Article
Geochemistry & Geophysics
Anirban Mitra, Sukanta Dey, Pranab Das, Keqing Zong, Yongsheng Liu
Summary: Through the study of whole-rock geochemistry, detrital zircon U-Pb-Hf isotopes, and trace element data from Mesoarchean clastic rocks in two greenstone belts of the western Dharwar Craton, it is found that these rocks were derived from a strongly weathered stable continental provenance dominated by low-HREE TTGs and K-rich granites of shallow crustal origin. The detrital zircon U-Pb and Lu-Hf data indicate two major crust formation events, with the antiquity of the western Dharwar Craton traced back to at least 3.8 Ga. The detrital record suggests episodic crustal growth and reworking in the western Dharwar Craton during the Paleoarchean to early Mesoarchean period, possibly related to intraplate processes.
Article
Geochemistry & Geophysics
I Jahn, C. Clark, S. Reddy, R. J. M. Taylor
Summary: The Capricorn Orogen in Western Australia records the convergence and collision of the Yilgarn and Pilbara cratons over one billion years, followed by intracontinental reworking. New isotopic analyses suggest that the Glenburgh Terrane may represent a reworked portion of the adjacent cratons. The transition from mantle-derived to crustal-melting dominated granite magmatism reflects a geodynamic evolution from subduction-accretion to collision and intracratonic reworking.
JOURNAL OF PETROLOGY
(2021)
Article
Geosciences, Multidisciplinary
Yang Hu, Ruiying Zhang, Chengli Zhang, Haifeng Bai
Summary: This study provides evidence on the formation and evolution of the Ordos Block through the analysis of detrital zircons from the sandstones of the Changcheng System. The results indicate that the Ordos Block was mainly formed in the early Neoarchean and underwent three strong tectonothermal events at 2.5-2.4 Ga, 2.2-2.0 Ga, and 1.95-1.8 Ga, which were associated with peripheral orogenic belts.
PRECAMBRIAN RESEARCH
(2023)
Article
Geosciences, Multidisciplinary
Meiling Wu, Shoufa Lin, Yusheng Wan, Jian-Feng Gao, Richard A. Stern
Summary: The study of the Southern Jilin Complex using high-precision in-situ zircon U-Pb-Hf-O isotopes reveals three episodes of magmatism at around 2.78, 2.69, and 2.55 billion years ago, with magma sources mainly derived from crustal reworking and minimal sediment recycling. The findings suggest a bottom-up geodynamic regime in the region during the Neoarchean, possibly related to plume activities, rather than involving modern-style subduction.
PRECAMBRIAN RESEARCH
(2021)
Article
Geosciences, Multidisciplinary
Lei Zhang, Tao Wang, Jian-jun Zhang, Xin -jun Shi, Hai-dong Ren, Qi-di Yang, Ying Tong, Lei Guo
Summary: This study presents a compilation of zircon U-Pb age and Hf isotopic data from the granitoids in the Alxa area. The results show that the granitoids in the central Alxa area have juvenile isotopic features, while the granitoids in the western Alxa area have ancient isotopic features. Based on these findings, it is inferred that there is a boundary between the North China Craton and the Central Alxa Orogenic Belt in the Alxa area.
Article
Geochemistry & Geophysics
Yi Ding, Xuejiao Bu, Hong Zhao, Shihua Zhong, Ming Liu
Summary: In this study, detailed geochronological and geochemical analyses were performed on different types of igneous rocks in the Qingdao area, Jiaodong Peninsula to understand their petrogenesis and tectonic setting. The results suggest that quartz monzonite may have formed through the partial melting of phengite-bearing eclogites, while monzogranite and syenogranite were most likely produced through partial melting of granitic gneisses. The alkali feldspar granite is consistent with A-type granite and may have formed through fractional crystallization from a non-adakitic granitic magma. These granitoids were formed in a lithospheric extensional setting via the rollback of the subducted Paleo-Pacific slab.
Article
Geosciences, Multidisciplinary
Aniruddha Mitra, Sukanta Dey, Pranab Das, Keqing Zong, Yongsheng Liu, Anirban Mitra, Arvind Kumar Gond
Summary: This study investigates the spatial and temporal changes in granitoid compositions in the Singhbhum Craton. The results indicate that the crust in Singhbhum Craton started building from a relatively thin oceanic plateau in the early Paleoproterozoic, and experienced gradual increase and decrease in thickness. These changes are related to the melting depth of the crust, resulting in changes in granitoid chemistry.
