Journal of Asian Earth Sciences最新文献

{"title":"Microbial characteristics and CO2 diffuse emission in the Mt. Changbai volcanic field, northeast China","authors":"Yutao Sun ,&nbsp;Xingxing Li ,&nbsp;Zhengfu Guo ,&nbsp;Wenbin Zhao ,&nbsp;Yue Zhang ,&nbsp;Peizhan Li ,&nbsp;Xiaoyong Zhao ,&nbsp;Yaru Li ,&nbsp;Bin Hong","doi":"10.1016/j.jseaes.2025.106513","DOIUrl":"10.1016/j.jseaes.2025.106513","url":null,"abstract":"<div><div>Volcanism is one of the principal geologic processes that drive the transferring of carbon between interior and surface reservoirs, playing a crucial role in climate change and global warming. Clarifying the relationship between the characteristics of microorganisms and geological degassing of dormant volcanoes is one of the most important and fundamental tasks. In this study, the microbial characteristics (including bacteria, archaea, and fungi) of cold and hot springs and soil in the Tianchi volcano (TCV), northeastern China were comprehensively studied. Results of this study indicated that the microbial diversities of water environments (hot and cold springs) exhibited distinct characteristics compared to that of the soil, inferring that the microbial-driven carbon cycle in wet and dry degassing systems in the TCV are different. The CO₂ diffuse emission flux from the soil through micro-seepage decreased from the crater to the peripheral area, which broadly coincided with the diversity and richness of the microbial community. A moderate but significant correlation was found between soil CO₂ flux and microbial diversity of bacteria, archaea and fungi, differing from that observed in extreme volcanic environments and non-volcanic fields. This study is the first to report the correlation between microbial community diversity and soil CO₂ flux in a non-extreme volcanic environment. The findings reveal the diversity of microorganisms involved in the carbon cycle, which may provide a foundation for further in-depth exploration of the intrinsic microbial mechanisms in the carbon cycle.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106513"},"PeriodicalIF":2.7,"publicationDate":"2025-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143358055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Earthquake-induced permeability and hydrochemical variation in an aquifer–aquitard system","authors":"Xiaobo Feng,&nbsp;Zhihua Zhou","doi":"10.1016/j.jseaes.2025.106514","DOIUrl":"10.1016/j.jseaes.2025.106514","url":null,"abstract":"<div><div>Groundwater level, permeability, and chemical components can be affected by earthquakes; however, there are few comprehensive investigations utilizing long-term continuous hydrological monitoring data covering multiple strong earthquakes. In this study, a continuous 2-year dataset of groundwater levels and chemical composition (Ca²⁺, Mg²⁺, HCO₃⁻) from well #32 in the Xichang area of Sichuan Province, China, was used to analyze changes in earthquake-induced hydrological processes within an aquifer–aquitard system. Co-seismic changes in groundwater level and ion concentrations were associated with the Yangbi <em>M</em>_W 6.1 and Luding <em>M</em>_W 6.6 earthquakes. Horizontal and vertical permeability, estimated using the tidal response model, decreased during both earthquakes, possibly owing to dynamic strain resulting from seismic waves. In addition, there were significant correlations between vertical permeability and ion concentrations, with ion fluctuations during earthquake periods possibly associated with reduced mixing of different groundwater sources owing to the decrease in permeability. The results of this study provide new insight into the role of earthquakes in dynamic hydrological processes.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106514"},"PeriodicalIF":2.7,"publicationDate":"2025-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143358054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Active tectonics and kinematic architecture of intraplate strike-slip fault: Savrun fault zone, SE Türkiye","authors":"Şule Gürboğa","doi":"10.1016/j.jseaes.2025.106509","DOIUrl":"10.1016/j.jseaes.2025.106509","url":null,"abstract":"<div><div>Türkiye is a unique country whose deformation pattern has been formulated in terms of three main plates Eurasia, Africa, Arabia and microplate Anatolian that are actively moving in recent time. This variety creates a giant fault network defining the plate boundaries and intraplate faults. Savrun Fault Zone (SFZ) is one of the intraplate strike-slip faults near west of the 2023 earthquakes area and many controversies have arisen about its activeness. In this study, it is investigated and reported on the geometric, structural, and kinematic characteristics of the SFZ based on field measurements of fault-slip data. At least two different deformation phases have been recognized in the geological evolution of the SFZ; older NNE-SSW compressional tectonic up to Middle Pliocene and the youngest strike-slip regime created by N-S compression and E-W extensional direction. According to the results, SFZ is a reactivated reverse fault and its the present-day configuration is an active sinistral strike-slip architecture comprising three segments (north, middle and east) and two contractional stepovers reflecting strong geomorphic indicators marked by strike parallel fault valley.