The Sveconorwegian orogeny

Bingen, Bernard; Viola, Giulio; Möller, Charlotte; Auwera, Jacqueline Vander; Laurent, Antonin; Yi, Keewook

doi:10.1016/j.gr.2020.10.014

Cited by 63 publications

(24 citation statements)

References 363 publications

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“…2). From gravimetric and aeromagnetic data, the Frøya High displays a very strong positive anomaly, comparable to the intrusive granites of the Transscandinavian Igneous Belt, a zone of batholiths of Paleoproterozoic age (1.8-1.65 Ga) that were later deformed by the Sveconorwegian Orogeny (Bingen et al 2008). However, U-Pb zircon dating and the petrology of basement found in wells (e.g.…”

Section: Basement Composition and Implications For Fracture Developmentmentioning

confidence: 91%

Fractured basement play development on the UK and Norwegian rifted margins

Trice¹,

Hiorth

Holdsworth

2019

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Fractured crystalline basement reservoirs (basement) on the UK Continental Shelf (UKCS) and the Norwegian Continental Shelf (NCS) have been underexplored. Over the last 12 years, Hurricane Energy has deliberately set out to explore basement potential by exploring and appraising the Rona Ridge, West of Shetland; and the Rona Ridge Lancaster Field is now being progressed towards being the first UK basement field development. The Norwegian basement play is also recognized as a potentially material resource through serendipitous oil discoveries, with the 16/1-15 well, drilled in 2011, being the first successful full-scale basement test on the NCS. Building on this success, the 2018 Rolvsnes appraisal well (16/1-28 S) has demonstrated the significant basement potential of the extensive Utsira High and confirmed the materiality of a Norwegian basement play. The Rona Ridge and Utsira basement discoveries are used as a comparison with two other, yet to be evaluated, prospective basement plays on the NCS, with the objective of establishing technical subject areas where future UKCS and NCS collaboration would aid in accelerating understanding of the UKCS-NCS basement play.

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Section: Basement Composition and Implications For Fracture Developmentmentioning

confidence: 91%

Fractured basement play development on the UK and Norwegian rifted margins

Trice¹,

Hiorth

Holdsworth

2019

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“…As EEC was amalgamated to Rodinia supercontinent, during collision with Amazonia, its western margin was involved in the Sveconorwegian-Grenvillian orogeny (1.15-0.9 Ga) (Bingen et al, 2020;Cawood and Pisarevsky, 2017;Li et al, 2008;Torsvik et al, 1996). The Ediacaran-Cambrian Iapetus Ocean opened at 570 Ma by the separation of Baltica, Laurentia and Amazonia.…”

Section: East European Craton (Baltica) and Avaloniamentioning

confidence: 99%

Cenozoic mountain building and topographic evolution in Western Europe: impact of billions of years of lithosphere evolution and plate kinematics

Mouthereau¹,

Angrand²,

Jourdon³

et al. 2021

BSGF - Earth Sci. Bull.

