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Alkaline magmatism from the Lublin–Baltic area of Poland (SW slope of the East European Craton)—Manifestation of hitherto unrecognized early Carboniferous igneous province 波兰卢布林-波罗的海地区（东欧克拉通西南斜坡）的碱性岩浆作用——迄今未被识别的早石炭世火成岩省的表现
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-08-29 DOI: 10.1111/ter.12681
P. Poprawa, K. Nejbert, P. Krzywiec, E. Krzemińska, L. Krzemiński, S. Mazur, E. Slaby
{"title":"Alkaline magmatism from the Lublin–Baltic area of Poland (SW slope of the East European Craton)—Manifestation of hitherto unrecognized early Carboniferous igneous province","authors":"P. Poprawa, K. Nejbert, P. Krzywiec, E. Krzemińska, L. Krzemiński, S. Mazur, E. Slaby","doi":"10.1111/ter.12681","DOIUrl":"https://doi.org/10.1111/ter.12681","url":null,"abstract":"Our study of boreholes, seismic survey and magnetic data from the region between the Baltic Basin and the Lublin Basin indicates the existence of numerous buried intrusions and effusive complexes, most of them unnoticed so far, together with a few igneous massifs. They are of alkaline character and developed in a time span of c. 348 to 338 Ma. Deep seismic data reveal the presence of large sills (up to 100 km long) within the crystalline basement and the overlying sedimentary cover, at depths of 7–14 km and 5.5–6.5 km, respectively. All these igneous rocks occur in the coherent region and constitute a hitherto unrecognized Lublin–Baltic Mississippian Igneous Province (>120,000 km2). Its denudation is evidenced by the Mississippian volcaniclastic formations of high thickness, developed in the adjacent basins. Igneous activity was triggered by thermal anomaly and/or mantle decompression caused by stress field reorganization, induced by the Variscan collision.","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44406876","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}
引用次数: 0
A novel approach for quantifying similarities between different debris flow sites using field investigations and numerical modelling 一种利用实地调查和数值建模量化不同泥石流地点相似性的新方法
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-08-22 DOI: 10.1111/ter.12679
M. T. Abraham, N. Satyam, B. Pradhan
{"title":"A novel approach for quantifying similarities between different debris flow sites using field investigations and numerical modelling","authors":"M. T. Abraham, N. Satyam, B. Pradhan","doi":"10.1111/ter.12679","DOIUrl":"https://doi.org/10.1111/ter.12679","url":null,"abstract":"Debris flows are geomorphological processes that affect the landscape evolution process of any region. In this study, an integrated methodology is proposed to identify the chance of further debris flows and quantify the similarities between debris flow locations, materials and rheology, using field and laboratory investigations and remote sensing data. The method was tested for four failure‐triggered debris flow sites in the Western Ghats of India, using dimensionless parametric similarity values ranging from 0 to 1. The maximum parametric similarity was observed as 0.84 when comparing the flow accumulation values of Sites 3 and 4, and the maximum overall site similarity was 0.68. The calibrated rheological parameters of one site were found to be satisfactory in modelling the shape of debris flow at all other sites. The findings can be used to identify similar hotspots in the region and to simulate debris flows for quantitative hazard assessment.","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48915275","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}
引用次数: 0
A review of the tectonic, volcanological and hazard history of Vulcano (Aeolian Islands, Italy) 意大利伊奥利亚群岛火山构造、火山学和灾害史综述
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-08-19 DOI: 10.1111/ter.12678
Gianfilippo De Astis, D. Doronzo, Mauro A. Di Vito
{"title":"A review of the tectonic, volcanological and hazard history of Vulcano (Aeolian Islands, Italy)","authors":"Gianfilippo De Astis, D. Doronzo, Mauro A. Di Vito","doi":"10.1111/ter.12678","DOIUrl":"https://doi.org/10.1111/ter.12678","url":null,"abstract":"Vulcano is one of the seven volcanic islands composing the Aeolian Islands archipelago (Southern Italy), which also includes three other active volcanoes. The island was originally a stratovolcano like Stromboli; afterwards, its shape turned towards a complex structure composed of several volcanic landforms of different sizes. This is due to the great variability of the tectonic and volcanic phenomena, presently showing a volcano made by two calderas, a lava dome complex and two small active cones. The largest of them is the tuff cone of La Fossa, hosted in the middle of a 3‐km‐wide caldera structure (La Fossa caldera), whose borders are visible on the southern and western sides of the island. Its last eruption occurred in 1888–1890. At present, Vulcano is characterized by weak shallow seismicity and intense fumarolic activity mainly concentrated within the crater of the La Fossa cone and along its rims during a recent unrest phase started in 2021, and measured with a multiparametric monitoring network.","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44003307","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}