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106509"},"PeriodicalIF":2.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143172370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Velocities and strain rates in the Baikal-Mongolia region from the GNSS data","authors":"A.V. Lukhnev,&nbsp;V.A. Sankov,&nbsp;A.I. Miroshnichenko,&nbsp;L.M. Byzov,&nbsp;A.V. Sankov,&nbsp;O.F. Lukhneva","doi":"10.1016/j.jseaes.2025.106500","DOIUrl":"10.1016/j.jseaes.2025.106500","url":null,"abstract":"<div><div>We carried out study crustal deformations in the Baikal-Mongolian area as a key Indo-Asian collision zone including kinematic, geodynamic, and active tectonic aspects. The GNSS measurement data over the last 29 years formed the basis for calculating vectors of horizontal tectonic movements at a qualitatively new level. Recent results show the southeastern movement of the Trans-Baikal sites at an average velocity of 2 mm yr⁻¹.</div><div>We calculated the most realistic velocity of the opening of the Baikal Rift are of 0.9 ± 0.1 mm year⁻¹. On the basic long-term measurements we are computed the parameters of the rotation pole of the Siberian block (φ.: 53.107°; λ.: −99.793°; Mg.: 0.249282° Myr⁻¹).</div><div>The maximum values of area extension rates are mainly confined to the central parts of the Baikal rift and the Tunka depression. The amplitudes of the relative deformation extension exceed 20 × 10^-9 yr⁻¹.</div><div>The strain rate analysis also provided an opportunity to distinguish three deformation domains – contraction-, extension- and transition-dominated. Narrow zones identified between the extension- and contraction-dominated deformation domains are confined to large seismic events therein. Transitional zones are found in the central Mongolia, Transbaikalia and Tuva, with dilatation rates ranging from −5 to 5 × 10^-9 yr⁻¹.</div><div>A sharp positive to negative dilatation transition boundary is associated with recent significant seismic events.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106500"},"PeriodicalIF":2.7,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143173344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Seismic activity characteristics of the Tongkuang Shan fault (Southeastern Tian Shan, China) revealed by high-resolution topographic data","authors":"Hui Qiu ,&nbsp;Haiyun Bi ,&nbsp;Wenjun Zheng ,&nbsp;Jiangyuan Zeng ,&nbsp;Bingxu Liu ,&nbsp;Shiqi Wei","doi":"10.1016/j.jseaes.2025.106505","DOIUrl":"10.1016/j.jseaes.2025.106505","url":null,"abstract":"<div><div>With the rapid development of remote sensing technology, it is getting easier to obtain high-resolution topographic data, which is of great significance for quantitative investigations of active tectonics, particularly in inaccessible regions. The Tongkuang Shan Fault is a thrust fault located within the Yanqi Basin in the southeastern Tian Shan Mountain, and can be divided into the west and east segment based on the fault geometry. Although obvious fault scarps have developed along the fault, its activity has rarely been investigated since most part of the fault is located in a closed military area. In this study, the Worldview satellite stereoscopic images were utilized to create a 0.5 m resolution Digital Elevation Model (DEM) and orthoimage of the Tongkuang Shan Fault. Based on the high-resolution topographic data, we interpreted the geometric structure of the fault, classified the different geomorphic units, and measured the vertical displacements along the fault. A total of 296 vertical displacements were measured on different geomorphic surfaces along the fault trace. The results show six distinct clusters in the distribution of vertical displacements along the fault, with peak values at 1.4 ± 0.4/1.5 ± 0.5 m, 3.0 ± 0.7/3.4 ± 0.6 m, 5.7 ± 0.9/5.5 ± 0.7 m, 8.9 ± 1.2/8.2 ± 1.3 m, 15.4 ± 1.0/16.2 ± 0.9 m, and 28.3 ± 1.8/26.5 ± 1.5 m on the west and east segment, respectively, which are in good agreement with the vertical displacements acquired from different geomorphic units, indicating a multiple phase of activity on the fault. The fault may have undergone at least six strong paleoseismic events, and the smallest displacement cluster (1.4 ± 0.4/1.5 ± 0.5 m) is considered to be the coseismic displacement of the most recent event, yielding an earthquake magnitude of approximately M_w 7.0–7.2. Moreover, the coefficient of variation of the first four peak displacements are 0.39 and 0.24 for the two segments, indicating a high repeatability of paleoseismic displacements on the fault, potentially conforming to a characteristic earthquake model.