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6610/3-16610/2-1 S
6610/7-16610/7-2
6609/11-1
6510/2-1
6506/12-4 6507/12-1
6407/9-2 6407/9-16407/9-5
34/2-434/4-6
34/4-734/8-3 A34/8-1
34/7-1
16/1-224/12-1
15/9-13 15/9-A-2315/12-3
35/11-1
6704/12-GB1
6607/5-1 6609/5-1
6508/5-1
68°
67°
66°
65°
64°
63°
4° 5° 6° 7° 8° 9° 10° 11° 12° 13° 14° 15° 16° 17°
4° 5° 6° 7° 8° 9° 10° 11° 13°12°
Wells referred to in the textWells investigated in the present studyIKU’s shallow cores from 1982
Sedimentary input
1 m2-150151-200201-300301-500
Isopach map of the Molo Formation (new,Upper Miocene-Lower Pliocene)
Møre
Røst
Lofoten
NO
RD
LA
ND
RI
DG
E
100 km
68°
66°
64°
5° 10°15°
5° 10°15°
66°
OD0605003
6610/3-16610/2-1 S
6610/7-1
6610/7-2
6609/11-1
6510/2-1
6506/12-46507/12-1
6407/9-26407/9-16407/9-5
6704/12-GB1
6607/5-1 6609/5-1
6508/5-1
Fig 4b Fig 4a
Fig 2
Fig 6 Fig 9
Fig 5
T R Ø N D E L A G
P L A T F O R M
UTGARD HIGH
TRÆNA BASINVESTFJO
RDENNAGLFAR
DOME
VEMA
DOME
V Ø R I N G
B A S I NB
AS
IN
HALTEN
HE
LL
AN
D H
AN
SE
N A
RC
H
TERRACE
NYK
HIGH
NÅGRIND SYNCLIN
E
Top
ba
se
men
t subc
rou
p
Bas
e C
reta
ceou
s su
bcro
up
NORD
LAND
RIDGE
Fig. 1
Naust T
Naust N Molo Formation
BryggeFormation
5 km
100
ms
Upper Brygge Formation
OD 0604004/1
Fig. 2
OD 0408002
Ma0
5
10
15
OLI
GO
CEN
E
BR
YGG
E FO
RM
ATI
ON
BR
YGG
E FO
RM
ATI
ON
Hia
tus
do
wn
to L
ow
er -
Mid
. Eo
cen
e
Hia
tus
do
wn
to L
ow
er -
Mid
dle
Eo
cen
e
Hia
tus
do
wn
to L
ow
er -
Mid
dle
Eo
cen
e
Hia
tus
do
wn
to L
ow
er -
Mid
dle
Eo
cen
e
KA
I FO
RM
ATI
ON
DRAUGEN FIELDLi
tost
rati
-g
rap
hic
un
its
Lito
stra
ti-
gra
ph
icu
nit
s
Lito
stra
ti-
gra
ph
icu
nit
s
Lito
stra
ti-
gra
ph
icu
nit
s
6407/9-5 6407/9-124/12-1 34/8-3A 6407/9-2 6507/12-1 6506/12-46609/11-1 6508/5-1 6609/5-1 6607/5-1 6704/12-GB1C
hro
no
-st
rati
gra
ph
y(B
erg
gre
net
al.
1995
)
HOLOCENEAND PLEI-STOCENE
TRØNDELAG PLATFORM NORDLAND RIDGE
NORWEGIAN SEA CONTINENTAL SHELFNORTH SEATRØNDELAGPLATFORM
SOUTHERNVIKING
GRABEN
NORTHERNNORTH SEA
VISUNDFIELD
HALTENTERRACE
UTGARDHIGH
GJALLARRIDGE
VØRINGPLATEAU
MO
LO F
ORM
ATIO
N(N
EW)
NAUST FORM.NORDL. GR.NORD-LAND
GROUP
NO
RD
ALA
ND
GR
OU
PSK
AD
EFO
RM
ATI
ON
UTS
IRA
FO
RM
ATI
ON
HO
RD
ALA
ND
GR
OU
P
UTS
IRA
FO
RM
ATI
ON
HO
RD
ALA
ND
GR
OU
PNAUST FORM.
