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Depositional Ages, Sequence Stratigraphy and Transition Process of Forearc Setting From Paleogene Restricted Bay/Estuarine to Neogene Open-Marine Deltaic/Slope Systems in the Sanriku-Oki Forearc Basin, Northeast Japan 日本东北三陆- oki前弧盆地古近系局限湾/河口向新近系开阔海相三角洲/斜坡体系的沉积时代、层序地层学及前弧背景过渡过程
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-07-03 DOI: 10.1111/bre.70042
Osamu Takano, Takashi Tsuji, Yasuhiro Yamada, Akira Ijiri, Tsuyoshi Ishikawa, Masafumi Murayama, Yasuo Kondo, Fumio Inagaki
{"title":"Depositional Ages, Sequence Stratigraphy and Transition Process of Forearc Setting From Paleogene Restricted Bay/Estuarine to Neogene Open-Marine Deltaic/Slope Systems in the Sanriku-Oki Forearc Basin, Northeast Japan","authors":"Osamu Takano,&nbsp;Takashi Tsuji,&nbsp;Yasuhiro Yamada,&nbsp;Akira Ijiri,&nbsp;Tsuyoshi Ishikawa,&nbsp;Masafumi Murayama,&nbsp;Yasuo Kondo,&nbsp;Fumio Inagaki","doi":"10.1111/bre.70042","DOIUrl":"https://doi.org/10.1111/bre.70042","url":null,"abstract":"<p>This paper aims to discuss the transition process of the forearc basin setting along the Northeast Japan arc, based on the results of strontium isotope dating, resistivity image facies analysis, sequence stratigraphic and depositional system interpretation, and seismic facies mapping, mainly using the Site C0020 succession data of the Integrated Ocean Drilling Program (IODP) Expedition 337, off Shimokita Peninsula and surrounding seismic sections. The detailed correlations and strontium isotope ages constrain the geologic ages of Units II, III and IV of the Site C0020 succession as Eocene to Early Miocene. Cores and resistivity image logs show that Units II, III and IV consist of five facies associations, indicating bay, estuarine to fluvial, delta and muddy slope systems and eleven depositional sequences. Plot mapping of these facies associations and seismic facies indicates the drastic changes of the forearc basin setting through four tectonic phases from Eocene to Miocene. During Phase 1 (Eocene to Early Oligocene: Unit IV), the bay-to-estuarine system was dominant within a restricted forearc basin by a subaerially uplifted trench slope break. Phase 2 (Early to Late Oligocene: Unit III and the lowermost Unit II) was characterised by further uplift and erosion of the trench slope break, which formed three Oligocene unconformities: Ounc1, Ounc2 and Ounc3. During Phase 3 (Late Oligocene to Early Miocene: Unit II), a large-scale subsidence of the trench slope break started, possibly related to the onset of tectonic erosion of the subducting plate, and the forearc basin became an open-marine setting with a prograding delta system. After the formation of Miocene unconformity (Munc), Phase 4 (Middle Miocene-: Unit I) caused the cessation of the delta system, and the forearc basin became a muddy deep-water slope system, possibly resulting from the continent-derived sediment supply decrease due to the backarc opening of the Sea of Japan.</p>","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 4","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/bre.70042","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144537232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structurally Controlled Silica Precipitation Within Multi-Stage Fault Damage Zones During the Rifting of the Pannonian Basin 潘盆期裂陷多期断裂损伤带内构造控制的二氧化硅沉积
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-06-23 DOI: 10.1111/bre.70043
B. Beke, M. Fialowski, T. Müller, F. Schubert, R. Lukács, M. Guillong, Sz. Harangi, L. Fodor
{"title":"Structurally Controlled Silica Precipitation Within Multi-Stage Fault Damage Zones During the Rifting of the Pannonian Basin","authors":"B. Beke,&nbsp;M. Fialowski,&nbsp;T. Müller,&nbsp;F. Schubert,&nbsp;R. Lukács,&nbsp;M. Guillong,&nbsp;Sz. Harangi,&nbsp;L. Fodor","doi":"10.1111/bre.70043","DOIUrl":"https://doi.org/10.1111/bre.70043","url":null,"abstract":"<p>Development of brittle fracture zones as passages for fluid migration within the shallow crust results in substantial petrophysical and rheological changes that strongly influence deformation localisation, promoting reactivation at evolved inhomogeneities in the host rock. A natural example of multi-stage fault zone evolution with different generations of deformation elements