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106505"},"PeriodicalIF":2.7,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143173387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Integrated chemostratigraphy and detrital zircon geochronology of the Ediacaran–Cambrian transition in the Western Anabar Uplift: Implications for the Neoproterozoic evolution of the northern Siberian Platform","authors":"Vasiliy V. Marusin ,&nbsp;Natalia V. Bykova ,&nbsp;Dina V. Semenova ,&nbsp;Boris B. Kochnev ,&nbsp;Natalia A. Ivanova","doi":"10.1016/j.jseaes.2025.106507","DOIUrl":"10.1016/j.jseaes.2025.106507","url":null,"abstract":"<div><div>The Terreneuvian strata of the Anabar Uplift (northern Siberian Platform) represent one of the reference sections for the periodization of the Early Cambrian geological record and global correlation. The age of the underlying Staraya Rechka Formation remains unclear due to a lack of biostratigraphic data, equivocal carbon isotope record and controversial geochronological age constraints. Herein we present the detailed chemostratigraphic (carbonate carbon isotope analysis) and geochronological (U-Pb analysis of detrital zircons) study of the Staraya Rechka Formation in the Western Anabar Uplift. Our data reveal that this evaporite-associated carbonate succession accumulated in the terminal Ediacaran within 550–540 Ma and is unconformably overlapped by the Nemakit-Daldyn Formation no older than 537 Ma. Hence, the carbonate isotope record of the Western Anabar Uplift lacks the BACE isotope excursion. At the beginning of the accumulation of the Staraya Rechka Formation, the clastic material in the paleobasin was derived from the Central Taymyr Fold Belt and crystalline basement of the Siberian Platform. In contrast, detrital zircons in the upper Staraya Rechka and basal Nemakit-Daldyn formations mostly originate from the rift magmatism that occurred in the northeastern Siberian Platform around the Ediacaran–Cambrian transition.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106507"},"PeriodicalIF":2.7,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143173343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Constraints of detrital garnet and zircon on provenance of Late Permian–Early Triassic fore-arc sedimentary succession in the Kurosegawa Belt, Japan","authors":"Masahiro Ohkawa ,&nbsp;Makoto Takeuchi","doi":"10.1016/j.jseaes.2025.106502","DOIUrl":"10.1016/j.jseaes.2025.106502","url":null,"abstract":"<div><div>The ages of detrital zircons are not always sufficient to definitively constrain sediment sources. Information obtained from the ages of these zircons should be complemented with information from other detrital minerals such as garnet. However, studies using detrital garnets and zircons regarding provenance shift are rare. In this study, we elucidate the effectiveness of a method combining detrital garnet and zircon analyses from the Late Permian–Early Triassic Shingai Unit of Southwest Japan and reveal spatial changes in the Permian–Triassic provenance of fore-arc sedimentary successions in Japan. A comprehensive analysis showed that the detrital garnets changed from almandine- to grandite-dominated assemblages, implying a provenance shift from non-calcareous to calcareous metamorphic rocks. Conversely, detrital zircons consistently indicate a predominantly igneous origin, comprising Late Paleozoic–Early Mesozoic ages with minor pre-Late Paleozoic ages. The statistical results of the detrital garnet compositions and zircon ages showed different characteristics, and the variation in garnet composition indicated a shift in metamorphic origin. Conversely, the variation in the zircon spectra may be influenced by different proportions of pre-Late Paleozoic components of igneous origin. These findings highlight that the detrital zircon record influenced predominantly by igneous sources, whereas the detrital garnet record is primarily influenced by metamorphic sources. Based on regional geological information, the primary provenance of the Permian–Triassic fore-arc successions in Japan is a Late Paleozoic–Early Mesozoic volcanic arc with contact metamorphic rocks and pre-Late Paleozoic arc-related rocks, which changed from volcanic and non-calcareous metamorphic rocks to plutonic and calcareous metamorphic rocks through uplift and denudation.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106502"},"PeriodicalIF":2.7,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143173346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Explosive ultramafic volcanism in Phanerozoic accreted terranes: A case study of the Taragai peridotite complex (Russian Far East)","authors":"Nikolai Berdnikov,&nbsp;Pavel Kepezhinskas,&nbsp;Victor Nevstruev,&nbsp;Valeria Krutikova,&nbsp;Natalia Konovalova","doi":"10.1016/j.jseaes.2025.106503","DOIUrl":"10.1016/j.jseaes.2025.106503","url":null,"abstract":"<div><div>In the Bureya accreted terrane of the Central Asian Orogenic Belt, the Taragai peridotite complex displays geologic characteristics of an explosive volcanic pipe. The crater-like, central topographic depression is composed of ultramafic pyroclastic rock that is surrounded by partially eroded tephra walls with imbedded peridotite blocks. Both peridotite blocks and ultramafic pyroclastics consist of olivine, orthopyroxene and spinel with minor phlogopite and display similar subduction-related geochemical characteristics. A certain degree of crustal contamination is suggested by highly radiogenic Sr isotope