MIO
CEN
EPL
IOC
ENE
LATE
EARL
YLA
TEM
IDD
LEEA
RLY
LATE
EAR
LY
20
25
30
33
Sediment presentHiatusNot sampled or analysed
Colour key
Fig. 3
Molo Fm
Brygge Fm
Naust N
Naust T
6407/9-1
MSTWT
OD 0604004/2
Fig. 4a
Fig. 4bOD 0604004/5
Naust T
Naust N
Molo Fm
Upper Brygge Fm
OD 0604004/4
Fig. 5
Naust Fm Molo Fm
Brygge Fm
tare and tang fms
Kai Fm
6507/12-16507/11-1
OD 0604004/3Fig. 6
OD 0509012Fig. 7
6610/3-16610/2-1 S
6610/7-16610/7-2
6609/11-1
6510/2-1
6506/12-4 6507/12-1
6407/9-2 6407/9-16407/9-5
34/2-434/4-6
34/4-734/8-3 A34/8-1
34/7-1
16/1-224/12-1
25/10-2
15/9-13 15/9-A-2315/12-3
35/11-1
6704/12-GB1
6607/5-1 6609/5-1
6508/5-1
Wells referred to in the textWells investigated in the present studyIKU’s shallow cores from 1982Extent of the Utsira Formation (Upper Miocene - Lower Pliocene)
Sedimentary input
1 m2-150151-200201-300301-500
Isopach map of the Molo Formation (new,Upper Miocene-Lower Pliocene)
OD 0407001
Upper Miocene and Lower Pliocene sandy deposits3°
69°
68°
67°
66°
65°
64°
63°
62°
61°
60°
59°
58°
68°
67°
66°
65°
64°
63°
62°
61°
60°
59°
58°
2° 1° 0° 1° 2° 3° 4° 5° 6° 7° 8° 9° 10° 11° 12° 13° 14° 15° 16° 17°
1° 0° 1° 2° 3° 4° 5° 6° 7° 8° 9° 10° 11° 12°
ShetlandSogne-fjorden
Møre
Røst
Lofoten
Fig. 8
Naust T
Fig. 9 OD 0606001
Naust ANaust N
Kai Fm
Brygge Fm
Molo Fm
tang & tare fms
Shetland Gp (Cretaceous)
0
0
0.5
1
1.5
2
2.5S TWT
10 20 30 40 km
BOLBO-FORMA
PLANKT.FORAM.
N. P
ACHY
-DE
RMA
(S.)
N. PACHYD. (D.)N. ATLANT. (D.)
N. ATLAN-TICA (S.)
LOWERN. ATLAN-TICA (D)
N.ACOSTA-
ENSISN. MAYERI
B. METZ-MACHERIB. LAEVIS
B. FRA-GORIB. COMPR.
B. BADEN-ENSIS
CALCAREOUSMICROFOSSILSSITE 642+643
B. RETICU-LATA
(FAD
) N. A
COST
AENS
IS(L
AD) N
. ACO
STAE
NSIS
2000 4000 6000No. IRD/g sed
no data
SITE 644/642
0
2
4
6
10
12
14
8
16
18
20
22
24
26
28
30
32
34
NORTH SEA
Well 6407/9-1
VØRING PLATEAU
Trøndelag Platform
(BASED ON FADs)
(Spiegler & Jansen 1989,Müller & Spiegler 1993)
(Sea floor = 263 mRKB)
(BASED ON LADs)
(King 1989)
(Ma)
PLIO
CENE UP
PER
UPPE
RLO
WER
PLEISTO-CENE
SERIES/SUB-
SERIES
MIDD
LEMI
OCEN
ELO
WER
OLIG
OCEN
EUP
PER
LOW
ER
8a
6b
7a
7b
6b9a
9b 7
8
99c 8b
10
8c
910
11 10
111112
1314a 12c
12b12a
14b 13a
1215a15b
15c 13b
1415d16a
16b15
16x
NSP
L S BA PA DZ
Well 6407/9-2(Sea floor = 272 mRKB)
L
L = Lithostratigraphic units S = Series / subseries BA = Benthic foraminferal assemblages PA = Planktonic foraminiferal or fossil assemblages DZ = Dinoflaggellate zonesmRKB = Depth in meters below the rig floor
