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Journal of Asian Earth Sciences
IF
2.76
Papers
4595
Papers 4681
1 page of 469 pages (4,681 results)
Newest
Zheng Gong1
Estimated H-index: 1
(CEA: China Earthquake Administration),
Yan Jing (CEA: China Earthquake Administration)+ -3 AuthorsZheng Liu (CEA: China Earthquake Administration)
Abstract The 2016 M6.2 Hutubi Earthquake is an event occurred on a reverse fault located in the northern Chinese Tien Shan, but it is debatable whether the seismogenic fault is a low-angle thrust fault. The coseismic strain responses have been recorded by nine 4-component RZB borehole strainmeters, locating 11 km to 320 km away from the epicenter. The nearest four stations have recorded resolvable static strain responses. The authors used the theoretic tide to calibrate the strains, and relocate...
Yu Zhu (Northwest University (United States)), Shaocong Lai19
Estimated H-index: 19
(Northwest University (United States))
+ -3 AuthorsBaoping Gan1
Estimated H-index: 1
(Northwest University (United States))
Abstract The occurrence of A-type granites following adakitic granites can provide unique insights into the tectonic evolution of subduction zone. This paper presents a comprehensive study of zircon U-Pb-Hf isotopes and whole-rock geochemistry on the Neoproterozoic gabbro-diorites, biotite granites, and K-feldspar granites in the southwestern margin of the Yangtze Block, South China. Zircon U-Pb dating of three distinctive intrusions yield concordant ages of 810.4 ± 2.0 Ma for gabbro-diorites, 8...
Samurdhika Rathnayake (PolyU: Hong Kong Polytechnic University), Robert Tenzer19
Estimated H-index: 19
(PolyU: Hong Kong Polytechnic University)
Abstract Global geoidal undulations are often used as the constraining parameter to model the mantle convection pattern, while gravity data are typically applied to interpret the lithospheric structure. In more recent studies, especially after launching the Gravity field and steady-state Ocean Circulation Explorer (GOCE) satellite gravity-gradiometry mission, gravity gradient measurements have also been used in various geoscience applications. The main motivation of using gravity gradients is to...
Ying Xiong (TUC: Clausthal University of Technology), Xiucheng Tan (PetroChina)+ -3 AuthorsJie Zhang (PetroChina)
Abstract Palaeokarsts contain important information about subaerial exposures due to sea-level regression, which has been considered as a dominant genesis of reservoirs. Herein we describe a typical sedimentary core section of the Middle Ordovician Majiagou Formation that records multi-stage penecontemporaneous karstification in North China. Petrographic observations and stable isotopic data reveal high-frequency penecontemporaneous subaerial exposure and resulting karstification. Evidence for t...
Han-Ao Li (China University of Geosciences), Jingen Dai15
Estimated H-index: 15
(China University of Geosciences)
+ -3 AuthorsChengshan Wang29
Estimated H-index: 29
(China University of Geosciences)
Abstract We report new apatite fission track (AFT) ages and thermal modeling results from the central Songpan-Ganzi, central and easternmost Lhasa, and eastern Qiangtang blocks to provide robust constraints on the extent and expansion of the Proto-Tibetan Plateau. Our results reveal two main stages of rapid cooling events in different geological units. The central Songpan-Ganzi, central Lhasa and eastern Qiangtang blocks underwent a phase of rapid cooling event during the Paleocene-Early Eocene ...
Kang Li5
Estimated H-index: 5
(CEA: China Earthquake Administration),
Eric Kirby37
Estimated H-index: 37
(OSU: Oregon State University)
+ -3 AuthorsDuo Wang (CEA: China Earthquake Administration)
Abstract Crustal extension along north-south graben characterizes active deformation within the central Tibetan Plateau. However, the geodynamic significance of these fault systems remains uncertain, in part reflecting sparse data regarding the onset of extension, rate(s) of slip, and paleoseismic histories along these faults. The Dong Co fault is located to the north of the dextral Beng Co fault in central Tibet. Based on the interpretation of satellite images, we use unmanned aerial vehicle (U...
Gaokui Wu (China University of Geosciences), Changsong Lin8
Estimated H-index: 8
(China University of Geosciences)
+ -3 AuthorsDengkuan Gao
Abstract Investigation of major unconformities and large-scale palaeo-uplifts that developed during basin deformation is key in determining the geodynamic setting and hydrocarbon accumulation. Based on the integral analysis of seismic, logging, and outcrop data, the distribution and erosion amounts of Mesozoic major unconformities, the uplifts of the Tabei Uplift and the geodynamic setting in the Kuqa–Tabei region of the Tarim Basin are documented in this study. The Tabei Uplift underwent four s...
Martin Gillespie11
Estimated H-index: 11
(BGS: British Geological Survey),
Rhian Kendall4
Estimated H-index: 4
(BGS: British Geological Survey)
+ -3 AuthorsMichael Kim Woon Lee (AmeriCorps VISTA)
Abstract Six plutons of granitic to gabbroic rocks have been recognised in the poorly exposed ground of north and east Singapore using new data from borehole cores and field observations. Five of the plutons were emplaced sequentially during the period 285-230 Ma, and these have been grouped within a single parent unit (Bukit Timah Centre) in a new lithodemic framework for Singapore. These plutons record the development of early Permian to Triassic arc-related magmatism towards the southern end ...
Xiaoli Shen3
Estimated H-index: 3
(SDUST: Shandong University of Science and Technology),
Qingxiang Du3
Estimated H-index: 3
(SDUST: Shandong University of Science and Technology)
+ -3 AuthorsXiang Ren (SDUST: Shandong University of Science and Technology)
Abstract The mixture of the Cathaysian and Angaran floras signifies the evolution of the Paleo-Asian Ocean (PAO). In this study, we present new zircon U-Pb-Hf isotope analyses from the Jiefangcun Formation, Sidonggou Formation, Kedao Group, and Kaishantun Formation in the Yanbian area, NE China. The Kaishantun Formation contains the Kaishantun flora, which is dominated by the Cathaysian flora with a few Angaran elements. The Jiefangcun Formation is characterized by the Jiefangcun flora, which is...
Wei Qu (Chang'an University), Yuan Gao (Chang'an University)+ -3 AuthorsQingliang Wang2
Estimated H-index: 2
(CEA: China Earthquake Administration)
Abstract North China is located on the N–S seismic belt of mainland China and is characterized by dense faults and intense seismicity. We analyzed the current regional crustal deformation using GPS observations from 1999–2007 and 2011–2017. We then established a dynamic finite element model based on the geological structure, geophysical parameters, and GPS velocity constraints to analyze the strain-stress features. Finally, we discuss the rationality of the simulation results, the variations in ...
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