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The architecture and nature of the continental lithosphere result from billions of years of tectonic and magmatic evolution. Continental deformation over broad regions form collisional orogens which evolution is controlled by the interactions between properties inherited from hits long-lasting evolution and plate kinematics. The analysis of present-day kinematic patterns and geophysical imaging of lithosphere structure can provide clues on these interactions. However how these interactions are connected through time and space to control topographic evolution in collision zones is unknown. Here we explore the case of the Cenozoic mountain building and topographic evolution of Western Europe. We first review the tectono-magmatic evolution of the lithosphere of Europe based on the exploitation of geological, geochronological and geochemical constraints from ophiolites, mafic rocks and xenoliths data. Combined with the analyses of low-temperature thermochronological and plate kinematic constraints we discuss the key controlling parameters of the topography. We show that among the required ingredients is the primary effect of plume-, rift- and subduction-related metasomatic events on lithosphere composition. Those main events occurred during the Neoproterozoic (750-500 Ma) and the late Carboniferous-Permian (310-270 Ma). They resulted in the thinning and weakening of the sub-continental lithospheric mantle of Europe. Contrasting lithosphere strengths and plate-mantle coupling in Western Europe with respect to the cratonic lithosphere of West Africa Craton and Baltica is the first-order parameter that explain the observed strain and stress patterns. Subsequent magmatic and thinning episodes, including those evidenced by the opening of the early Jurassic Alpine Tethys and the CAMP event, followed by late Jurassic and early Cretaceous crustal thinning, prevented thermal relaxation of the lithosphere and allowed further weakening of the European lithosphere. The spatial and temporal evolution of topographic growth resolved by the episodes of increased exhumation show two main periods of mountain building. During the late Cretaceous-early Cenozoic (80-50 Ma) contractional deformation was distributed from North Africa to Europe, but the topographic response to the onset of Africa-Eurasia convergence is detected only in central Europe. The lack of rapid exhumation signal in southern Europe and north Africa reveal that the initial continental accretion in these regions was accommodated under water in domains characterized by thin continental or oceanic crust. The second phase of orogenic uplift period starts at about 50 Ma between the High Atlas and the Pyrenees. This second key period reflects the time delay required for the wider rift systems positioned between Africa and Europe to close, likely promoted by the acceleration of convergence. Tectonic regime then became extensional in northern Europe as West European Rift (WER) opened. This event heralds the opening of the Western Mediterranean between Adria and Iberia at ca. 35 Ma. While mature orogenic systems developed over Iberia at this time, the eastern domain around northern Adria (Alps) was still to be fully closed. This kinematic and mechanical conditions triggered the initiation of backarc extension, slab retreat and delamination in the absence of strong slab pull forces. From about 20 Ma, the high temperature in the shallow asthenosphere and magmatism trapped in the mantle lithosphere contributed to topographic uplift. The first period (80-20 Ma) reveals spatially variable onset of uplift in Europe that are arguably controlled by inherited crustal architecture, superimposed on the effect of large-scale lithospheric properties. The second period marks a profound dynamic change, as sub-lithospheric processes became the main drivers. The channelized mantle flow from beneath Morocco to Central Europe builds the most recent topography. In this study, we have resolved when, where and how inheritance at lithospheric and crustal levels rule mountain building processes. More studies focus on the tectonic-magmatic evolution of the continental lithosphere are needed. We argue that when they are combined with plate reconstructions and thermochronological constraints the relative impact of inheritance and plate convergence on the orogenic evolution can be resolved.

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“…Fitzsimmons, 2000), there is broad consensus that this period of collisional orogenies led to formation of the supercontinent Rodinia by c. 950 Ma (Li et al, 1999;Evans et al, 2016;Merdith et al, 2017a). The type Grenvillian (NE Canada;Rivers, 2008), the Sveconorwegian (Scandinavia; Bingen et al, 2021), the Sunsas (South America; Teixeira et al, 2010), the Natal-Namaqua (Africa; Cornell et al, 2006) and the Albany-Fraser (Australia; Spaggiari et al, 2015) orogenic belts all display similar records of high-grade metamorphism and magmatism between c. 1200-1000 Ma (see also Cawood and Pisarevsky, 2017). Defining a chronostratigraphy on the basis of high-grade metamorphic events is problematic, but an interim arbitrary duration of c. 1200 to 1000 Ma (Figs 1a & 1c) encompasses the main orogenic events across the "Grenvillian" belts and corresponds with a prominent spike in the detrital zircon record (Fig 2).…”

Section: Mesoproterozoic Era (C 18 To 10 Ga)mentioning

confidence: 99%

A template for an improved rock-based subdivision of the pre-Cryogenian timescale

Shields

Strachan

Porter

et al. 2021

JGS

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The geological time scale before 720 Ma uses rounded absolute ages rather than specific events recorded in rocks to subdivide time. This has led increasingly to mismatches between subdivisions and the features for which they were named. Here we review the formal processes that led to the current time scale, outline rock-based concepts that could be used to subdivide pre-Cryogenian time and propose revisions. An appraisal of the Precambrian rock record confirms that purely chronostratigraphic subdivision would require only modest deviation from current chronometric boundaries, removal of which could be expedited by establishing event-based concepts and provisional, approximate ages for eon-, era- and period-level subdivisions. Our review leads to the following conclusions: 1) the current informal four-fold Archean subdivision should be simplified to a tripartite scheme, pending more detailed analysis, and 2) an improved rock-based Proterozoic Eon might comprise a Paleoproterozoic Era with three periods (early Paleoproterozoic or Skourian, Rhyacian, Orosirian), Mesoproterozoic Era with four periods (Statherian, Calymmian, Ectasian, Stenian) and a Neoproterozoic Era with four periods (pre-Tonian or Kleisian, Tonian, Cryogenian and Ediacaran). These proposals stem from a wide community and could be used to guide future development of the pre-Cryogenian timescale by international bodies.

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The Sveconorwegian orogeny

Cited by 63 publications

References 363 publications

Fractured basement play development on the UK and Norwegian rifted margins

Fractured basement play development on the UK and Norwegian rifted margins

Cenozoic mountain building and topographic evolution in Western Europe: impact of billions of years of lithosphere evolution and plate kinematics

A template for an improved rock-based subdivision of the pre-Cryogenian timescale

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