compositons of peridotites. LILE- and LREE-enriched basaltic dikes intrude ultramafic pyroclastic rocks. Peridotite blocks, ultramafic pyroclastic rocks and basaltic dikes contain three types of microspherules composed of 1) magnetite, 2) sulfide (mostly pyrrhotite) and 3) Cu-Ag-Au alloy. Magnetite microspherules reflect oxidation of sulfide in peridotite. Cu-Ag-Au microspherules were formed through re-melting of Cu-Ag-Au particles in peridotite blocks. Sulfide microspherules represent solidified droplets of sulfide melt generated during explosive emplacement of the Taragai complex. Assemblages of metals, alloys and ore minerals along with distribution of trace and ore elements in the Taragai peridotite complex are similar to the Ildeus ultramafic massif in the Stanovoy superterrane located to the northwest from the Bureya terrane. We propose that Taragai complex was formed as a result of a focused asthenospheric fluid flux from the flat-slab window beneath the Bureya terrane through the subduction-related ultramafic massif. Observed metallogenic features of the Taragai explosive volcanic complex thus may reflect contributions from mineralized ultramafic intrusive target, host accreted terrane rocks and asthenospheric fluid.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106503"},"PeriodicalIF":2.7,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143173345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Adsorption behavior of H2 in forsterite micro-pores with genetic implications for H2 seismic geochemical anomalies","authors":"Longxing Yang ,&nbsp;Lei Liu ,&nbsp;Daming Yang ,&nbsp;Shide Mao","doi":"10.1016/j.jseaes.2025.106501","DOIUrl":"10.1016/j.jseaes.2025.106501","url":null,"abstract":"<div><div>The presence and properties of hydrogen gas (H₂) in the Earth’s deep interior provide valuable insights into the role of H₂ geochemistry in monitoring seismic activities. Experiment results have shown that serpentinization of olivine is the primary mechanism of natural H₂ production on the Earth. Therefore, the characteristics of H₂ storage and migration within the Earth are significant for understanding the mechanisms behind seismic geochemical precursor. In this study, the Grand Canonical Monte Carlo method combined with molecular dynamics is applied to simulate the adsorption behaviors and characteristics of H₂ in slit-like pores of forsterite (an free-Fe olivine end-number), under different temperature–pressure conditions (300–1000 K and 0–100 MPa) and pore sizes (5–20 Å). The results indicated that adsorption of H₂ in forsterite pores is physical adsorption mainly controlled by van der Waals force. The amount of heat released by adsorption of H₂ in forsterite pores (isosteric heat) positively correlates with temperature and pore size. The increased pressure and pore size will increase the amount of H₂ adsorbed (N_excess) in the forsterite pores and temperature is negatively correlated with the N_excess. Our simulations reveal that the interplay between temperature–pressure conditions and the pore size of forsterite significantly influences the adsorption and dissipation of H₂ within the deep Earth. This interaction subsequently results in discernible changes to the geochemical signatures of H₂ at the Earth’s surface, which are intrinsic controls that allow H₂ geochemical characteristics to serve as crucial indicators for monitoring seismic activities.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106501"},"PeriodicalIF":2.7,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143173342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Origin and evolution of the Qiangtang block, northern Tibetan Plateau: New insights from detrital zircon U-Pb geochronology and Lu-Hf isotopic compositions","authors":"Min Liu ,&nbsp;Xijun Liu ,&nbsp;Hao Wu ,&nbsp;Yao Xiao ,&nbsp;Zhenglin Li ,&nbsp;Hongxia Yu","doi":"10.1016/j.jseaes.2025.106499","DOIUrl":"10.1016/j.jseaes.2025.106499","url":null,"abstract":"<div><div>Detrital zircon age spectra analysis offers insights into tectonic and sedimentary environments. In the Paleozoic sedimentary rocks of the Qiangtang block, northern Tibetan Plateau, we measured U-Pb ages of detrital zircons to elucidate the blocks tectonic-sedimentary evolution and its relationship to the Tethyan regime. Our findings reveal zircon age peaks at approximately ca. 2500, ca. 1600, ca. 970, and ca. 550 Ma, closely resembling the Cimmerian continent and exhibiting paleogeographic affinities with the northern margin of Gondwanan India. Our new data, alongside existing geological data, indicate distinct tectonic pathways for the North and South Qiangtang blocks since the Neoproterozoic as a result of Rodinia breakup. Our sedimentological and geochronological evidence implies that the Longmu Co-Shuanghu suture zone is an in situ ophiolite mélange formed by the closure of the Paleo-Tethyan Ocean.</div></div>","PeriodicalId":50253,"journal":{"name":"Journal of Asian Earth Sciences","volume":"281 ","pages":"Article 106499"},"PeriodicalIF":2.7,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143350473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}