引用次数: 0
Miocene tectonic activity at the boundary between NE Pannonian and NW Transylvanian basins (Romania): Insight from new seismic data 罗马尼亚东北潘诺尼亚盆地与西北特兰西瓦尼亚盆地交界的中新世构造活动:新地震资料的启示
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-08-18 DOI: 10.1111/ter.12677
I. Panea, I. Munteanu, C. Gaina, V. Mocanu, R. Roban, Catalin-Florin Bouaru
{"title":"Miocene tectonic activity at the boundary between NE Pannonian and NW Transylvanian basins (Romania): Insight from new seismic data","authors":"I. Panea, I. Munteanu, C. Gaina, V. Mocanu, R. Roban, Catalin-Florin Bouaru","doi":"10.1111/ter.12677","DOIUrl":"https://doi.org/10.1111/ter.12677","url":null,"abstract":"Situated at the junction between the Eastern Carpathians Mountains, the Pannonian and the Transylvanian basins, the Baia Mare region (Romania) has a complex geological history that witnessed the interaction among the three main tectonic provinces. Here, we report results from new seismic reflection measurements that provide modern information about the subsurface geological structure. The integrated analysis of the newly acquired and vintage seismic reflection data from the study area reveals details about the architecture of the Palaeogene and the Neogene deposits at the contact between the northeastern Pannonian and northwestern Transylvanian basins. In particular, it unveils a fault zone that most probably controlled the tectonic evolution of the eastern Pannonian and Transylvanian basins. A better understanding of the crustal structure and tectonic features in the study area is a first step into evaluating the geothermal potential of the region.","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43389070","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}
引用次数: 0
Age and origin of a Guadalupian tuff in the E'Xi rift basin in South China: Evidence for the Emeishan continental hotspot track? 华南鄂西裂谷盆地瓜达鲁阶凝灰岩的时代和成因：峨眉山大陆热点轨迹的证据？
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-08-09 DOI: 10.1111/ter.12674
Minglong Li, L. Qiu, Deshun Zheng, D. Yan, Youjun Zhang, Boyong Yang, Mingyin Yang, Zhiyong Cai, Keyuan Xu, Qiang-tai Huang, Wangxue Tian
{"title":"Age and origin of a Guadalupian tuff in the E'Xi rift basin in South China: Evidence for the Emeishan continental hotspot track?","authors":"Minglong Li, L. Qiu, Deshun Zheng, D. Yan, Youjun Zhang, Boyong Yang, Mingyin Yang, Zhiyong Cai, Keyuan Xu, Qiang-tai Huang, Wangxue Tian","doi":"10.1111/ter.12674","DOIUrl":"https://doi.org/10.1111/ter.12674","url":null,"abstract":"Unlike oceanic hotspot tracks, continental hotspot tracks are difficult to recognise, although they can provide unique insights into crustal deformation and intraplate magmatism. Here, we present whole‐rock geochemical and Sr–Nd isotope, and zircon U–Pb age and Hf isotope data for a tuff from the E'Xi rift basin in the South China Block. The zircons yielded a 206Pb/238U age of 267.0 ± 2.0 Ma, which coincides with the Roadian–Wordian boundary. The whole‐rock geochemical and Sr–Nd isotope data for the tuff indicate it had a mixed mantle–crust source. The zircon trace element and εHf(t) (−6.32 to +7.06) data are also consistent with such a source. Based on the sedimentological and tectonic history, and the geochronology and geochemistry of the tuff, we propose the tuff erupted in a rift and records the hidden hotspot track of the Emeishan mantle plume beneath the northern SCB.","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43505582","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}
引用次数: 0
Insights on the uplift mechanism of the eastern Tibetan Plateau from the flexural isostasy study 从弯曲均衡研究看青藏高原东部隆升机制
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-08-09 DOI: 10.1111/ter.12676
W. Shi, Shi Chen, Huai Zhang, Zhen Zhang, J. Han
{"title":"Insights on the uplift mechanism of the eastern Tibetan Plateau from the flexural isostasy study","authors":"W. Shi, Shi Chen, Huai Zhang, Zhen Zhang, J. Han","doi":"10.1111/ter.12676","DOIUrl":"https://doi.org/10.1111/ter.12676","url":null,"abstract":"It is generally believed that the rapid uplift of the eastern Tibetan Plateau is due to the continuous continental collision between the Indian and Eurasian plates. But the uplift mechanisms of the eastern Tibetan Plateau remain uncertain. The analysis of flexural isostasy can provide new insights into those uplifting mechanisms. In this study, the effective elastic thickness () and load ratio () of the lithosphere are estimated around the eastern Tibetan Plateau. The derived and are used to compute flexural isostatic anomalies (FIA) using the theoretical Bouguer admittance method. We find the eastern margin of the Tibetan Plateau is dominated by low , high , and significant negative FIA. Our results suggest that this area has a weak lithosphere with heavy subsurface loadings and crustal mass surpluses. This supports that a middle‐lower crustal channel flow probably underlies this region.","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48032901","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}
