao, L. Chen, C. L. Li
Summary: The lithospheric structure of the North China Craton shows significant variation in the north-south direction, with the eastern region experiencing intense destruction in the Mesozoic. This destruction facilitated shearing in the late Cenozoic, resulting in lithospheric thinning, asthenospheric upwelling, and seismic activity. These findings suggest a transition from Pacific subduction-dominated tectonics to India-Asia collision-dominated lithospheric deformation in the Cenozoic, and ongoing alteration of the North China Craton's lithosphere.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Geochemistry & Geophysics
G. Maurizio, C. Braitenberg, D. Sampietro, M. Capponi
Summary: In this study, a new model for the crust and upper mantle in Iran is proposed by jointly inverting gravity and magnetic fields, constrained with a seismic tomography model. The study finds that the crustal density and rigidity variations have a significant impact on the seismic activity and active faulting in the region, and are consistent with the geological features. The study also reveals the correlation between the Neo-Tethys and Paleo-Tethys sutures and crustal density variations. Finally, a reliable model of the lithosphere in the Iranian collision belt is built through a 3D Bayesian joint inversion.
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
(2023)
Article
Geosciences, Multidisciplinary
Peter Haas, Joerg Ebbing, Nicolas L. Celli, Patrice F. Rey
Summary: The article presents a new Moho depth model to discuss the architecture of the three main African cratonic units. The model, based on a two-step gravity inversion approach, reveals variable density contrasts and trends in Moho depth for the different cratons. Results indicate that cratonic lithosphere may have thick or thin crust, with some enigmatic discrepancies requiring further study.
FRONTIERS IN EARTH SCIENCE
(2021)
Article
Geochemistry & Geophysics
Hanlin Liu, Joseph S. Byrnes, Maximiliano Bezada, Qingju Wu, Shunping Pei, Jing He
Summary: This study investigates the teleseismic P-wave attenuation beneath the Central Asian Orogenic Belt and the North China Craton using seismic data. The results show that high attenuation is observed beneath most of the volcanoes, suggesting that these volcanoes may tap melt from the ambient asthenosphere and occur where the lithosphere is thin. However, at the Xilinhot-Abaga volcanic site, low attenuation is observed, indicating that deep melting may be initiated by fluids from the subducted Pacific plate.
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
(2022)
Article
Geosciences, Multidisciplinary
Nansheng Qiu, Jian Chang, Chuanqing Zhu, Wen Liu, Yinhui Zuo, Wei Xu, Dan Li
Summary: Thermal regime and thermal history play a crucial role in basin dynamics and hydrocarbon generation of source rocks. There are significant differences in thermal regimes among three typical cratons in China: North China Craton (NCC), Yangtze Craton (YC), and Tarim Craton (TC). The thermal regimes of the Bohai Bay Basin, Tarim Basin, and Sichuan Basin were studied in this paper. The study provides important geothermal evidence for hydrocarbon generation and phase distribution of oil and gas in deep and/or ultra-deep basins.
EARTH-SCIENCE REVIEWS
(2022)
Article
Geology
Xiangdong Su, Gaochun Wang, Peng Peng, Yanjie Tang
Summary: Using isotope datasets from the eastern North China craton, this study reveals that the craton experienced metasomatism and growth prior to its destruction. Large igneous provinces may have contributed to the instability of the mantle lithosphere and the subsequent destruction of the craton.
INTERNATIONAL GEOLOGY REVIEW
(2023)
Article
Geosciences, Multidisciplinary
Guiju Wu, Jian Wang, Bingfei Yu, Hongbo Tan, Jiapei Wang, Xinlin Zhang, Zhengbo Zou
Summary: This study uses the NFG method and 3-D gravity inversion to reveal the complex crustal structure beneath the Yinchuan Basin, providing new insights into the geodynamic processes. The results show the complexity of the upper crustal structure and suggest the locations and focal depth of important faults. These findings lay a scientific foundation for studying the crustal dynamics and seismogenic mechanisms of strong earthquakes.
JOURNAL OF ASIAN EARTH SCIENCES
(2022)
Article
Geochemistry & Geophysics
Cuilin Li, Jikun Feng, Jianke Fan, Dongdong Dong, Stan E. Dosso
Summary: This study provides high-resolution imaging of the deformation features within the North China Craton. The tectonic history of the Bohai Sea region is crucial for understanding the response of the craton to oceanic subduction. The presence of the Tanlu fault zone is associated with lithospheric modification in the eastern North China Craton, while the northern and southern Bohai Bay Basin have undergone different deformation histories.
Article
Geochemistry & Geophysics
Siyuan He, Hongzhu Cai, Shuang Liu, Jingtao Xie, Xiangyun Hu
Summary: The study introduces a new method for depth-to-basement inversion directly from gravity data using CNN and Random-Midpoint-Displacement to generate realistic models. While this method reduces the size of training data sets, it struggles to recover models like abrupt faults.
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
(2021)
Article
Geosciences, Multidisciplinary
Yongsheng Liu, Chunfei Chen, Detao He, La Zhang, Kaizhang Yu
Summary: Research on the Hannuoba carbonatites in Northern North China Craton has shown that detrital zircons carried by these rocks have a wide range of U-Pb ages from Precambrian to Phanerozoic. The detrital zircons suggest that the precursor material of the carbonatites may come from the Paleo-Asian Ocean, and its deposition time may be no earlier than 300 Ma. This indicates the existence of the Paleo-Asian Ocean in the late Carboniferous to early Permian, with widespread sedimentary carbonates possibly being carried into the mantle during subduction and modifying the properties of the lithospheric mantle.
SCIENCE CHINA-EARTH SCIENCES
(2021)
Article
Geochemistry & Geophysics
Lei-Tao Cao, Jian-Ping Zheng, Hong-Kun Dai, Qing Xiong, A-Bing Lin, Shao-Kui Pan
Summary: This study investigates the formation mechanism of the eastern North China Craton mantle by analyzing spinel peridotite xenoliths in the Cenozoic basalt in Liaoning Province. Two types of mantle are identified, one modified by melt infiltration and the other transformed from asthenospheric upwelling. These findings have important implications for understanding lithosphere-asthenosphere interaction.
Review
Geosciences, Multidisciplinary
Fei Xue, M. Santosh, Toshiaki Tsunogae, Fan Yang, Hongbing Tan, Guohui Chen, Chao Li, Yunchou Xu
Summary: The Laiyuan complex in the North China Craton was studied using multidisciplinary investigations to evaluate its magmatism and tectonic setting. An integrated model proposing the magmatic evolution of the complex was developed.
FRONTIERS IN EARTH SCIENCE
(2023)
Article
Geochemistry & Geophysics
Junjie Zhang, Pengyuan Guo, Pu Sun, Yaoling Niu, Yuanyuan Xiao, Paulo M. Vasconcelos
Summary: This study investigates the origin of early Cretaceous intra-plate alkali basalts from the Western North China Craton (WNCC) and suggests that these rocks originated from partial melting of the lithospheric mantle that experienced melt metasomatism. The geochemical characteristics of these basalts indicate contributions from two different types of metasomatic melts. Additionally, the presence of specific element abundance and isotopic compositions in the basalts suggests a complex origin involving reactions between mantle peridotite and melts of different sources.