Browsing Bergen Open Research Archive by Author "Gawthorpe, Rob"
Now showing items 1-20 of 23
-
3-D seismic images of an extensive igneous sill in the lower crust
Wrona, Thilo; Magee, Craig; Fossen, Haakon; Gawthorpe, Rob; Bell, Rebecca E.; Jackson, Christopher Aiden Lee; Faleide, Jan Inge (Peer reviewed; Journal article, 2019-05-31)When continents rift, magmatism can produce large volumes of melt that migrate upwards from deep below the Earth’s surface. To understand how magmatism impacts rifting, it is critical to understand how much melt is generated ... -
Axial and transverse deep‐water sediment supply to syn‐rift fault terraces: Insights from the West Xylokastro Fault Block, Gulf of Corinth, Greece
Cullen, Timothy M; Collier, Richard E.L.I.; Gawthorpe, Rob; Hodgson, David M.; Barrett, Bonita J (Peer reviewed; Journal article, 2019)Deep‐water syn‐rift systems develop in partially‐ or transiently‐linked depocentres to form complicated depositional architectures, which are characterised by short transport distances, coarse grain sizes and a wide range ... -
Building up or out? Disparate sequence architectures along an active rift margin-Corinth rift, Greece
Gawthorpe, Rob; Andrews, Julian E.; Collier, Richard E.L.I.; Ford, Mary; Henstra, Gijs Allard; Kranis, Haralambos; Leeder, Mike R.; Muravchik, Martin; Skourtsos, Emmanuel (Peer reviewed; Journal article, 2017-12)Early Pleistocene synrift deltas developed along the southern Corinth rift margin were deposited in a single, dominantly lacustrine depocenter and were subject to the same climate-related base-level and sediment supply ... -
Coupled stalagmite - Alluvial fan response to the 8.2ka event and early Holocene palaeoclimate change in Greece
Peckover, EN; Andrews, JE; Leeder, Mike Robert; Rowe, PJ; Marca, Alina; Sahy, Diana; Noble, Stephen R.; Gawthorpe, Rob (Peer reviewed; Journal article, 2019)We explore the expression of early Holocene climatic change in the terrestrial Mediterranean of southern Greece. A regional palaeoclimate record from stable isotope and trace element geochemical proxies in an early Holocene ... -
Deep-water sediment transport patterns and basin floortopography in early rift basins: Plio-Pleistocene syn-rift of theCorinth Rift, Greece
Muravchik, Martin; Henstra, Gijs Allard; Eliassen, Gauti; Gawthorpe, Rob; Leeder, MR; Kranis, H; Skourtsos, E; Andrews, J. (Peer reviewed; Journal article, 2019)Our current understanding on sedimentary deep‐water environments is mainly built of information obtained from tectonic settings such as passive margins and foreland basins. More observations from extensional settings are ... -
The distribution of rivers to terrestrial sinks: Implications for sediment routing systems
Burr Nyberg, Bjørn; Gawthorpe, Rob; Helland-Hansen, William (Peer reviewed; Journal article, 2018-09)Empirical observations used to constrain controls on large global modern river systems typically use catchment delineations depicting drainage patterns of rivers to oceans. A key component in the spatial and temporal ... -
Drainage integration and sediment dispersal in active continental rifts: A numerical modelling study of the central Italian Apennines
Cowie, Patience; Duclaux, Guillaume; Gawthorpe, Rob; Huismans, Ritske; Pedersen, Vivi; Wedmore, Luke; Geurts, Anneleen H. (Journal article; Peer reviewed, 2018)Progressive integration of drainage networks during active crustal extension is observed in continental areas around the globe. This phenomenon is often explained in terms of headward erosion, controlled by the distance ... -
From Caledonian collapse to North Sea Rift: The extended history of a metamorphic core complex
Wiest, Johannes; Wrona, Thilo; Bauck, Marit Stokke; Fossen, Haakon; Gawthorpe, Rob; Osmundsen, Per Terje; Faleide, Jan Inge (Journal article; Peer reviewed, 2020)Extensional systems evolve through different stages due to changes in the rheological state of the lithosphere. It is crucial to distinguish ductile structures formed before and during rifting, as both cases have important ... -
High-resolution record revealsclimate-driven environmental andsedimentary changes in an active rift
McNeill, Lisa C.; Shillington, D.J; Carter, Gareth; Everest, J.D.; Gawthorpe, Rob; Miller, C; Phillips, M.P.; Collier, Richard E.L.I.; Le Ber, E; Cvetkoska, A; De Gelder, G; Diz, P; Doan, M-L; Ford, Mary; Geraga, M; Gillespie, J; Hemelsdael, Romain; Herrero-Bervera, Emilio; Ismaiel, M; Janikian, L; Kouli, K.; Machlus, M.L; Maffione, Marco; Mahoney, C; Michas, G; Nixon, Casey William; Oflaz, S.A.; Omale, A.P.; Panagiotopoulos, K; Pechlivanidou, Sofia; Sauer, Simone; Seguin, Joana; Zakharova, N.V.; Green, S (Peer reviewed; Journal article, 2019-02-28)Young rifts are shaped by combined tectonic and surface processes and climate, yet few records exist to evaluate the interplay of these processes over an extended period of early rift-basin development. Here, we present ... -
Impact of normal faulting and pre-rift salt tectonics on the structural style of salt-influenced rifts: the Late Jurassic Norwegian Central Graben, North Sea