and mode of silica cementation was investigated using combined structural, burial, micropetrographic, geochemical and geochronological analyses in a sandstone predating the main rifting phase. Deformation mechanisms progressively evolved from proto-cataclasis, through advanced cataclasis connected with inhomogeneous silica cementation, to siliceous fluid-enhanced slip along discrete fault planes or vein formation; all of these processes are well correlated with burial and volcanic phases. The established relationships allowed reconstruction of the evolutionary steps within the fault zones as the initially porous sediment was structurally and diagenetically hardened and then softened, and the geometry of the fault system changed during rifting. The age of silica-associated fracture systems (syn-tectonic silica cementation) is constrained by early type deformation bands (having the same pattern as silica-associated fractures) occurring in the ~15.3 Ma pyroclastic rocks bordering the sandstone. Silica precipitation can be related primarily to structurally controlled fluid pulses and rapid cooling as fluids pass through the propagating syn-rift fractures in an initially good siliciclastic aquifer. Such large-scale hydrothermal fluid migration, resulting in tens of km<sup>2</sup> siliceous cementation, was facilitated by the onset of volcanic activity. The accompanying general increase in fluid pressure may have led to the permutation of the maximum and the intermediate principal stress axes. As a result, the early syn-rift extension switched to a transtension during the main syn-rift phase. Meanwhile, vertical axis rotations also contributed to the change in the apparent stress field, resulting in the development of a fault pattern analogous to an oblique rift. The developed fault sets, with three characteristic orientations and frequent reactivation, may have formed in relation to an inherited structural weakness zone.</p>","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 3","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/bre.70043","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144339310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Source-to-Sink Signal Propagation in a Small, Coupled Catchment-Deep-Sea Fan System: The Sithas Example From the Corinth Rift (Pleistocene, Greece) 一个小型耦合集水区-深海扇系统的源-汇信号传播:来自希腊科林斯裂谷(更新世)的Sithas例子
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-06-21 DOI: 10.1111/bre.70044
N. Deiss, S. Rohais, V. Regard, J. J. Armitage, S. Carretier, S. Bonnet
{"title":"Source-to-Sink Signal Propagation in a Small, Coupled Catchment-Deep-Sea Fan System: The Sithas Example From the Corinth Rift (Pleistocene, Greece)","authors":"N. Deiss,&nbsp;S. Rohais,&nbsp;V. Regard,&nbsp;J. J. Armitage,&nbsp;S. Carretier,&nbsp;S. Bonnet","doi":"10.1111/bre.70044","DOIUrl":"https://doi.org/10.1111/bre.70044","url":null,"abstract":"<p>Quantifying sediment fluxes is an essential part of the Source-to-Sink approach in the understanding of sedimentary systems. However, the transfer of sediment from the source to the sink and the factors controlling it are still poorly understood. We focus on a small catchment coupled with its offshore deep-sea fan: the Sithas system (Gulf of Corinth, Greece). We restore the volume of sediment eroded in the catchment using geomorphic constraints; quantify the volume of sediment deposited in the offshore basin, after revising the age model; and calculate erosional fluxes using the BQART model. This allows for the comparison of the reconstructed fluxes of sediment eroded and deposited since 800 ka across the entire source-to-sink system. For the Sithas coupled catchment-deep-sea fan system, we show an increase in sedimentary fluxes both in erosion and deposition since 800 ka and particularly since 400 ka, where cyclic variations of ~120 kyr are recorded in erosion and deposition compartments. We suggest that the overall increase in flux results from a change in the catchment size due to the tectonic evolution of the region. The record of cyclic variations from 400 kyr in fluxes matches with the maturity of the system and with the intensification of glacial cycles and tectonic constraints migration. We also suggest that the discrepancy between erosion and deposition reflects a temporary storage between source and sink areas, probably along the coast. This has changed since 30 ka, introducing the last phase of evolution characterised by phased source and sink dynamics, suggesting a lack of temporary storage and a connection between river outlet and submarine canyon head. This study shows that sediment fluxes are controlled by the catchment's size as well as by climatic and tectonic factors and that even a small sedimentary system can be affected by temporary sediment storage.