Morphometric scaling of subsurface vent complexes: implications for a new classification scheme

Mituku, Shambel B.; Omosanya, Kamaldeen Olakunle

doi:10.1007/s00367-020-00661-9

Cited by 3 publications

(1 citation statement)

References 50 publications

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“…12 a,d). This type of geometries is common within reutilized HVCs as previously documented in the More and Vøring basins by 17 , 40 . Evidence for younger Holocene fluid plumbing is provided by a subvertical fluid-escape pipe between the Solsikke and SMA areas (Fig.…”

Section: Magmatic Sills Forced Folds and Fluid-flow Structures Associ...supporting

confidence: 64%

Giant paleo-seafloor craters and mass wasting associated with magma-induced uplift of the upper crust

Omosanya

Duffaut

Alves

et al. 2022

Sci Rep

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Giant seafloor craters are known along many a continental margin with recurrent mass-wasting deposits. However, the impact of breakup-related magmatism on the evolution of such craters is barely understood. Using high-quality geophysical datasets, this work examines the genetic relationship among the location of magmatic sills, forced folds and the formation of giant paleo-seafloor craters underneath an ancient mass-transport complex in the Møre and Vøring basins, offshore Norway. The data reveal that forced folding of near-seafloor strata occurred because of the intrusion of several interconnected magmatic sills. Estimates of 1-dimensional uplift based on well data show that uplift occurred due to the intrusion of magma in Upper Cretaceous to Lower Eocene strata. Our findings also prove that subsurface fluid plumbing associated with the magmatic sills was prolonged in time and led to the development of several vertical fluid flow conduits, some of which triggered mass wasting in Neogene to Recent times. The repeated vertical expulsion of subsurface fluids weakened the strata on the continental slope, thereby promoting mass wasting, the selective cannibalization of the paleo-seafloor, and the formation of elongated craters at the basal shear zone of the mass-transport complex. Significantly, the model presented here proves a close link between subsurface magmatic plumbing systems and mass wasting on continental margins.

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Section: Magmatic Sills Forced Folds and Fluid-flow Structures Associ...supporting

confidence: 64%

Giant paleo-seafloor craters and mass wasting associated with magma-induced uplift of the upper crust

Omosanya

Duffaut

Alves

et al. 2022

Sci Rep

Self Cite

View full text Add to dashboard Cite

show abstract

Seismic interpretation of the architecture, evolution and structural characteristics of paleo-diatremes and volcanoes in the Vigrid syncline, Norwegian North Sea

Omosanya

2021

Mar Geophys Res

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First evidence of (paleo)pockmarks in the Bass Strait, offshore SE Australia: A forced regression modulated shallow plumbing system

Niyazi

Eruteya

Maitituerdi

et al. 2022

Marine and Petroleum Geology

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Morphometric scaling of subsurface vent complexes: implications for a new classification scheme

Cited by 3 publications

References 50 publications

Giant paleo-seafloor craters and mass wasting associated with magma-induced uplift of the upper crust

Giant paleo-seafloor craters and mass wasting associated with magma-induced uplift of the upper crust

Seismic interpretation of the architecture, evolution and structural characteristics of paleo-diatremes and volcanoes in the Vigrid syncline, Norwegian North Sea

First evidence of (paleo)pockmarks in the Bass Strait, offshore SE Australia: A forced regression modulated shallow plumbing system

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