S BA PA DZ
Well 6407/9-5(Sea floor = 319 mRKB)
Nau
st F
orm
atio
n
Nau
st F
orm
atio
n
Nau
st F
orm
atio
nM
olo
Form
atio
n (n
ew)
Bry
gge
Form
atio
nLo
wer
Olig
ocen
e
Dito
m sp
. 3as
sem
blage
Und
efin
ed
Und
efin
ed
Und
efin
ed
Und
e-fin
ed
Low
er P
lioce
neU
pper
Plio
cene
Mol
o Fo
rmat
ion
(new
)B
rygg
e Fo
rmat
ion
Low
er O
ligoc
ene
Rot
alia
tina
bule
moi
des
asse
mbl
age
Upp
er P
lioce
ne
Not
ana
lyse
d
Elp
hidi
ella
han
nai a
ssem
blag
e
Elp
hidi
ella
han
nai
asse
mbl
age
Und
efin
ed
Und
efin
ed
Not
ana
lyse
d
Glo
bige
rina
bullo
ides
ass
embl
age
Low
erP
lioce
neUp
per M
iocen
e -Lo
wer P
lioce
ne
Upp
er P
lioce
ne
Und
efin
edU
nde-
fined
Und
e-fin
ed
Unde-fined
Ret
icul
atos
phae
raac
tinoc
oron
ata
Zone
Neo
glob
oqua
drin
a at
lant
ica
(sin
istr
al) a
ssem
blag
e
T. guin-quelobaG. bul-loides
Elp
hidi
ella
han
nai
asse
mbl
age
Mol
o Fo
rmat
ion
(new
)B
rygg
e Fo
rmat
ion
Low
er P
lioce
neU
pper
Mio
cene
Low
erM
ioce
neG
lobo
cass
idul
ina
subg
lobo
saas
sem
blag
eU
ndef
ined
Are
olig
era
sem
i-cu
rucu
lata
Zon
e
Rot
alia
tina
bulim
oide
s as
sem
.
Und
efin
ed
Low
er O
ligoc
ene
Epon
ides
pyg
-m
eus a
ssem
blage
Mon
spel
iens
ina
pseu
dote
pida
ass
embl
age
Bol
bofo
rma
met
zmac
heri
ass
embl
age
E. p
ygm
eus
-S
. bul
loid
esas
sem
blag
e
Epon
ides
pygm
eus
asse
mblag
e
Retic
ulat
o-sp
haer
a ac
ti-no
coro
nata
Zon
e
Ach
omos
phae
rasp
. 1 a
ssem
blag
e Zo
ne
G. s
olda
nii
gira
rdan
aas
sem
blag
e
Mon
spel
iens
ina
pseu
dote
pida
asse
mbl
age
Aer
olig
era
sem
icirc
u-la
ta Z
one
Sva
rbar
del-
la c
ooks
o-ni
al Z
one
Ach
omos
phae
ra s
p. 1
Ass
embl
age
ZoneNeo
glob
oqua
drin
a at
lan-
tica
(sin
.) as
sem
blag
e
Turr
ilina
alsa
tica
asse
mbl
age
N. atlan.(sinistral)assembl.
S. com-pressa
Diatom.sp. ass
Alaba.scitula
Svalb.cook-sonial
Dia
tom
sp. 4
ass
embl
.A
chom
osph
aera
sp. 1
Ass
embl
age
Zone
Cord
osph
aca
ntha
rd-
Zone
L S BA PA DZ
NSB NSA
OD 0407002
0
This vertical scale (in Ma) differs from that of the three wells which have meters.
610 m
620630640650660670680690700710720730740750760770780790800810820830840850860870880890900910920930940950960970980990
1000
Log
Log
G. sol-danii
mamil
A. semi-cireu-lata Z.
Fig. 10
Trøndelag Platform
N o r w e g i a n S e a c o n t i n e n t a l s h e l f
Well 6407/9-5(Sea floor = 319 mRKB)
L S PAB
rygg
eFo
rmat
ion
Low
erO
ligoc
ene
Nau
stFo
rmat
ion
Low
erP
lioce
neU
pper
Plio
cene
Mol
o Fo
rmat
ion
Unde
fined
Bolb
ofor
ma
met
z -
mac
heri
asse
mbl
.