</p>","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 3","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/bre.70044","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144331928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Latest Cretaceous to Cenozoic Exhumation Patterns in the Northern Andes From the Sedimentary Provenance Record on the Broken Retro-Foreland Putumayo Basin 从破碎后前陆普图马约盆地沉积物源记录看北安第斯地区晚白垩世至新生代发掘模式
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-06-20 DOI: 10.1111/bre.70041
Giovanny Nova, Mauricio Parra, Agustín Cardona, Brian K. Horton, Victor A. Valencia, Andrés Mora, Cleber Soares
{"title":"Latest Cretaceous to Cenozoic Exhumation Patterns in the Northern Andes From the Sedimentary Provenance Record on the Broken Retro-Foreland Putumayo Basin","authors":"Giovanny Nova,&nbsp;Mauricio Parra,&nbsp;Agustín Cardona,&nbsp;Brian K. Horton,&nbsp;Victor A. Valencia,&nbsp;Andrés Mora,&nbsp;Cleber Soares","doi":"10.1111/bre.70041","DOIUrl":"https://doi.org/10.1111/bre.70041","url":null,"abstract":"<p>The topographic growth of the Eastern Cordillera in the northern Andes of Colombia is a critical event in the tectonic and paleogeographic evolution of the western Amazon Basin. Documentation of early orogenic growth is enabled through multi-proxy provenance signatures recorded in the adjacent retro-foreland basin. In broken foreland basins, basement highs interrupt the lateral continuity of facies belts and potentially mask provenance signals. The Putumayo Basin is a broken foreland basin in western Amazonia at ~1°–3° N, where the Florencia, Macarena, and El Melón-Vaupes basement highs have compartmentalised discrete depocentres during basin development. This study presents new evidence from stratigraphic, conglomerate clast count, sandstone petrography, detrital zircon U–Pb geochronology and novel apatite detrital U–Pb age trace element geochemistry analyses. The results show that the southern Eastern Cordillera (i.e., Garzon Massif) and Putumayo Basin basement highs were initially uplifted during the Late Cretaceous coeval with the Central Cordillera, most likely associated with the collision of the Caribbean Large Igneous Province (CLIP). Distinctive facies distributions and provenance changes characterise the Putumayo Basin over a ~300 km distance from south to north, in the Rumiyaco Formation and Neme Sandstone. Detrital zircon U–Pb ages record a sharp reversal from easterly derived Proterozoic to westerly sourced late Mesozoic–Cenozoic Andean zircons derived principally from the Central Cordillera. Provenance signatures of the synorogenic Eocene Pepino Formation demonstrate the continued exhumation of the Eastern Cordillera as a second-order source area. However, the emergence of the northern intraplate highs modulated the provenance signature due to the rapid unroofing of relatively thinner marine sedimentary cover strata that overlie the Putumayo basement, in comparison to the thicker sequences of the southern basin. The provenance data and facies distributions of the Oligocene–Miocene Orito Group were more heterogeneous due to strike-slip deformation, associated with major plate tectonic reorganisation as the Nazca Plate subducted under the South American margin.</p>","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 3","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/bre.70041","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144323537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Limited Effect of the Pearl River on the Pearl River Mouth Basin Before the Early Miocene 早中新世以前珠江对珠江口盆地的有限影响
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-06-18 DOI: 10.1111/bre.70045
Yichao Li, Chenglin Gong, Christophe Colin, Jocelyn Barbarand, Dongwei Li, Daoyao Ge
