Includes index. Book.
0000 - Gale Group | The Making of Modern World
Emily S. Martin, T. R. Watters,
... the mare basalts resulted in lithospheric flexure and graben forming extension. We use high-resolution topographic and ... fault displacement-length (D/L) scaling observations for graben bounding normal faults. Specifically, we focus on the Dmax/L relations of graben within three geologic settings: lunar highlands, mare, and ... population scaling factor γ for the measured lunar graben is 4.5 × 10−3 (n = 50), falling ... scatter in the Dmax/L data for mare graben (γ = 4.9 × 10–3,n = 25) is significantly higher than that for graben in highlands (γ = 6.3 × 10−3, n = ...
Tópico(s): Astro and Planetary Science
2022 - Elsevier BV | Icarus
Geological Society
Lieut. L. David, G. Pizzighelli, C. Schiendl,
... Bezirk, Kirchberggasse Nr. 4, Abtheilung Für Kunst 31 Graben Wien Graben 31 Hält Stets Eine Reiche Auswahl Von Werken ...
1887 - Gale Group | NCCO Photography
Produção Nacional
Revisado por pares
Magda Estrela Oliveira, Afonso Gomes, Filipe Rosas, João C. Duarte, George Sand França, Jaime Almeida, Reinhardt A. Fuck,
... the early stages of continental rift, two main grabens are often formed in the upper crust. This double graben structural pattern is typically short-lived, only briefly ... process that causes the early nucleation of these grabens is still not fully understood. We hence carry ... weak-seeds) in the early rift nucleation of grabens, while simultaneously assuming different rheological configurations for the extending continental crust. Our results show that double graben structural patterns are generally favoured by crustal rheological ...
Tópico(s): Geology and Paleoclimatology Research
2022 - Elsevier BV | Tectonophysics
... Sommaire. Essay: Le Plateau Du Tanganika Et Le - Graben - Du Lac Rikwa, Autour Du Tchad, Chronique Geographique ...
1899 - Gale Group | NCCO EuropeAfrica
Xingqiang Chen, Shuwen Dong, Wei Shi, Andrew V. Zuza, Zhenhong Li, Peng Chen, Jin Liu, Jianmin Hu, Bao‐Fu Han,
... the formation of the Cenozoic Weihe and Shanxi grabens in North China was induced by the Indo– ... requires precise knowledge of the timing of the graben formation. In this study, we used high-resolution ... m thick syn-rift section conjoining the two grabens spanned from ~54.3 to ~3 Ma. The ... with field observations, indicate the following: the Weihe Graben underwent four rifting stages that started at ~54.3 Ma, whereas the Shanxi Graben opened at ~7 Ma. The synchronous timing between ... the Cenozoic extension across the Weihe and Shanxi grabens was coupled with left-slip faulting bounded at ...
Tópico(s): Geological and Geochemical Analysis
2021 - Elsevier BV | Tectonophysics
... Les Retenues Du Tanganika, Du Moero Et Du Graben De L'upemba, Chronique Geographique Generalites, Un Siècle ...
1921 - Gale Group | NCCO EuropeAfrica
Melanie B. Callihan, Christian Klimczak,
Graben, defined as landforms produced by normal faulting, have long been recognized on the Moon, but their ... have not been studied systematically. The topography across graben and its along-strike variations reveal details about the growth of the normal faults forming the graben. Individual normal faults grow in length by the ... offsets and then calculated the displacement for lunar graben using data from the camera and laser altimeter ... Lunar Reconnaissance Orbiter. Our study systematically investigated 14 graben systems across the lunar surface. Graben lengths were ...
Tópico(s): Geology and Paleoclimatology Research
2019 - Geological Society of America | Lithosphere
A. J. Wauters, R. P. Butaye, H. Ketels,
... Au Kwango Wombali, Chronique Géographique Europe, Le Grand « Graben » Du Tanganika Et Du Nil Supérieur, Nouvelles Et ...