Neo
glob
oqua
drin
aat
lant
ica
(sin
istr
al)
asse
mbl
age
UpperMiocene
G. Bulloi.T. quin-queloba
LowerMiocene
Diatomsp. 4 ass.
Log
m620640660680700720740760780800820840860
Halten Terrace
Well 6507/12-1(Sea floor = 250 mRKB)
L S PA
Bry
gge
Form
atio
nLo
wer
Mio
cene
Naus
tFo
r-m
atio
nK
ai F
orm
atio
n
Diat
omsp
. 3as
sem
bl.
Diatom
sp. 4
-Di
atom
sp. 5
asse
mbl
.N
. atla
nti-
ca (
sin.
)as
sem
blag
e
Glo
b.bu
llo.
ass.
Unde-fined
Upp
erM
ioce
neUp
per M
ioc.
-Lo
wer P
lio.
Upp.
Plio.
LowerOligo-cene
UpperOligoc.
B. baden.-B. retic.
B. subf. -B. frago.assembl.
Lowe
rN.
atl.
(dex
.)as
s.
MiddleMioc.Log
Log
m13001320134013601380140014201440146014801500
156015801600
15201540
480
m
500520
440460
540560580600620640660680700720740760780800820840860880900920940960980
100010201040106010801100112011401160118012001220
Well 25/10-2(Sea floor = 111,6 mRKB)
L S PA
? ??
?
Nor
dlan
dG
roup
Nor
d-la
ndG
roup
Bol
bofo
rma
frag
ori
asse
mbl
age
Glo
boro
talia
punc
ticul
ata
asse
mbl
age
Neo
glob
oqud
.at
lant
ica
(sin
)as
sem
blag
e
Bolb
o.m
etz-
mach
eri
Loweroligoc.
Bol
bofo
rma
bade
nen.
-B
. ret
icul
.as
sem
blag
e
Glo
bige
rina
bullo
ides
asse
mbl
.
Lower Neogl.atlantica (dex.) assembl.
Neogloboquadrinapachyderma (dex.) assembl.
Upp
erP
lioce
neM
iddl
eM
ioce
neLo
wer
Plio
cene
Uts
ira F
orm
atio
nS
kade
For
mat
ion
Low
er M
ioce
ne
Glo
boro
talia
zea
land
ica
asse
mbl
age
Hor
dala
nd G
roup
Upp
er M
ioce
neU
pper
Olig
ocen
eD
iato
m s
p. 3
asse
mbl
age
Dia
tom
sp.
4as
sem
blag
e
Bolbof.laevis assembl.
N. pach.(dex.) assembl.
Nordland Ridge
Well 6508/5-1(Sea floor = 435 mRKB)
L S PA
Naus
tFo
r-m
atio
nBr
ygge
For-
mat
ion
Kai
For
mat
ion
Upp
er P
lioce
neLo
wer
Mid
dle
Eoce
neG
lobi
gerin
abu
lloid
esas
sem
blag
e
Neo
glob
o.at
lant
ica
(sin
.) as
s.Uppe
r Mioc
ene -
Lowe
r Plio
cene
Up
per
Plioc
ene
Log
m11201140116011801200122012401260128013001320
13801400
13401360
N. pachyderma(sin.) assemblage
L = Lithostratigraphic units S = Series / subseries PA = Planktonic foraminiferal or fossil assemblagesmRKB = Depth in meters below the rig floor
Bolb
of.
met
zma-
cher
i ass
.B.
frag
ori -
subf
rago
rias
semb
lages
Ceno
spha
-er
a sp
.as
semb
l.