{"title":"Limited Effect of the Pearl River on the Pearl River Mouth Basin Before the Early Miocene","authors":"Yichao Li,&nbsp;Chenglin Gong,&nbsp;Christophe Colin,&nbsp;Jocelyn Barbarand,&nbsp;Dongwei Li,&nbsp;Daoyao Ge","doi":"10.1111/bre.70045","DOIUrl":"https://doi.org/10.1111/bre.70045","url":null,"abstract":"<div>\u0000 \u0000 <p>The Pearl River has received particular attention with respect to its links to the growth of the Tibetan Plateau and associated landscape evolution. However, controversy still surrounds the issues of when the present-day Pearl River became established, and how landscape deformation may have triggered the formation of the Pearl River. In this study, new and published zircon U–Pb ages from the late Oligocene Pearl River Mouth Basin (PRMB) and potential source areas are used to conduct a systematic provenance analysis with a view to reconstructing the drainage pattern in the South China Block. The results suggest that the PRMB was fed by multiple major sources during the late Oligocene, exhibiting significant spatial provenance variability. The paleo-Pearl River had a limited effect on the northern and southern PRMB during the late Oligocene, and there was an overlooked Yunkai Massif source which made a significant contribution to the western and southern PRMB. We infer that, compared to the early Miocene or the present day, a paleo-Nanduhe River with a larger catchment area flowed through the Yunkai Massif into the PRMB in the late Oligocene, and the paleo-Pearl River only drained the less extensive Cathaysia Block during this time. In the early Miocene, the westward expansion of the paleo-Pearl River and the capture of the upstream part of the paleo-Nanduhe River by the paleo-Pearl River, which are attributed to the growth of the Tibetan Plateau and the exhumation of the Yunkai Massif, respectively, resulted in the present-day Pearl River configuration with its dominant impact on the PRMB.</p>\u0000 </div>","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 3","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144308981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Reconciling Geologic and Paleotopographic Constraints on Source-to-Sink Sediment Fluxes: An Example From the Bartonian Pyrenees 调和源-汇沉积物通量的地质和古地形限制:以巴东期比利牛斯山为例
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-06-07 DOI: 10.1111/bre.70037
Xiang Yan, Alexander C. Whittaker, Benjamin Gréselle
{"title":"Reconciling Geologic and Paleotopographic Constraints on Source-to-Sink Sediment Fluxes: An Example From the Bartonian Pyrenees","authors":"Xiang Yan,&nbsp;Alexander C. Whittaker,&nbsp;Benjamin Gréselle","doi":"10.1111/bre.70037","DOIUrl":"https://doi.org/10.1111/bre.70037","url":null,"abstract":"<p>Estimations of source-to-sink sediment fluxes over geological timescales allow a better understanding of landscape sensitivity to forcings such as climate or tectonics. The Pyrenees Mountains represent an ideal location to test the accuracy of source-to-sink predictive methods, as the well-studied mountainous sources and sediment sinks, including the Aquitaine, Jaca, and Ebro basins, collectively serve as a reference for evaluating the accuracy of predictive approaches. This study uses a paleo-digital elevation model (pDEM) of Bartonian age (ca. 40 Ma) to reconstruct catchments for the Pyrenees. When coupled with published paleoclimatic constraints, the BQART equation is used to predict sediment fluxes into each sedimentary basin. Predicted sediment volumes are compared against volumes calculated from bedrock exhumation rates across the Pyrenees, and against published rock volumes preserved within Pyrenean sedimentary basins. Consistency between total sediment volumes predicted by the BQART model and for exhumation rates is within a factor of 1.5, and within a factor of 2 when sediment volumes are partitioned by sedimentary basin, indicating the pDEM is able to generate realistic, first-order estimates of sediment flux. An uncertainty analysis showed that the runoff category contributes the greatest uncertainty to the BQART equation, highlighting the requirement for paleoclimate and drainage constraints on this parameter. When BQART and exhumation-derived volumes are compared against preserved sediment volumes in the Aquitaine and Jaca Basins, sediments are undercounted by an order of magnitude. This is a result of the limited scope of volume quantification, as depocentres are defined by modern geography only, and from the postdepositional erosion of sediment in an active orogenic setting. Sediment volumes in the better-preserved Ebro Basin were predicted within a factor of 1.35 and 2.5. The results show that the pDEM-BQART method can appraise both the completeness of the sedimentary record within depocentres and successfully elucidate source-to-sink sediment routing within ancient orogens.