Cretaceous Stratigraphy of the North Viking Graben

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Transcript Cretaceous Stratigraphy of the North Viking Graben

Age (in m.y.)
(not to scale)
Stage
Series
Cretaceous Stratigraphy of the North Viking Graben
Jorsalfare Formation
Maastrichtian
70.6
D
La eep
Ju tes er
ra t C os
ss r io
ic/ eta n i
Tr ce n G
ia o
ss us ull
fa
ic
se on ks
di mi are
m d- a
en
ts
Campanian
Upper
85.8
Coniacian
89.3
Shetland Group
83.5
Santonian
Sands from the
“Gullfaks High”
(Krans Formation)
Kyrre Formation
sandy limestones
and sands
(Macbeth Formation)
Tryggvason Formation
Turonian
93.5
Blodoks Formation
Cenomanian
Svarte Formation
anoxic event
Sands (Agat Equivalent)
99.6
Albian
112.0
Hauterivian
Cromer Knoll Group
130.0
136.4
Basin floor fans
Major Regression
Foot wall
High
non
Deposition
or
Erosion
Fischschiefer
(Munk Marl.
equivalent)
?
submarine apron
fringe sands
140.2
143.5
Potential for basin floor
fans and mudstones
?
Valanginian
Ryazanian
Pelagic drape.
Submarine depositional
centers filled. Subdued
anoxic event seafloor topography
Aasgard Formation
?
Basal limestone
Member (V1 unit)
Humber Group
Lower
Barremian
Basin floor fans
Sola Formation
Base of
slope fans
Aptian
125.0
Sands (Agat Equivalent)
Rodby Formation
? Basin floor fans
Hanging wall scarp fans / conglomerats breccias adjacent to fault scarp
Relative tectonic quiescence.
Failure of North Sea rifting phase.
Development of a
“Steers Head Profile”.
Pelagic drape onto the
fault block topography