Article
Geochemistry & Geophysics
Lev Vernik, Jeremy Gallop
Summary: Elastic depth trends play a crucial role in reservoir characterization and have various applications in seismic data analysis. They are closely related to variables such as pore pressure and cementation, and are significant in frontier exploration.
Article
Geochemistry & Geophysics
Yiming Liu, Zhiping Wu, Lijun Liu, Shiyong Yan, Lin Hu, Mingming Ping, Meng Zhang
Summary: The spatial and temporal interaction between rifting at the northern South China Sea margin and shearing along the Red River Fault Zone is crucial for understanding regional geodynamics. Newly released seismic-reflection data permit a comprehensive analysis of tectono-sedimentary history, revealing a three-phase rifting history in the North subbasins. The basin's intricate structure is attributed to stress field reconfiguration and strike-slip reactivation of blind faults.
Article
Geosciences, Multidisciplinary
Chao Li, Likuan Zhang, Xiaorong Luo, Zhiping Zeng, Jinlei Xiu, Yuhong Lei, Ming Cheng, Caizhi Hu, Meng Zhang, Wenjun He
Summary: This study analyzed the mineral composition and petrophysical properties of overpressured mudstones in the central Junggar Basin, revealing the significant influence of clay mineral diagenesis on compaction processes, overpressure responses, and rock properties.
MARINE AND PETROLEUM GEOLOGY
(2022)
Article
Geosciences, Multidisciplinary
Yanhui Suo, Sanzhong Li, Guangrong Peng, Xiaodong Du, Jie Zhou, Pengcheng Wang, Guangzeng Wang, Ian Somerville, Yixiao Diao, Zhongqiang Liu, Xinjian Fu, Bo Liu, Xianzhi Cao
Summary: This study reveals the significant role of pre-rift structures in controlling the geometry and development of Cenozoic rift basins in the northern South China Sea margin. Based on seismic reflection data and fieldwork, it is found that the Indosinian thrusts controlled the formation of ENE-striking grabens during the Early Eocene syn-rift phase, and both the Indosinian and Yanshanian thrusts were reactivated during the Late Eocene syn-rift phase, leading to the formation of NE-striking right-lateral strike-slip faults and the opening of the South China Sea. This research is important for understanding the lithospheric thinning mechanism of the South China Sea continental margin.
Article
Geosciences, Multidisciplinary
Navot Morag, Ofra Klein-Ben David, Amir Sandler
Summary: A thick sequence of arkosic sandstones and conglomerates, along with volcanic rocks, were deposited in the northern Arabian-Nubian Shield during the late Neoproterozoic Ediacaran period. The study of these sediments in southern Israel provides insights into their depositional environments and diagenetic processes. The composition of trace elements and clay minerals in these sediments reveals their provenance and depositional history.
PRECAMBRIAN RESEARCH
(2022)
Article
Multidisciplinary Sciences
Kwangkyu Park, Rujian Wang, Wenshen Xiao, Leonid Polyak, Hyen Goo Cho, Boo-Keun Khim
Summary: The Mid-Brunhes Event (MBE), occurring approximately 420,000 years ago, is considered the most significant climatic shift in the last 800,000 years. However, it is unclear if this event was global. A study using a sediment sample from the western Arctic Ocean showed that terrigenous input was generally higher during interglacial periods and primarily came from North America.
SCIENTIFIC REPORTS
(2022)
Article
Environmental Sciences
Udisha Singh, K. Suresh, Priyesh Prabhat, Waliur Rahaman, Ashwini Kumar
Summary: This study examines the seasonal variation of aeolian dust sources in the northeast Arabian Sea through the analysis of wet deposit particulate samples. The mineralogical composition and isotopic signatures reveal that the Arabian Peninsula and Northeast Africa are the dominant dust sources during the monsoon period, while the Thar desert and Southwest Asia become more prominent at the end of the monsoon.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Meteorology & Atmospheric Sciences
K. Suresh, Udisha Singh, Ashwini Kumar, Damodararao Karri, Aditya Peketi, V Ramaswamy
Summary: This study investigates the wet deposition of particulate matter in the Northeastern Arabian Sea during the southwest monsoon, focusing on major elements, rare earth elements, mineralogical composition, and isotopic compositions. It found significant temporal variability in REEs patterns, mineral compositions, and isotopic compositions, indicating changing dust sources during different phases of the monsoon season. The identified sources using geochemical tracers were supported by satellite images and back-trajectory analyses.