EARTH-SCIENCE REVIEWS
(2022)
Article
Geosciences, Multidisciplinary
Guanglin Liu, Shuang Ma, Zhongyi Zhang, Zhiguo Mao, Tianyou Han, Zhiqiang Shi
Summary: The Chang 7 member of Triassic Yanchang Formation in the Ordos Basin is a significant source of oil in North China. However, dating the Triassic formations, particularly the important Yanchang Formation, has been problematic. In this study, SHRIMP U-Pb isotope dating, trace element analysis, and palynological analysis were used to determine the depositional ages, paleoclimate conditions, and paleoenvironments of the Chang 6 to Chang 10 members of Yanchang Formation. The results indicate that the Chang 7 member was deposited in the Middle Triassic, specifically in the Ladinian, while the Chang 8 to Chang 10 members were deposited in the Middle Triassic, specifically in the Anisian. Additionally, trace element analysis revealed a significant change in paleoenvironment during the early sedimentary stage of the Chang 7 member, indicating a warm and humid paleoclimate, anoxic and brackish lake water, and intense chemical weathering. This study provides valuable information on the paleoclimate events and paleoenvironments of the Middle Triassic in the Ordos Basin.
MARINE AND PETROLEUM GEOLOGY
(2023)
Article
Geochemistry & Geophysics
En Yuan Xing, Yong Sheng Zhang, Mian Ping Zheng, Su Juan Wu, Bao Ling Gui, Yuan Peng
Summary: This study analyzed the SHRIMP zircon ages, Hf-in-zircon isotopic compositions, and whole rock geochemistry of basement metamorphic rocks from the northeastern margin of the Ordos Basin. It was found that these rocks were formed during the middle Paleoproterozoic time and were involved in a major late Paleoproterozoic tectono-thermal event. Additionally, the basement rocks showed similarities with rocks from the Khondalite series in terms of petrology, geochronology, and geochemistry.
Article
Geosciences, Multidisciplinary
Niu Pengfei, Qu Junfeng, Zhang Jin, Zhang Beihang, Zhao Heng
Summary: The study provides important insights into the geological evolution of the Alxa Block in the westernmost part of the North China Craton. The analysis of the Diebusige Metamorphic Complex reveals the existence of Archean rocks and indicates late Neoarchean to Paleoproterozoic metamorphic events in the area. The data also suggest that the main part of the complex may have been formed around 2.1-2.0 Ga and originated from the reworking of ancient Archean crust. The findings further suggest that the Langshan area had an independent terrain history before the middle Paleoproterozoic.
ACTA GEOLOGICA SINICA-ENGLISH EDITION
(2022)
Article
Geochemistry & Geophysics
Arathy Ravindran, Klaus Mezger, S. Balakrishnan, Jasper Berndt, Sameer Ranjan, Dewashish Upadhyay
Summary: Combining U-Pb zircon ages with Hf-Sr-Pb isotopes, this study provides insights into the petrogenetic evolution of the continental crust in the western Dharwar Craton, India. The research reveals the presence of the oldest felsic crustal material in the region, and the formation of major felsic continental crust during a specific time interval. The study also suggests that the Mesoarchean felsic crust in the Dharwar Craton was formed through differentiation of melts from different source rocks and incorporated reprocessed crustal material over time.
Article
Geosciences, Multidisciplinary
Xia Teng, Jianxin Zhang, Xiaohong Mao, Yawei Wu, Qi Guo
Summary: This study presents new geochemical and isotopic data for the Huatugou granitoids in the Qaidam Precambrian block, revealing the tectonic significance and evolution of the block. The granitoids intruded the Precambrian basements during 451-400 Ma and underwent different magmatic processes. The Qaidam block experienced a tectonic transition from compression to extension during 451-410 Ma.
FRONTIERS IN EARTH SCIENCE
(2023)
Article
Geochemistry & Geophysics
J. W. D. Strong, P. A. Cawood, A. R. Cruden, O. Nebel, J. Mulder, A. P. Dickin
Summary: The Winnipeg River terrane, one of the oldest plutonic-gneiss terranes in the Archean Superior Province, plays a crucial role in understanding the evolution of Earth's largest Archean craton. The study evaluates the evolution of this terrane using various isotope data, revealing important information about rock crystallization and crustal recycling.
Article
Geology
Bo Xie, Hao Song, Shiwei Song, Fei Ren, Shengqing Xiong, Yonghong Fan, Qi Li, Chengjiang Zhang
Summary: The study presents new data on the Cuojiaoma batholith in the Yidun Terrane of southwestern China, providing insights into its rock composition, ages, and mineralization potential, which contributes to understanding the geological evolution of the region.
ORE GEOLOGY REVIEWS
(2022)
Article
Geosciences, Multidisciplinary
Ping Yang, Meifeng Shi, Fuwen Tan, Sudhir Rajaure, Ganesh N. Tripathi, Lei He, Zaihui Li, Wangzhong Zhan
Summary: The Lesser Himalayan Belt in the northern margin of Indian Shield contains sedimentary and magmatic records related to the Columbia supercontinent. Through detailed geological investigations and zircon dating, it is suggested that the Palaeoproterozoic magmatism in this region may have formed within subduction-related tectonics associated with the assembly of the Columbia supercontinent.