Fig. 11
THIS VERTICAL SCALE (In Ma)DIFFERS FROM THAT OF THEFOUR WELLS (DEPT IN mRKB)
Southern Viking Graben
North Sea
V Ø R I N G P L A T E A U
BOLBO-FORMA
PLANKTICFORAMS
N. PACHY-DERMA (S.)
N. PACHYD. (D.)N. ATLANT. (D.)
N. ATLAN-TICA (S.)
LOWERN. ATLAN-TICA (D)
N. ACOSTA-ENSIS
N. MAYERI
B. METZ-MACHERI
B. LAEVIS
B. FRA-GORI
B. COMPR.
B. BADEN-ENSIS
CALCAREOUSMICROFOSSILS
ODP SITE 642+643
B. RETICU-LATA
(FAD
) N. A
COST
AENS
IS(L
AD) N
. ACO
STAE
NSIS
OD 0603015MI
OCEN
EMI
DDLE
UPPE
RLO
WER
UPPE
RPL
IOCE
NEPL
EIST
O-CE
NE
0 2000 4000 6000No. IRD/g sed
no data
ODP SITE 644/642
0
2
4
6
8
10
12
14
Age (
Ma)
BOLBO-FORMA
PLANKT.FORAM.
N. P
ACHY
-DE
RMA
(S.)
N. PACHYD. (D.)N. ATLANT. (D.)
N. ATLAN-TICA (S.)
LOWERN. ATLAN-TICA (D)
N.ACOSTA-
ENSIS
N. MAYERI
B. METZ-MACHERIB. LAEVIS
B. FRA-GORI
B. COMPR.
B. BADEN-ENSIS
CALCAREOUSMICROFOSSILSSITE 642+643
B. RETICU-LATA
(FAD
) N. A
COST
AENS
IS(L
AD) N
. ACO
STAE
NSIS
2000 4000 6000No. IRD/g sed
no data
SITE 644/642
0
2
4
6
10
12
14
8
16
18
20
22
24
26
28
30
32
34
NORTH SEA
VØRING PLATEAU
(BASED ON FADs)
(Spiegler & Jansen 1989,Müller & Spiegler 1993)
(BASED ON LADs)
(King 1989)
(Ma)
PLIO
CENE UP
PER
UPPE
RLO
WER
PLEISTO-CENE
SERIES/SUB-
SERIES
MIDD
LEMI
OCEN
ELO
WER
OLIG
OCEN
EUP
PER
LOW
ER
8a
6b
7a
7b
6b9a
9b 7
8
99c 8b
10
8c
910
11 10
111112
1314a 12c
12b12a
14b 13a
1215a15b
15c 13b
1415d16a
16b15
16x
NSP NSB NSA
OD 0603001
0
This vertical scale (in Ma) differs from that of the four wells which have mRKB.
Well 6609/11-1
Nordland Ridge
Norwegian Seacontinental shelf
Trøndelag Platform
Norwegian Seacontinental shelf
(Sea floor = 263 mRKB)
L S BA PA DZ
Well 6407/9-5(Sea floor = 319 mRKB)
L S BA PA DZ
North SeaSouthern Viking Graben
Well 24/12-1(Sea floor = 135 mRKB)
L S BA PA
Northern North Sea
Well 34/8-3A(Sea floor = 405 mRKB)
L S A
?
?
?
?
Uts
ira F
orm
atio
nN
ordl
and
Gro
upS
kade
For
mat
ion
Hor
dala
nd G
roup
NordlandGroup
Cibicidesgrossusassembl.Monspel.pseudote-pida ass.
Bolbofor-ma fragori assembl.
Glo
bige
-rin
abu
lloid
esas
sem
bl.
Glo
boro
-ta
lia p
unc-
ticul
ata
asse
mbl
.
UpperPliocene
Nor
dlan
d G
roup
Uts
iraFo
rmat
ion
Hor
dala
nd G
roup
Upp
er P
lioce
ne
Bry
gge
Form
atio
nLo
wer
Olig
ocen
e
Nau
stFo
rmat
ion
Low
erP
lioce
neU
pper
Plio
cene
Mol
o Fo
rmat
ion
Nau
stFo
rmat
ion
Upp
erP
lioce
neLo
wer
Mio
cene
Und
efin
ed
Un-
defin
ed
Und
efin
ed
Cib
icid
esgr
ossu
sas
sem
blag
e
Bry
gge
Form
atio
nK
aiFo
rmat
ion
Unde
fined
Unde
fined
Un-defined
Bolb
ofor
ma
met
z -
mac
heri
asse
mbl
.
