The Ormen Lange turbidite systems: sedimentary architectures and sequence structure of sandy slope fans in a sediment-starved basin - From Depositional Systems to Sedimentary Successions on the Norwegian Continental Margin - page 623

(A)

Peripheral To
Marginal Fan/Lobe

Central Fan/
Proximal to
Central Lobe

Channel-to-Lobe transition/
Braided Fan

Lower slope to inner basin-
floor channelised
fan & MTC's

Abrupt lateral
onlap

Fan/Lobe
Fringe

Feathered lateral
onlap

Channel fills

Braided
mid-fan

Mid-fan
channel-
overbank area

Channelised/
scoured terminal
lobes and splays

Basinplain
(background)

Gently scoured
terminal sheets

(B) Lower slope to inner basin-

floor channelised
fan & MTC's

Abrupt lateral
onlap

Inner fan

Feathered lateral
onlap

Braided
mid-fan

Middle fan

Mid-fan
channel-
overbank area

Outer fan

Channelised/
scoured terminal
lobes and splays

Gently scoured
terminal sheets

(C)

Tu rbiditic & some hemipelagic

Hemipelagic & contouritic
Hemipelagic, contouritic & turbiditic
Turbiditic, hemipelagic & contouritic

Canyon/slope to
fan transition

Proximal,
inner or
upper fan

Mid or central fan

Distal, outer
or lower fan

Terminal or
margina fan

Fig. 7. (A) Idealised downfan partitioning of the sandy fan sub-environments and facies associations (See Table 3), with
idealised facies motifs from the various sub-environments/facies associations. (B) Inferred fan sub-environments based on
Ormen Lange cores and analogue datasets; and (C) mudstone partitioning inferred for a sandy slope fan based on the Ormen
Lange core dataset.