</p>","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 3","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/bre.70037","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144232249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Late Cretaceous Tectonic Evolution of the Sorgenfrei–Tornquist Zone (STZ): Deposition and Palaeoceanographic Implications Based on Reflection Seismic Data Sorgenfrei-Tornquist带晚白垩世构造演化:基于反射地震资料的沉积与古海洋学意义
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-06-05 DOI: 10.1111/bre.70040
Yaocen Pan, Christian Hübscher, Elisabeth Seidel, Christopher Juhlin
{"title":"Late Cretaceous Tectonic Evolution of the Sorgenfrei–Tornquist Zone (STZ): Deposition and Palaeoceanographic Implications Based on Reflection Seismic Data","authors":"Yaocen Pan,&nbsp;Christian Hübscher,&nbsp;Elisabeth Seidel,&nbsp;Christopher Juhlin","doi":"10.1111/bre.70040","DOIUrl":"https://doi.org/10.1111/bre.70040","url":null,"abstract":"<p>We present a structural and depositional interpretation in the southeasternmost Sorgenfrei–Tornquist Zone (STZ), one of the most prominent Late Cretaceous compressional inversion structures in Northern Europe. Detailed stratigraphic analysis of seismic facies and well data shows that the spatial and temporal variability of gravitational deposits, contourite drifts, and moats in the marginal troughs are related to the polyphase inversion tectonic history and the associated palaeoceanographic changes. The Hanö Bay and Bornholm Basin contain a sand-rich mounded depositional feature proximal to the STZ. This unit is resolved with high vertical resolution in seismic data and represents a clear example of a siliciclastic-carbonate mixed depositional system, where deposition was controlled by the interplay between inversion events and eustatic sea-level changes. Following the progradational and aggradational deposition during an early inversion phase and tectonic quiescence, a notable back-stepping pattern is observed in the upper Santonian–lower Campanian. The increased accommodation space outpaced sediment infill during eustatic sea-level rise in the late Santonian. We interpret that the marginal trough subsided during multiple inversion pulses associated with elastic flexure in response to inversion tectonics. The comparison of sequence-stratigraphic indicators and the global (eustatic) sea-level curve allows for a refined reconstruction of the inversion history and points to a major uplift in the Santonian–Campanian. Further, we attribute a penecontemporaneous change in the depositional pattern, i.e., the erosional Campanian–Maastrichtian contourite moat system, to intensified bottom current activity related to significant global cooling, in conjunction with the palaeoceanographic modification induced by the inversion tectonics described in this study.</p>","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 3","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/bre.70040","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144214091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tectonic and Sedimentary Insights Into Transtensional Basins Along the Pacific-North American Plate Boundary in the Northern Gulf of California 加利福尼亚湾北部沿太平洋-北美板块边界的张拉盆地的构造和沉积特征
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-05-27 DOI: 10.1111/bre.70039
Mario González-Escobar, Cristian Alejandro Gallegos-Castillo, Sergio Manuel Arregui-Ojeda, Edgar Agustín Mastache-Román