引用次数: 0
Uplift, deflation and marine onlap of a Jurassic rift dome, illustrated by a backstepping Middle–Upper Jurassic shelf‐to‐slope succession, Geographical Society Ø, East Greenland 侏罗纪裂谷穹顶的隆起、收缩和海相上覆，以中-上侏罗统陆架-斜坡逆推序列为例，地理学会Ø，东格陵兰
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-07-31 DOI: 10.1111/ter.12673
F. Surlyk, P. Alsen, J. Hovikoski, S. Piasecki
{"title":"Uplift, deflation and marine onlap of a Jurassic rift dome, illustrated by a backstepping Middle–Upper Jurassic shelf‐to‐slope succession, Geographical Society Ø, East Greenland","authors":"F. Surlyk, P. Alsen, J. Hovikoski, S. Piasecki","doi":"10.1111/ter.12673","DOIUrl":"https://doi.org/10.1111/ter.12673","url":null,"abstract":"“Doming–rifting–spreading” constitute the main phases of classical plate tectonics. The Middle–Upper Jurassic succession of East Greenland is interpreted as reflecting formation, deflation and onlap of a rift dome, similar to contemporaneous rift domes in the North Sea, Denmark and southern Sweden. The succession forms a northwards backstepping and onlapping early rift succession in the N–S oriented basin. Deposition ranged from coastal over shallow marine and slope sands, through offshore siltstones to deep basinal mudstones. An outlier on the island Geographical Society Ø fills an important gap in the documentation of the doming, deflation and progressive onlap. Bajocian deposition took place in a shallow marine shelf. This was followed in the late Oxfordian by slope and base‐of‐slope deposition. The backstepping succession onlaps progressively older rocks towards the north, illustrating the gradual deflation, erosion and onlap of the dome, constituting the early part of the doming–rifting–spreading phases of classical plate tectonics.","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43376108","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}
引用次数: 0
Continental and island arc segmentation: Implications for retro‐arc and pro‐arc foreland basin and backarc basin geometries and sediment distributions 大陆弧和岛弧分割:对弧后和弧前陆盆地和弧后盆地几何形状和沉积物分布的影响
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-07-28 DOI: 10.1111/ter.12672
Keith Martin
{"title":"Continental and island arc segmentation: Implications for retro‐arc and pro‐arc foreland basin and backarc basin geometries and sediment distributions","authors":"Keith Martin","doi":"10.1111/ter.12672","DOIUrl":"https://doi.org/10.1111/ter.12672","url":null,"abstract":"Segmented magmatic arcs create arc‐parallel variable loads and influence associated foreland basins through flexural isostasy along strike, in addition to standard subduction‐perpendicular foredeep/forebulge/backbulge models. Segmentation occurs in both continental and island arcs (Aleutians, Calabria, Japan, Kuril/Kamchatka, Lesser Antilles, Solomon Islands and Sumatra/Java). Some segments have variable gravity anomalies and elastic thicknesses (Te). In standard theory, the load created by an orogenic belt/magmatic arc depresses the lithosphere modelled as a thin elastic plate floating on a fluid mantle substrate, leading to an arc‐perpendicular foredeep, forebulge and backbulge. Arc‐parallel topographic and gravitational features should influence loading along strike in a similar way, resulting in a checkerboard pattern of foredeeps, forebulges and backbulges in both pro‐arc and retro‐arc foreland basins. This pattern exercises profound controls on sediment and facies distribution in a here‐to‐fore un‐envisaged manner, with implications for resource exploration in foreland basins.","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42391832","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}
引用次数: 1
Numerical constraints on the one‐stage and two‐stage Greater India collision models 大印度一阶段和两阶段碰撞模型的数值约束
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-07-16 DOI: 10.1111/ter.12671
Qian Li, Zhong‐Hai Li, Pengpeng Huangfu
{"title":"Numerical constraints on the one‐stage and two‐stage Greater India collision models","authors":"Qian Li, Zhong‐Hai Li, Pengpeng Huangfu","doi":"10.1111/ter.12671","DOIUrl":"https://doi.org/10.1111/ter.12671","url":null,"abstract":"","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46032382","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}
引用次数: 0
Issue Information 问题信息
IF 2.4 3区 地球科学
Terra Nova Pub Date : 2023-07-11 DOI: 10.1111/ter.12604
{"title":"Issue Information","authors":"","doi":"10.1111/ter.12604","DOIUrl":"https://doi.org/10.1111/ter.12604","url":null,"abstract":"","PeriodicalId":22260,"journal":{"name":"Terra Nova","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2023-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43832729","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}
引用次数: 0
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