Low
erP
lioce
neU
pper
Mio
cene
Uvi
gerin
a ve
nust
asa
xoni
ca a
ssem
blag
eU
vige
rina
tenu
ipus
tula
ta -
astig
erin
a gu
eric
hi s
taec
hei a
ssem
bl.
Turr
ilina
als
atic
aas
sem
blag
e
Dia
tom
sp.
3as
sem
blag
eD
iato
m s
p. 4
asse
mbl
age
Neo
glob
oqua
drin
a at
lant
ica
(dex
tral
) ass
embl
age
Glo
boro
talia
zea
land
ica
-G
lobi
gerin
a ci
pero
ensi
s as
sem
blag
e
Mid
dle
Mio
cene
Low
er M
ioce
neU
pper
Olig
ocen
e
Elp
hidi
ella
hann
aias
sem
blag
e
Epo
nide
spy
gmeu
sas
sem
bl.
M. p
seu-
dote
pida
asse
mbl
.
Neo
glob
oqua
drin
aat
lant
ica
(sin
istr
al)
asse
mbl
age
Are
olig
era
sem
icirc
u-la
ta Z
one
Retic
ulat
osph
aera
actin
ocor
onat
aZo
ne
Acho
mos
pa-
era s
p. 1 A
ss-
embl
. Zon
e
Rot
alia
tina
bulim
oide
sas
sem
blag
e
Glo
boca
ssid
u-lin
a su
bglob
osa
asse
mbl
age
Bol
bofo
rma
bade
nens
isas
sem
blag
e
Bol
bofo
rma
retic
ulat
aas
sem
blag
e
Uvi
gerin
a py
gmea
lang
eri -
U. p
ygm
eala
ngen
feld
ensi
s as
s.
C. g
ross
us -
E. h
anna
i -G
. bul
loid
es -
N. a
tlant
ica
(sin
istr
al) a
ssem
blag
e
Plu
tofr
ondi
cul-
aria
sem
inud
aas
sem
blag
e
Ehr
enbe
rgin
ava
riabi
lisas
sem
blag
e
E. u
mbo
-na
tus
-St
ilost
o-m
ella
sp.
Diat
omsp
. 4 a
ndsp
. 5as
sem
bl.
UpperMiocene
G. Bulloi.T. quin-queloba
LowerMiocene
Diatomsp. 4 ass.
Unde-fined
Cordosph.cantharel
Zone
Svalb.cook-sonial
G. bullo-ides. ass
Bolbofor.laevis. ass.Bolbofor.subfra.
UpperMiocene -
LowerPlioceneUpper
Miocene
Undefined
UpperEocene
LowerOligocene
UpperOligocene
Un-
defin
ed
Un-
defin
ed
Dia
tom
sp. 4
asse
mbl
.
Chi
rop-
teri
ssp.
Zone
Dia
tom
sp. 3
asse
mbl
.U
nde-
fined
Cibicidestelegdi
Achomo-sphaera sp. 1
D. para-doxum
C. tenui-tabula
D. b i f f iZone
A. semi-circulataS. cook-
sonial
D. colli-gerum
A. dicty-oplokus
C. cantha-rellum Z.
Trifarinagraciles
S. specta-bilis ass.
Uvigerinavenustasaxonica
Bathysiphon
eocenicusassembl.
Neoglo.atlantica
(sin.) ass.
Undefined
E. pygmeus -G. subglo.
Log
480 m
500520540560580600620640660680700720740760780800820840860880900920940960980
10001020104010601080110011201140116011801200122012401260
m1000102010401060108011001120114011601180120012201240126012801300
m620640660680700720740760780800820840860
m118012001220124012601280130013201340136013801400
L = Lithostratigraphic units S = Series / subseries A = Foraminiferal or fossil assemblages BA = Benthic foraminiferal assemblages PA = Planktonic foraminiferal or fossil assemblages DZ = Dinoflaggellate zonesmRKB = Depth in meters below the rig floor
Upp
er M
ioce
ne -
Low
er P
lioce
neLo
wer
- U
pper
Olig
ocen
eTu
rrili
naal
satic
aas
sem
blag
e
Low
erM
ioce
ne
Log
Fig. 12