{"title":"Tectonic and Sedimentary Insights Into Transtensional Basins Along the Pacific-North American Plate Boundary in the Northern Gulf of California","authors":"Mario González-Escobar,&nbsp;Cristian Alejandro Gallegos-Castillo,&nbsp;Sergio Manuel Arregui-Ojeda,&nbsp;Edgar Agustín Mastache-Román","doi":"10.1111/bre.70039","DOIUrl":"https://doi.org/10.1111/bre.70039","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 &lt;p&gt;In its northern sector, the Gulf of California presents intricate tectonic and sedimentary characteristics, offering insights into the region's geologic evolution. Based on two-dimensional seismic reflection profiles, we explore its structural style and sedimentary properties. Sedimentary thicknesses range from 7 km to over 10 km, heavily influenced by Colorado River sediments filling fault-bounded axial basins, including the Wagner, Consag, Upper Delfín, and Lower Delfín basins. The Wagner Basin comprises two asymmetric sub-basins trending NNE. A low-angle fault controls the northern sub-basin, which lacks bathymetric expression. In contrast, oblique faults influence the southern sub-basin, 12–15 km wide, as they merge into the Wagner Fault and transfer strain to the Cerro Prieto Transform Fault. Late Pliocene deformation is evident, with significant subsidence reflected in the top Pliocene horizon. Axial basins in the northern Gulf exhibit composite separation geometry with four north–south trending sub-basins linked by transform faults, including the Canal de Ballenas in the south and Cerro Prieto in the north. Strain transfer from the Canal de Ballenas fault produces a complex horsetail network, resulting in distributed transpressional deformation within the Upper and Lower Delfín basins. Active faults predominantly cut the seafloor west of the Tepoca Fault Zone, defining the modern rift's eastern boundary. Fault-bounded marginal basins, such as those on Tiburón Island and the adjacent Gulf coast of Sonora, expose late Miocene faulted non-marine deposits, indicating NE–SW extension and rift basin formation. Lower Pliocene marine deposits reveal marine incursions due to Pacific–North American plate movements. NE-trending normal and oblique faults govern the active depocentres in the Wagner, Consag, Upper Delfín, and Lower Delfín basins. In the Upper Delfín Basin, four to five asymmetric depocentres are evident, shaped by tectonic activity. The Lower Delfín Basin features a NE-trending symmetric rift parallel to the Ángel de la Guarda structural high, highlighting its tectonic alignment. The Tiburón Basin, characterised by a poorly defined acoustic basement, reveals substantial basin fill overlying the lower continental crust, indicating significant sedimentary accumulation. The Tiburón and De Mar faults control the NE-oriented asymmetric depocentres in the Tiburón Basin. Abandoned basins along the eastern margin, including Tiburón, Tepoca, Peñasco, and Altar, are separated from active basins by structural highs. Basement irregularities in the Delfín and Consag basins reflect remnants of hyper-extended continental crust, with intra-basin structural highs resembling boudins of lower continental crust. This study underscores the importance of tectonic and sedimentary processes in shaping the northern Gulf of California, highlighting the role of major faults in its geological and topographical evolution.&lt;/p&gt;\u0000 &lt;/","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 3","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144140805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Subsurface Geology of the Paraná-Etendeka Large Igneous Province: Implications to Province Stratigraphy and CO2 Storage Paraná-Etendeka大火成岩省地下地质:对省地层和CO2储存的启示
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-05-22 DOI: 10.1111/bre.70038
Lucas M. M. Rossetti, John M. Millett, Marcos M. M. Rossetti, Gabriel Medeiros Marins, Matheus S. Simões, Ben Manton, Isabela de Oliveira Carmo, Evandro F. de Lima
{"title":"Subsurface Geology of the Paraná-Etendeka Large Igneous Province: Implications to Province Stratigraphy and CO2 Storage","authors":"Lucas M. M. Rossetti,&nbsp;John M. Millett,&nbsp;Marcos M. M. Rossetti,&nbsp;Gabriel Medeiros Marins,&nbsp;Matheus S. Simões,&nbsp;Ben Manton,&nbsp;Isabela de Oliveira Carmo,&nbsp;Evandro F. de Lima","doi":"10.1111/bre.70038","DOIUrl":"https://doi.org/10.1111/bre.70038","url":null,"abstract":"<p>Volcanic reservoirs represent an important target for CO<sub>2</sub> storage and large-scale deployment. We accessed the volcanic stratigraphy of the Paraná-Etendeka Large Igneous Province (PELIP) in South America through the