1904 - Gale Group | NCCO EuropeAfrica
Hailemariam Meaza, Amaury Frankl, Biadgilgn Demissie, Jean Poesen, Amanuel Zenebe, Girmay Gebresamuel, Tesfaalem Ghebreyohannes Asfaha, Sofie Annys, Veerle Van Eetvelde, Miró Jacob, Jozef Deckers, Dirk Raes, Jan Nyssen,
... Raya (3507 km2) and Ashenge (80.5 km2) grabens. The rainfall depth, river discharge, abstraction, climate and ... hydrological insights: the average annual rainfall of the graben's escarpment and its bottom was 806 ± 162 ... in the rivers that flow into the Raya graben. Moreover, greater runoff and river discharges volumes were recorded at the graben escarpments than at the graben bottom outlets (p < 0.001) due to the ... 98). About 24% of the water entering both graben bottoms comes from the runoff from the adjacent ...
Tópico(s): Irrigation Practices and Water Management
2019 - Elsevier BV | Journal of Hydrology Regional Studies
A. Baldacci, Dr. Th. Arldt, Dr. F. Tetzner,
... Slawen Von Molise, Die Geographische Lage Der Abyssischen Gräben, Die Selenka-Expedition Nach Trinil, Kleine Nachrichten Abdruck ...
1908 - Gale Group | NCCO-STM 1of2
Simon Müller, Jashar Arfai, Fabian Jähne‐Klingberg, Frithjof Bense, Philipp Weniger,
... source rocks for hydrocarbons in the southern Central Graben area. Within the Dutch Central Graben, the Lower Jurassic Posidonia Shale Formation is the ... Formation plays this role in the Danish Central Graben. Oil and gas discoveries in the Norwegian, Dutch and Danish part of the Central Graben proved a prolific petroleum system. Despite limited success ... exploration in the German part of the Central Graben, various indications suggest migration of gas out of ... location of the bright spots above the Jurassic graben system, the occurrence of gas chimneys underneath these ...
Tópico(s): Geological Studies and Exploration
2019 - Elsevier BV | Marine and Petroleum Geology
... Le Péril Jaune, La Région Volcanique Du Grand Graben Africain, La Législation Minière De L'état Indépendant ...
1904 - Gale Group | NCCO EuropeAfrica
Nora Koltzer, Magdalena Scheck‐Wenderoth, Mauro Cacace, Maximilian Frick, Judith Bott,
... the regional groundwater flow in the Upper Rhine Graben. The modeling is based on an existing detailed ... D structural model covering the whole Upper Rhine Graben from the surface down to 14 km of ... can be summarized as follows: does the deep graben flow follow the topographic gradient and the flow ... to the northernmost area of the Upper Rhine Graben? Our results demonstrate the presence of a regional ... flow in the sedimentary rocks aligning from the graben flanks towards its center and in the southern half of the graben from south to north. The graben-parallel flow ...
Tópico(s): Karst Systems and Hydrogeology
2019 - Copernicus Publications | Advances in geosciences
Chrystel Dezayes, Cathérine Lerouge,
... in the tectonic environment of the Upper Rhine graben. The goal is to increase our understanding of ... Mesozoic formations and the Hercynian basement on the graben flanks and inside the graben do not have the same evolution after uplift, our study includes 20 outcrops on both graben flanks and cores of the Soultz-sous-Forêts geothermal wells located inside the graben. The Hercynian granitic basement and Permo-Triassic formations ... phases associated with fluid circulation pulses related to graben formation during the Tertiary. We distinguished at least ...
Tópico(s): Hydrocarbon exploration and reservoir analysis
2019 - Hindawi Publishing Corporation | Geofluids
Hongling Deng, Hemin Koyi, Jinjiang Zhang,
... run to investigate oblique inversion of pre-existing grabens when overprinted by later shortening and the effect of these grabens on development of contractional structures. Obliquity angle ( α ) defining the initial trend of pre-existing grabens relative to the shortening direction, was systematically changed ... models. Model results show that existence of multi-grabens enhances lateral discontinuity of overprinted thrusts in map ... longer lateral ramps developed sub-parallel to the graben trends. The pre-existing grabens were apparently rotated ...
Tópico(s): Aeolian processes and effects
2019 - Geological Society of London | Geological Society London Special Publications
Nesrine Frifita, Kevin Mickus, Fouad Zargouni,
... forces have formed a series of northwest-trending grabens whose origins are partially controlled by geologic structures ... In order to aid in determining how these grabens were formed, a detailed gravity analysis was conducted ... anticlinal structures and minima related to sediment-filled grabens. To better define the structure of the basins, ... dimensional (3D) gravity models were constructed, where the grabens were found to be approximately 3–5 km ... area but only in the vicinity of the grabens. In particular, the Kef Basin region was found ...
