Tectonostratigraphic development of the Upper Triassic to Middle Jurassic in the Hoop Area, Barents Sea: Implications for understanding ultra-condensed reservoir units

Müller, Reidar; Klausen, Tore Grane; Line, Lina Hedvig; Hafeez, A.; Eide, Frøydis; Stueland, Eirik; Jahren, Jens; Rismyhr, Bjarte; Olaussen, Snorre

doi:10.1016/j.marpetgeo.2022.105787

Cited by 3 publications

(1 citation statement)

References 33 publications

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“…Variations in sedimentary thicknesses of a formation deposited across different structural elements coeval with orogeny suggests episodes of structural reactivation by far-field tectonics (e.g., Ettensohn et al, 2019). This interpretation aligns well with other studies, such as those of Faleide et al (2017), Müller et al (2019), Müller et al (2022), andGilmullina et al (2021).…”

Section: Evidence For Structural Reactivationsupporting

confidence: 88%

Using the tectophase conceptual model to assess late Triassic–Early Jurassic far-field tectonism across the South-central Barents Sea shelf

Martins,

Ettensohn,

Knutsen

2024

Front. Earth Sci.

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The Upper Triassic–Lower Jurassic succession of the Barents Sea Shelf (BSS) represents one of Europe’s most prolific and strategic petroleum systems. This succession reflects various depositional environments and tectonostratigraphic events. Even though these strata are considered largely well-understood, connections with far-field stresses triggered by regional tectonics remain a subject of investigation. This study presents new interpretations that focus on relationships between the stratigraphic succession across the south-central BSS and Triassic–Jurassic Novaya Zemlya compressional tectonics. By applying the “tectophase model,” developed in the Appalachian Basin, to analyze this succession, the presence of foreland-basin depozones and associated far-field processes related to compressional tectonics in an adjacent orogen are suggested. This model addresses unconformity development, lithostratigraphic succession, and reactivation of structures. Use of this model suggests far-field tectonostratigraphic responses during two episodes of Novaya Zemlya tectonism, reflected in the coeval BSS stratigraphy. Overall, this tectonostratigraphic study aligns with other research suggesting a Late Triassic inception for Novaya Zemlya compressional tectonism, which influenced larger parts of the BSS through extensive clastic sedimentation, far-field structural reactivation, and flexural responses to deformational loading triggered by tectonics.

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Section: Evidence For Structural Reactivationsupporting

confidence: 88%

Using the tectophase conceptual model to assess late Triassic–Early Jurassic far-field tectonism across the South-central Barents Sea shelf

Martins,

Ettensohn,

Knutsen

2024

Front. Earth Sci.

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What could form a 35-km lineament of carbonate mounds on the ocean floor?

Ramos

Schattner

Lobo

et al. 2023

Marine and Petroleum Geology

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West Barents Sheared Margin Composite Tectono-Sedimentary Element, Norwegian–Greenland Sea and Fram Strait

Faleide,

Wong,

Hassaan

et al. 2024

Memoirs

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The West Barents Shear Margin developed in response to breakup and initial opening of the NE Atlantic and links to the Arctic Eurasia Basin. It consists of three first-order segments: (1) a southern sheared margin segment bounding the deep SW Barents Sea basins; (2) a central rifted margin segment west of Bjørnøya; (3) a northern initially sheared margin segment that later was exposed to oblique extension west of Svalbard. The geometry of the margin included releasing as well as restraining bends that inflicted substantial impact on the deformation along the sheared margin. In light of the recent years' structural, stratigraphical and sedimentological investigations, the first-order three-fold subdivision of the Barents shear margin has been strengthened and expanded on. It is become even clearer that this subdivision reflects the margin geometry and the shifting farfield and local stress configurations. Prior to the final stages of rifting and breakup of the NE Atlantic in the Paleogene, the study area was part of a broad and extensive basin province comprising deep sedimentary basins. The line of breakup was cutting diagonal across the regional basin province so that different parts of it are now located in the mid-Norwegian margin, in the NE Greenland margin and in the SW Barents Sea. These areas share a long and complex history of multiple rift phases throughout Late Paleozoic and Mesozoic times, and information from these areas is integrated in the description of the West Barents Shear Margin Composite Tectono-Sedimentary Element. The marginal basins in the SW Barents Sea are the least explored area on the Norwegian continental shelf and sporadic exploration activity has had limited success. A petroleum potential still exist that will be elaborated in renewed upcoming activity.

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Tectonostratigraphic development of the Upper Triassic to Middle Jurassic in the Hoop Area, Barents Sea: Implications for understanding ultra-condensed reservoir units

Cited by 3 publications

References 33 publications

Using the tectophase conceptual model to assess late Triassic–Early Jurassic far-field tectonism across the South-central Barents Sea shelf

Using the tectophase conceptual model to assess late Triassic–Early Jurassic far-field tectonism across the South-central Barents Sea shelf

What could form a 35-km lineament of carbonate mounds on the ocean floor?

West Barents Sheared Margin Composite Tectono-Sedimentary Element, Norwegian–Greenland Sea and Fram Strait

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