analysis of petrophysical data from 9 exploration wells and regional seismic data. This approach enables the development of a refined geological model of the subsurface, offering new insights into facies distribution and reservoir characteristics. Stratigraphically, the PELIP consists of two major volcanic sequences: an older low-Ti (LT) sequence in the southern region and a younger high-Ti (HT) sequence in the central-northern area. Seven distinct lava formations have been identified based on their architecture and geochemical signatures, with the Vale do Sol, Pitanga and Paranapanema formations accounting for over 80% of the stratigraphy. The province is formed by thick (c. 25 m) tabular lavas with well-developed vesicular and brecciated upper crusts and subordinately compound lavas and volcaniclastic/siliciclastic deposits. Petrophysical analyses reveal a strong correlation between rock facies and reservoir properties (i.e., porosity and permeability). Lava flow tops exhibit high porosities comprising c. 10%–40% of the total flow thickness and represent viable targets for CO<sub>2</sub> injection. In contrast, massive flow cores are low in porosity and may act as effective seals. The PELIP is geologically similar to other large igneous provinces currently hosting CCS (carbon capture and storage) projects (Carbfix, Iceland and Wallula, USA). The large volume of basaltic rocks, along with high porosity facies and reactive compositions, makes the Paraná-Etendeka LIP a potential target for CCS developments in South America.</p>","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 3","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/bre.70038","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geometric and Spatial Analysis of Wing-Like Intrusions as Outcrop Analogues for Subsurface Analysis 翼状侵入体作为地下分析的露头类似物的几何和空间分析
IF 2.8 2区 地球科学
Basin Research Pub Date : 2025-05-15 DOI: 10.1111/bre.70036
Robert J. Waltham, Gustavo Zvirtes, Brian S. Burnham, Andrew Hurst
{"title":"Geometric and Spatial Analysis of Wing-Like Intrusions as Outcrop Analogues for Subsurface Analysis","authors":"Robert J. Waltham,&nbsp;Gustavo Zvirtes,&nbsp;Brian S. Burnham,&nbsp;Andrew Hurst","doi":"10.1111/bre.70036","DOIUrl":"https://doi.org/10.1111/bre.70036","url":null,"abstract":"<p>Wing-like intrusions are some of the most prominent architectural elements identified within subsurface sand injectite complexes. These structures are composed of discordant inner wing zones and bedding-concordant outer wing zones, which can crosscut hundreds of metres of stratigraphy and extend laterally for several kilometres. Their large-scale geometry makes them discernible on seismic data; however, the inability to detect associated smaller intrusions can lead to underestimates of their significance within a basin. To support subsurface analysis, this study integrates field and digital mapping analyses of two wing complex outcrops from two giant injection complexes of the San Joaquin Basin. The Dosados Canyon wing, of the Panoche Giant Injection Complex (PGIC), features a single 14 m thick stepped inner intrusion that bifurcates into outer sills. The wing extends laterally over 1.5 km, crosscutting ca. 300 m of mudstones. Up to 64% of the sandstones are associated with sub-seismic intrusions (&lt; 3 m thickness). The Tumey Hill wing within the Tumey Giant Injection Complex (TGIC) intrudes vertically &gt; 200 m of mudstones and extends laterally for at least 1.3 km. It comprises laterally stacked inner intrusions (up to 12 m thick) transitioning to a highly connected outer sill zone. A total of 225 intrusions (0.15 m to 8 m thick) are identified within the composite wing structure, adding sand volume and providing excellent connectivity. Comparison with the Volund and Varadero fields within the North Sea reveals intrusions with similar scale and geometry, underscoring the value of the outcrops as analogues for characterisation of subsurface reservoirs and to aid the understanding of sand intrusion formation within different basin settings.</p>","PeriodicalId":8712,"journal":{"name":"Basin Research","volume":"37 3","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/bre.70036","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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