Tópico(s): Geological formations and processes
2018 - Elsevier BV | Journal of African Earth Sciences
W.M. Kissling, Pilar Villamor, Susan Ellis, Andrew Rae,
... geothermal activity on the margins of the Ngakuru graben and evidence of fossil hydrothermal activity in the central graben suggest that a graben-wide system of permeable intersecting faults acts as ... scale 2-D cross-section of the Ngakuru Graben. The models incorporate simplified representations of two ‘end- ... the surface locations and dips of the Ngakuru graben faults. The models are used to explore controls ... source with respect to the faults in the graben. In particular, fault intersections at depth allow exchange ...
Tópico(s): Geological and Geophysical Studies
2018 - Elsevier BV | Journal of Volcanology and Geothermal Research
David G. Lowe, R. W. C. Arnott, Jeffrey R. Chiarenzelli, R H Rainbird,
... zircon provenance signatures of the Potsdam Group, Ottawa graben David G. Lowe; David G. Lowe † 1Department of ... zircon provenance signatures of the Potsdam Group, Ottawa graben. GSA Bulletin 2018;; 130 (7-8): 1377–1396. ... SocietyGSA Bulletin Search Advanced Search Abstract The Ottawa graben is a Neoproterozoic intracratonic rift in northeastern North ... rifting and reactivation of the passive-margin Ottawa graben. Early to middle Cambrian rifting (ca. 515–505 ... zircon grains suggests extensive opening of the Ottawa graben along the modern Ottawa River Valley, which provided ...
Tópico(s): Geochemistry and Geologic Mapping
2018 - Geological Society of America | Geological Society of America Bulletin
Koen Van Noten, Savaş Topal, Mehmet Oruç Baykara, Mehmet Özkul, Hannes Claes, Cihan Aratman, Rudy Swennen,
... margin of the Denizli Basin and neighbouring Baklan Graben (SW Turkey). This travertine precipitated from cooling carbonate- ... From the Denizli basin floor to the uplifted graben shoulders, fault orientation is dominantly WNW-ESE oriented ... extensional-transtensional phase initiated the WNW-ESE oriented, graben-facing normal fault network. In the Middle Pleistocene, ... along the SW margin fault of the Baklan Graben. After strike-slip reactivation, a Late Pleistocene-to- ... of the DGHS. As different tectonic regimes affect graben intersections, reservoir analogues can have a complex deformation ...
Tópico(s): earthquake and tectonic studies
2018 - Elsevier BV | Journal of Structural Geology
Maki Hata, Makoto Uyeshima, Yoshikazu Tanaka, Takeshi Hashimoto, Naoto Oshiman, Ryokei Yoshimura,
Abstract The Beppu–Shimabara graben, a tectonically active region comprising a N–S extensional stress field, is characterized by volcanically and seismically active regions in ... the three‐dimensional electrical resistivity structure of the graben by inverting network‐magnetotelluric data. Our resistivity structure model indicates that the crust beneath the graben is a discontinuous electrically conductive belt that contains ... significant conductive anomalies. The four anomalies in the graben are located from the east to west as ...
Tópico(s): earthquake and tectonic studies
2018 - Wiley | Journal of Geophysical Research Solid Earth
Zelalem Demissie, Kevin Mickus, David Bridges, Mohamed G. Abdelsalam, Estella A. Atekwana,
... image the upper lithospheric structure beneath the Dobi graben and surroundings. This graben is located in the East Central Block (ECB) ... the styles of crustal extension beneath the Dobi graben. We used two-dimensional (2D) radially-averaged power ... model for the upper lithosphere beneath the Dobi graben and surroundings. We found the crust to be thinner beneath the Dobi graben reaching a thickness of only ∼23 km. We ... zone on the southwestern side of the Dobi graben and beneath a narrow (∼2 km wide) graben ...