Ge, Zhiyuan; Gawthorpe, Rob; Rotevatn, Atle; Thomas, Michel Bøgh (Peer reviewed; Journal article, 2017-10)Studies of salt‐influenced rift basins have focused on individual or basin‐scale fault system and/or salt‐related structure. In contrast, the large‐scale rift structure, namely rift segments and rift accommodation zones ... -
The Impact of Pre‐Salt Rift Topography on Salt Tectonics: A Discrete‐Element Modeling Approach
M Pichel, Leonardo; Finch, Emma; Gawthorpe, Rob (Peer reviewed; Journal article, 2019)Gravity‐driven salt tectonics along passive margins is commonly depicted as comprising domains of updip extension and downdip contraction linked by an intermediate, broadly undeformed zone of translation. This study expands ... -
The influence of structural inheritance and multiphase extension on rift development, the northern North Sea
Phillips, Thomas B.; Fazlikhani, Hamed; Gawthorpe, Rob; Fossen, Haakon; Jackson, Christopher Aiden Lee; Bell, Rebecca E.; Faleide, Jan Inge; Rotevatn, Atle (Peer reviewed; Journal article, 2019-11-08)The northern North Sea rift evolved through multiple rift phases within a highly heterogeneous crystalline basement. The geometry and evolution of syn‐rift depocenters during this multiphase evolution and the mechanisms ... -
Minibasin depocentre migration during diachronous salt welding, offshore Angola
Ge, Zhiyuan; Gawthorpe, Rob; Rotevatn, Atle; Zijerveld, Leo; Jackson, Christopher; Oluboyo, Ayodeji P. (Peer reviewed; Journal article, 2019)Salt tectonics is an important part of the geological evolution of many continental margins, yet the four‐dimensional evolution of the minibasins, the fundamental building block of these and many other salt basins, remains ... -
Overprinting translational domains in passive margin salt basins: insights from analogue modelling
Ge, Zhiyuan; Rosenau, Matthias; Warsitzka, Michael; Gawthorpe, Rob (Peer reviewed; Journal article, 2019-08-02)Current models of gravitational tectonics on the structural styles of salt-influenced passive margins typically depict domains of upslope extension and corresponding downslope contraction separated by a mid-slope domain ... -
Pre-existing intra-basement shear zones on the development of non-colinear rift fault network, Utsira High – Heimdal Terrace, North Sea
Osagiede, Edoseghe Edwin; Rotevatn, Atle; Gawthorpe, Rob; Kristensen, Thomas Berg; Jackson, Christopher; Marsh, Nicola (Peer reviewed; Journal article, 2020)Pre-existing intra-basement shear zones can induce mechanical and rheological heterogeneities that may influence rifting and the overall geometry of rift-related normal faults. However, the extent to which physical and ... -
Progressive tilting of salt-bearing continental margins controls thin-skinned deformation
Ge, Zhiyuan; Rosenau, Matthias; Warsitzka, Michael; Gawthorpe, Rob (Peer reviewed; Journal article, 2019)As a primary driving force, margin tilting is crucial for gravity-driven thin-skinned salt tectonics. We investigated how instant versus progressive margin tilting mechanisms influence salt tectonics using an analogue ... -
The role of structural inheritance in the development of high-displacement crustal faults in the necking domain of rifted margins: The Klakk Fault Complex, Frøya High, offshore mid-Norway
Munoz Barrera, Jhon Meyer; Rotevatn, Atle; Gawthorpe, Rob; Henstra, Gijs Allard; Kristensen, Thomas Berg (Journal article; Peer reviewed, 2020-08-20)The role of inherited structures during the development of normal faults in continental rifts and proximal domains of passive margins have been extensively studied. Few studies, however, have a focus on deciphering the ... -
Seismic expression of shear zones: Insights from 2-D point-spread-function based convolution modelling
Wrona, Thilo; Fossen, Haakon; Lecomte, Isabelle; Eide, Christian Haug; Gawthorpe, Rob (Journal article; Peer reviewed, 2020)Shear zones are common strain localization structures in the middle and lower crust and play a major role during orogeny, transcurrent movements and rifting alike. Our understanding of crustal deformation depends on our ... -
Strain migration during multiphase extension, Stord Basin, northern North Sea rift
Fazlikhani, Hamed; Aagotnes, Synne; Refvem, Marte; Hamilton-Wright, James; Bell, Rebecca E.; Fossen, Haakon; Gawthorpe, Rob; Jackson, Christopher A.-L.; Rotevatn, Atle (Journal article; Peer reviewed, 2021)In regions experiencing multiple phases of extension, rift‐related strain can vary along and across the basin during and between each phase, and the location of maximum extension can differ between the rift phase. Despite ... -
Structural architecture and composition of crystalline basement offshore west Norway
Lenhart, Antje; Jackson, Christopher AL; Bell, Rebecca E.; Duffy, Oliver B.; Gawthorpe, Rob; Fossen, Haakon (Peer reviewed; Journal article, 2019-02-05)Numerous studies have investigated the geodynamic history and lithological composition of the Proterozoic basement, Caledonian nappes, and Devonian extensional basins and shear zones onshore west Norway. However, the ...