GEOLOGICAL JOURNAL
(2022)
Article
Chemistry, Analytical
Jing-Yao Xu, Qiu-Li Li, Guo-Qiang Tang, Kai Lu, Yu Liu, Lian-Jun Feng, Joan Carles Melgarejo
Summary: This study introduces a novel and rapid online matrix effect calibration method for dolomite oxygen isotope analysis, avoiding the inaccuracies and analytical inefficiency associated with traditional off-line procedures, making it the best strategy for accurate oxygen isotope analysis of samples with highly heterogeneous compositions.
ANALYTICAL CHEMISTRY
(2022)
Article
Spectroscopy
Xiao-Xiao Ling, Qiu-Li Li, Chuan Yang, Zhu-Yin Chu, Lian-Jun Feng, Chao Huang, Liang-Liang Huang, Hong Zhang, Zhen-Hui Hou, Jun-Jie Xu, Yu Liu, Guo-Qiang Tang, Jiao Li, Xian-Hua Li
Summary: A natural zircon crystal from Sri Lanka was introduced as a reference material for geochemical microanalysis of U-Pb-O-Hf isotopes, showing good homogeneity within the crystal. Multiple analyses provided the U-Pb ages, U and Th concentrations, as well as O and Hf isotopic values for this zircon crystal.
ATOMIC SPECTROSCOPY
(2022)
Article
Spectroscopy
Yu Liu, Xian-Hua Li, Paul S. Savage, Guo-Qiang Tang, Qiu-Li Li, Hui-Min Yu, Fang Huang
Summary: This study reports on the Si isotope compositions of four potential reference materials for in-situ Si isotopic microanalysis. The results show that these materials are more homogeneous in Si isotopes compared to the commonly used quartz standard. The study also suggests that synthetic quartz glass can be used as an alternative, more homogeneous standard.
ATOMIC SPECTROSCOPY
(2022)
Article
Geochemistry & Geophysics
Xiao-Xiao Ling, Qiu-Li Li, Magdalena H. Huyskens, Yu Liu, Qing-Zhu Yin, Guo-Qiang Tang, Jiao Li, Hua-Feng Zhang, Sergey G. Skublov, Aleksey E. Melnik, Xian-Hua Li
Summary: Titanite is a uranium-bearing mineral that is useful for dating geological events. This study investigates the matrix effect in SIMS U-Pb dating of titanite and develops a calibration protocol to improve the accuracy of the method, resulting in a more accurate thermal history of the samples.
Article
Geosciences, Multidisciplinary
Hadi Shafaii Moghadam, Qiu-Li Li, William L. Griffin, Robert J. Stern, Jose F. Santos, Mihai N. Ducea, Chris J. Ottley, Orhan Karsli, Fatemeh Sepidbar, Suzanne Y. O'Reilly
Summary: Continental-arc igneous rock compositions change in response to the transition from subduction to collision, providing insights into the evolution of crust, lithosphere, and magma sources. The Urumieh-Dokhtar Magmatic Belt (UDMB) in Iran offers a natural laboratory to study these changes. Geochemical and geochronological data reveal different stages of magmatic activity, reflecting the processes of subduction, collision, and crustal thickening. The temporal changes in UDMB magmas are related to the response of the overriding plate to changes in the subduction geometry and collision events.
EARTH-SCIENCE REVIEWS
(2022)
Article
Geosciences, Multidisciplinary
Wenhao Zhao, Qiuli Li, Yu Liu, Guoqiang Tang, Xiaoxiao Ling, Jiao Li, Xianhua Li
Summary: Secondary ion mass spectrometry (SIMS) zircon U-Pb dating can be used to determine the absolute ages of magmatic or metamorphic events and distinguish multiple events. This study compiled a dataset of zircon standards dating data to evaluate the long-term external reproducibility and analyzed the uncertainties of single-spot and session analyses.
JOURNAL OF EARTH SCIENCE
(2022)
Article
Geosciences, Multidisciplinary
Sergey G. Skublov, Natalia A. Rumyantseva, Qiuli Li, Boris G. Vanshtein, Dmitriy Rezvukhin, Xianhua Li
Summary: In the past two decades, the discovery of ancient zircon xenocrysts in ocean-floor magmatic rocks has provided compelling evidence for the presence of ancient continental crust within young oceanic lithosphere. This report presents the first age determinations and isotope-geochemical data for zircon xenocrysts from gabbro-diorites of the Shaka Ridge. The findings indicate the presence of ancient continental fragments and their recycling into the mantle at the western end of the Southwest Indian Ridge.