Tópico(s): High-pressure geophysics and materials
2018 - Elsevier BV | Journal of African Earth Sciences
Chengchuan Gu, Guang Zhu, Shuai Zhang, Cheng Liu, Yunjian Li, Shaoze Lin, Wei Wang,
The NE-trending Yilan–Yitong Graben (YYG) occurs along the Yilan–Yitong Fault Zone in the northern segment of the Tan-Lu Fault Zone, northeastern China. It ... southwest, the YYG is composed of the Tangyuan Graben bounded by one main fault, and the Fangzheng, Shulan, and Yitong grabens bounded by two main faults. The graben boundary faults strike NE–SW, whereas the graben interiors are dominated by E–W normal faults. The graben architectures and depocenters were controlled mainly by the ...
Tópico(s): Hydrocarbon exploration and reservoir analysis
2017 - Elsevier BV | Journal of Asian Earth Sciences
Agustín Martín Izard, D. Arias, Mónica Arias, Pablo Gumiel, David J. Sanderson, César Castañón Fernández, Javier Sánchez,
... Northern sector, which is mostly located in Spain, graben basins and local pull-aparts are the main ... Central sector, both in Spain and Portugal, half-graben basins are the most common structures, and the ... sector, which is only located in Portugal, a graben basin with a pull-apart is again the ... Strunian in age (VSC0). The deposits located in graben basin with a pull-apart are essentially felsic ... black shales. By contrast, those located in half-graben basins are mainly hosted by black-shales with ... episodes, from transtension (with the development of both graben with pull-aparts and half-graben basins), through ...
Tópico(s): earthquake and tectonic studies
2016 - Elsevier BV | Ore Geology Reviews
... and its intersection with the WNW striking Bodensee Graben near the Alpine thrust front of the Central ... the Swiss-Austrian-German border region. This conjugated graben system straddles the boundary between the Alps and its foreland and allows comparing the kinematics of graben formation between the two different tectonic domains. Our data show sinistral transtension along the Alpenrhein Graben and dextral transtension along the Bodensee Graben. Both transtensional graben systems resulted from the same ...
Tópico(s): earthquake and tectonic studies
2016 - Wiley | Tectonics
Andrew Katumwehe, Mohamed G. Abdelsalam, Estella A. Atekwana,
... largely amagmatic Miocene–Recent aged Albertine and Rhino grabens in Uganda. These grabens represent the northern segment of the Western Branch ... African Rift System (EARS). The two NE-trending grabens are connected by a right-stepping transfer zone ... 1) The NE-extent of the Albertine full-graben is controlled by NE-trending Precambrian fabric and the graben terminates at its northeastern end when it encounters ... grain. Additionally, the northeastern termination of the Albertine graben coincides with the presence of NW-trending right- ...
Tópico(s): Geological formations and processes
2015 - Elsevier BV | Tectonophysics
Ásta Rut Hjartardóttir, Páll Einarsson, M. T. Guđmundsson, Þórdís Högnadóttir,
... volcano, as well as a propagating earthquake swarm, graben subsidence, and fissure eruptions in the fissure swarm. ... major lava-producing eruption. The fractures delineate two graben structures in direct continuation of each other. Here we show the extent and depth of the grabens and maps of fractures and eruptive fissures that ... Vatnajökull glacier during the dike intrusion. The active graben subsidence was identified 3 days after seismicity reached ... 700–1000 m wide and 5 km long graben visible from the northern edge of the Vatnajökull ...
Tópico(s): Geological and Geochemical Analysis
2015 - Elsevier BV | Journal of Volcanology and Geothermal Research
Dieter Franke, Wilfried Jokat, S. Ladage, Harald Stollhofen, Jennifer Klimke, Rüdiger Lutz, Estevão Stefane Mahanjane, A. Ehrhardt, Bernd Schreckenberger,
... than 150 km long, N-S striking symmetric graben initiated as half-graben in the late Miocene. Extension accelerated in the ... a continuous conjugate border fault and symmetric rift graben. Coevally, the rift started to propagate southward, which ... in a present-day ~30 km wide half-graben, approximately 200 km farther south. Since the Pleistocene, ... plane solutions of five earthquakes in the Kerimbas Graben and four at the southern Davie Ridge all ... 19 km and ~40 km in the Kerimbas Graben and at ~19 km at 18°S, offshore ...
Tópico(s): earthquake and tectonic studies
2015 - Wiley | Tectonics