ATMOSPHERIC RESEARCH
(2021)
Article
Geosciences, Multidisciplinary
Zhao Zhigang, Zhang Hao, Cui Yuchi, Tang Wu, Qiao Peijun
Summary: The Cenozoic sea-land transition in the northern South China Sea controlled the sedimentary filling pattern and petroleum geological characteristics of the northern marginal sedimentary basins. The transgression in the northern SCS showed characteristics of early development in the east and south, and late development in the west and north, influencing the distribution of continent-marine facies and marine facies source rocks. Regional sea-level changes were influenced by both SCS opening and global sea-level changes, leading to the formation of carbonate platforms in the SCS.
ACTA GEOLOGICA SINICA-ENGLISH EDITION
(2021)
Article
Geosciences, Multidisciplinary
Bing Li, Yongchao Wang, Andrew V. Zuza, Xuanhua Chen, Zhaogang Shao, Zeng-Zhen Wang, Yujun Sun, Chen Wu
Summary: The present topography of the northern Tibetan Plateau, characterized by the Eastern Kunlun Range, Qaidam Basin, and Qilian Shan, plays an important role in the evolution and mechanism of Tibetan plateau development. Understanding the Cenozoic deformation history and the source-to-sink relationship is crucial for deciphering the growth history of the northern Tibetan Plateau. The North Qaidam thrust belt provides valuable information about Cenozoic deformation in this region.
GEOLOGICAL SOCIETY OF AMERICA BULLETIN
(2023)
Article
Environmental Sciences
Akshit Kumar Monga, Raj Kumar
Summary: Interpretation of satellite images and mineral analysis were used to identify soil mineral assemblages in different micro-regions of Punjab state. The study found that most minerals in sand and clay fractions seem to have been transported as such.
JOURNAL OF THE INDIAN SOCIETY OF REMOTE SENSING
(2022)
Article
Geosciences, Multidisciplinary
Ze Liu, Di-Cheng Zhu, Qing Wang, Peter A. Cawood, An-Lin Ma, Yener Eyuboglu, Fu-Yuan Wu, Zhi-Dan Zhao
Summary: Resolving the timing of rifting in the Black Sea basin is crucial for understanding the tectonic evolution of the Pontides arc in northern Turkey. Through U-Pb geochronology analysis of sediments from the Eastern Pontides and circum-Black Sea terranes, researchers have identified distinct detrital provenances and ages in different regions. The results suggest that sediments in the Eastern Pontides were sourced locally from Gondwana affinity crustal basement rocks and associated Mesozoic-Cenozoic igneous rocks, while there was no exchange of detritus across the Eastern Black Sea basin. These findings provide important insights into the tectonic history of the region.
Article
Geography, Physical
C. N. Blok, J. Ineson, K. Anderskouvc, A. Fantasia, E. Sheldon, N. Thibault, M. E. Jelby, T. Adatte, S. Bodin
Summary: This study explores the climatic evolution during the Early Cretaceous in the Boreal Realm of the Danish Central Graben, North Sea. The research findings suggest that there are differences in precipitation patterns between the Tethyan Realm and the Boreal Realm during the OAE-1a period, indicating a more complex weathering feedback mechanism during hyperthermal events than previously assumed.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2022)
Article
Geography, Physical
C. N. Blok, J. Ineson, K. Anderskouv, A. Fantasia, E. Sheldon, N. Thibault, M. E. Jelby, T. Adatte, S. Bodin
Summary: The study conducted high-resolution clay-mineral assemblage analyses on a cored section in the Danish Central Graben, North Sea, revealing differences in climatic evolution during OAE-1a between the Tethyan and Boreal Realms, indicating a more complex weathering feedback mechanism during hyperthermal events.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2022)
Article
Geology
Fred J. Davey, Stephen Cande, Joann Stock
Summary: Using marine gravity and seismic data, a preliminary crustal model for the Central Basin of the northern Ross Sea was derived, showing a thick ocean crust. Analysis of the pole of rotation for different time periods allowed for the reconstruction of the northern Ross Sea margin prior to 61 Ma, showing a close fit of continental components.
NEW ZEALAND JOURNAL OF GEOLOGY AND GEOPHYSICS
(2022)