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Yeseul Kim, Min Huh and Eun Young Lee
Sedimentation impacts thermal and subsidence evolution in continental rifting. Estimating the blanketing effect of sediments is crucial to reconstructing the heat flow during rifting. The sedimentary load affects the basin subsidence rate. Numerical inve...
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Chaoyang Li, Pengyao Zhi, Renwei Ding, Lihong Zhao, Wei Gong, Zhonghua Li and Jiayu Ge
This study combines surface heat flow, multi-channel seismic reflection profiles, and ocean-bottom seismometer (OBS) profiles to determine the thermo-rheological structure of the Qiongdongnan Basin (QDNB) and Pearl River Mouth Basin (PRMB), with the aim ...
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Alexander L. Peace, Edward D. Dempsey, Christian Schiffer, J. Kim Welford, Ken J. W. McCaffrey, Jonathan Imber and Jordan J. J. Phethean
The onshore exposures adjacent to modern, offshore passive continental margins may preserve evidence of deformation from the pre-, syn-, and post-rift phases of continental breakup that allow us to investigate the processes associated with and controllin...
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Ricardo A. Astini,Federico Martina,Federico M. Davila
Pág. 245 - 267
In the northern part of the Argentine Precordillera, northwestern La Rioja, the Upper Paleozoic is over 4,000 m thick. Very coarse conglomerates from the basal section have not been described nor adequately interpreted. This work analyses this unit in th...
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Leandro D?Elia,Martin Muravchik,Juan R. Franzese,Luciano Lopez
Pág. 133 - 157
The initial syn-rift infill (Upper Triassic-Lower Jurassic) of the Neuquen Basin involved a complex stacking of lava, pyroclastic and sedimentary units, in which volcanic rocks compose up to 72% of the infill. The high-quality outcrops of the southern Sa...
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Anggie Susilawati, Mochtar Niode, Mamay Surmayadi, Prihandhanu Mukti Pratomo, Nurhasan, Enjang Jaenal Mustopa, Doddy Sutarno and Wahyu Srigutomo
Limboto Lake?Pentadio area is located in the province of Gorontalo on the northern arm of Sulawesi Island, Indonesia, which experienced a tectonic process from the Sula Platform collision in the mid-Miocene. This tectonic process led to the westward subd...
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Jarred C. Lloyd, Alan S. Collins, Morgan L. Blades, Sarah E. Gilbert and Kathryn J. Amos
Continental rifts have a significant role in supercontinent breakup and the development of sedimentary basins. The Australian Adelaide Superbasin is one of the largest and best-preserved rift systems that initiated during the breakup of Rodinia, yet subs...
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Malcolm D. J. MacDougall, Alexander Braun and Georgia Fotopoulos
The evolution of the passive margin off the coast of Eastern Canada has been characterized by a series of rifting episodes which caused widespread extension of the lithosphere and associated structural anomalies, some with the potential to be classified ...
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Luiz Gamboa, André Ferraz, Rui Baptista and Eugênio V. Santos Neto
Exploratory work for hydrocarbons along the southeastern Brazilian Margin discovered high concentrations of CO2 in several fields, setting scientific challenges to understand these accumulations. Despite significant progress in understanding the conseque...
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Shijie Liu, Shu Su, Yuan Cheng, Xiaohua Tong and Rongxing Li
Pine Island Glacier (PIG) is one of the largest contributors to sea level rise in Antarctica. Continuous thinning and frequent calving imply significant destabilization of Pine Island Glacier Ice Shelf (PIGIS). To understand the mechanism of its accelera...
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Michael A. Pointon, Helen Smyth, Jenny E. Omma, Andrew C. Morton, Simon Schneider, Peter Hülse, Stephen J. Rippington, Berta Lopez-Mir, Quentin G. Crowley, Ian Millar, Martin J. Whitehouse, Dirk Frei, Robert A. Scott and Michael J. Flowerdew
A multi-proxy provenance study of Late Carboniferous to Middle Jurassic sandstones from the eastern Sverdrup Basin was undertaken employing optical petrography and heavy mineral analysis, chemical analysis of apatite, garnet and rutile grains, as well as...
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Alvaro Rodrigo Iriarte,Umberto Giuseppe Cordani,Kei Sato
Pág. 403 - 441
The Cordillera Real granitoids are a suite of Triassic and Oligocene plutons in the core of the Eastern Cordillera of the Central Andes of Bolivia. Their tectonic setting, chemical and ore compositions make them part of the so-called ?Inner Magmatic Arc?...
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Cristian Rodrigo,Jenny M. Blamey,Oliver Huhn,Christine Provost
Pág. 344 - 356
The rifting zone of Bransfield Strait, Antarctica, is tectonically and geologically unique. It is a back-arc basin that was opened by extensional forces associated to roll-back subduction after cessation of spreading activity of the Phoenix Ridge, and th...
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Encarnación Puga, Antonio Díaz de Federico, Mark Fanning, José Miguel Nieto, José Ángel Rodríguez Martínez-Conde, Miguel Ángel Díaz Puga, José Antonio Lozano, Gianluca Bianchini, Claudio Natali and Luigi Beccaluva
The Betic Ophiolites consist of numerous tectonic slices, metric to kilometric in size, of eclogitized mafic and ultramafic rocks associated to oceanic metasediments, deriving from the Betic oceanic domain. The outcrop of these ophiolites is aligned alon...
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Leandro D?Elia,Martin Muravchik,Juan R. Franzese,Andres Bilmes
Pág. 106 - 132
The Neuquen Basin constitutes one of the most conspicuous features of the Andean margin of Gondwana during Mesozoic times. The initial syn-rift infill (Late Triassic-Early Jurassic) of this ensialic extensional basin involved a profuse magmatic activity ...
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Mauricio Calderon,Francisco Herve,Umberto Cordani,Hans-Joachim Massonne
Pág. 249 - 276
A Late Jurassic seafloor remnant of the Rocas Verdes basin in southern Chile, the Sarmiento Complex {ca. 52°S), bears lithological layers with bimodal meta-igneous rocks appropriate for a comprehensive investigation of magma genesis in part of a lateral ...
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Fernando J. Gomez,Ricardo A. Astini
Pág. 19 - 46
The La Laja Formation is a key unit regarding the hypothesis of the Argentine Precordillera as a Laurentia-derived allochtonous terrane in the south central Andes. Together with the Cerro Totora Formation it comprises the oldest unit exposed at the base ...
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Abdek Hassan Aden
At the center of the Republic of Djibouti, an eroded rift called Asal is located where tectonic and magmatic activities can be observed at the surface. Multiple studies were carried out with different exploration methods, such as structural, geophysical ...
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Gustavo Gonzalez Bonorino,Felix Gonzalez Bonorino
Pág. 97 - 107
Las rocas igneas y sedimentarias del Proterozoico superior a Silurico, y sus equivalentes metamorficos, aflorantes en el oeste de Argentina y en el este de Chile entre 28° y 34°S, son aqui interpretadas como representantes de un margen continental de tip...
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Ricardo Varela,Luis Dalla Salda,Carlos Cingolani,Veronica Gomez
Pág. 147 - 163
RESUMEN. Se presenta un estudio del basamento cristalino integrado por las Metamorfitas Cushamen, los Granitoides Mamil Choique y una serie granitica postectonica, representantes de un ciclo mayor tecto-termico que evoluciono entre el Paleozoico Inferior...
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