JOURNAL OF EARTH SCIENCE
(2022)
Article
Geochemistry & Geophysics
Urs Kloetzli, Jolanta Burda, Qiu-Li Li, Yu Liu, Gyula Jakab, Lucian Ionescu, Paul Tibuleac
Summary: The study found that the formation history of the Ditrau Alkaline Massif is contradictory to the geochemical evolutionary models and geotectonic environment in the Eastern Carpathian Mountains. By investigating two rock suites, the timing and igneous processes of the massif were determined. The results show that the formation of the Ditrau Alkaline Massif took approximately 13 million years and can be divided into three distinct magmatic events.
Article
Crystallography
Yu Liu, Qiuli Li, Guoqiang Tang, Xianhua Li
Summary: Apatite is widely used in geological research, with a new analytical procedure allowing for simultaneous measurement of multiple chemical characteristics, improving analysis efficiency and data consistency.
Article
Chemistry, Analytical
Aleksey E. Melnik, Qiu-Li Li, Jiao Li, Guo-Qiang Tang, Lian-Jun Feng, Jin-Hua Li, Qian Mao, Benita Putlitz, Xian-Hua Li
Summary: Lawsonite is a water-rich mineral that forms in cold subduction zones and can be used to study subduction-related fluids. This study characterizes LM-19 lawsonite as a potential reference material for oxygen isotopic microanalysis and provides its reference value.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2023)
Article
Geochemistry & Geophysics
Yi Zou, Ross N. Mitchell, Xu Chu, Michael Brown, Jilian Jiang, Qiuli Li, Lei Zhao, Mingguo Zhai
Summary: The thermal state of the mantle affects lithospheric dynamics and Earth's surface evolution. Geodynamic simulations suggest that aggregated continents may lead to mantle warming and weaker continental lithosphere, resulting in lower-relief orogens during the mid-Proterozoic period. This weakened lithosphere reduced erosion, limited nutrient delivery to the oceans, hindered oxygen accumulation, and stalled surface evolution.
EARTH AND PLANETARY SCIENCE LETTERS
(2023)
Article
Geochemistry & Geophysics
L. Zhao, H. Tang, R. N. Mitchell, Q. L. Li, X. W. Zhou, M. G. Zhai
Summary: The joining of North and South China formed the East Asian continent and the Dabie-Sulu orogenic belt. Determining the time of their initial collision is crucial for understanding the orogenic processes. New dating results suggest a Middle Permian collision, which indicates that continental collisions in East Asia occurred before the end-Permian mass extinction.
Article
Multidisciplinary Sciences
Qing Zhang, Lei Zhao, Dawn Zhou, Allen P. Nutman, Ross N. Mitchell, Yu Liu, Qiu-Li Li, Hui-Min Yu, Billy Fan, Christopher J. Spencer, Xian-Hua Li
Summary: Studying silicon and oxygen isotopes in the oldest rocks on Earth helps understand crustal recycling and the geological evolution of early Earth.
Article
Geosciences, Multidisciplinary
Hadi Shafaii Moghadam, Qiu-Li Li, William L. Griffin, Xian-Hua Li, Orhan Karsli, Christopher J. Spencer, Jose F. Santos, Maria Kirchenbaur, Sobhi Nasir, Suzanne Y. O'Reilly
Summary: Understanding the crustal growth, reworking, and geodynamics of the northern continental margin of Gondwana during the Ediacaran to Silurian times is crucial for the paleogeographic reconstruction of Gondwana. This study uses various analytical methods to evaluate the magmatic history of this region and obtain relevant detrital zircon data. The results provide valuable insights into the crustal evolution and tectonic activities in the northern Gondwana region.
Article
Environmental Sciences
Meng-Hao Gao, Ping-Ping Liu, Sun-Lin Chung, Qiu-Li Li, Bin Wang, Wei Tian, Xian-Hua Li, Hao-Yang Lee
Summary: Understanding the processes of subducted sediment recycling in subduction zones is crucial for deciphering the interactions between Earth's crust and mantle. This study examines Quaternary arc basalts and andesites from Sumatra Island, Indonesia, using along-arc geochemical variations and zircon U-Pb-Hf-O isotopes to assess the mode of sediment recycling in subduction zones. The findings indicate that some of the volcanic rocks near Toba Caldera derive their composition from subducted terrigenous sediments, which mix with the mantle. Furthermore, thermodynamic modeling suggests that the subducted sediments do not melt on the slab surface, but instead form diapirs that rise buoyantly through the hot mantle wedge and contribute to a significant portion of the magma source.
COMMUNICATIONS EARTH & ENVIRONMENT
(2022)