neogene sequence and lithostratigraphy of the northern and...
TRANSCRIPT
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5
0
15
20
25
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Time(Ma)
STANDARDCHRONO-
STRATIGRAPHY
SYST
EM
SERIES
MIO
CEN
EPL
IO-
CEN
E
PLEISTO-CENE
NEO
GEN
EO
LIG
OC
ENE
LU
UPP
ERM
IDD
LELO
WER
UPP
ERLO
WER
PALE
OG
ENE
HOLOCENE0.01
QU
ATER
NA
RY
SEA-LEVEL TRENDS
11.80
9.22
7.26
5.77
4.45
3.97
3.20
2.80
1.46
1.612.03
2.49
0.80
33.90
32.19
29.45
28.45
27.50
24.84
23.03
21.44
20.43
19.17
18.12
17.54
16.97
14.24
13.53
12.72
Tor 2
Tor 3/Me 1
Me 2
Io 1Cala 2Cala 1
Pia 2Pia 1
Za 1
Ge 1Ge 2
Ser 3
Ser 2
Lan 2/Ser 1
Bur 5/Lan 1Bur 4Bur 3
Bur 2
Aq 3/Bur 1
Aq 2
Ch 4/Aq 1
Ch 3
Ch 2
Ru 4/Ch 1
Ru 3
Ru 2
Pr 4/Ru 1
Ser 4/Tor 1
SEQUENCECHRONOSTRATIGRAPHY
SEQUENCES
Za 2
MAINSEA-LEVEL
TRENDS
MEGASEA-LEVEL
TRENDS
REF REF
Utsira Member
Skade Member
UnnamedMember
UnnamedMember
Southern Viking Graben Northern Viking Graben (61 N)Northern Viking Graben
S N W E
Seismic subdivision
LN-2
LN-1
UH-4
UH-3
UH-2
UH-1
(Rundberg & Eidvin, 2005), (Gradstein & Bäckström, 1996)
(Piasecki et al., 2001), (Smelror et al., 2005),
(Knox & Cordey, 1992)
Hiatus
Mid-Miocene hiatus (~0 my in the south to 15-20 my in northernmost North Sea)
B. badenensis - B. reticulata assemb. + U. pygmea langeri -
U. p. langenfeldensis assemblage
Hiatus
G. zealandica - G. ciperoensis assemblage
+U. tenuipustulata - A. guerichi staeschi
assemblage
Plio
cene
-P
leis
toce
neU
pper
Mio
cene
Mid
dle
Mio
cene
Low
er
Mio
cene
Upp
erO
ligoc
ene
Low
erO
ligoc
ene
Eoc
ene
Hor
dala
nd G
roup
Nor
dlan
d G
roup
Lark
For
mat
ion
Kai
For
mat
ion
Hor
da
Fm
Chrono-strat.
Group
A. insignis quadrata - A. insignis aemulans
assemblage
T. alsatica assemblage (in “Siliceous biofacies”)
N. atlantica (dextral) assemblage
+U. venusta saxonica -
Ehrenberghina variabilis assemblage
G. puncticulata - N. atlantica (sinistral) ass.
+M. pseudotepida ass.
LO D. biffii
LO C. lobospinosum
LO A. diktyoplokus
R. actinocoronata Zone (Smelror et al. , 2005)
(incl. S. armageddonensis - H. rigaudiae -
R. actinocoronata - A. umbracula - I. lacrymosa -
A. zevenboomii)
Rundberg(1989)
60 - 62 N
Jordt et al. (1995)58 - 62 N
MU 2
MU 4
MU 5
MU 6
MU 3
CSS-2
CSS-3
CSS-4
CSS-5?
Rundberg & Eidvin, 2005
Micropaleontology Palynology
TECTONIC EVENTS
Isostatic adjustments
Uplift of Fennoscandia and Scotland
Subsidence of North Sea Basin
Uplift of North Sea Basin margins and shallowing
Submergence of Greenland-Scotland High
Marine connection closes to Alpine Foredeep
Compressional tectonics in Norwegian-Greenland Sea and North Atlantic Ocean
Uplift of northernmost North Sea andShetland Platform
Volcanic activity in central Europeand North Sea Basin uplift
Marine connection to Alpine foredeep
Spreading jump (Aegir ridge abandend)
CLIMATICEVENTS
Neogene sequence and lithostratigraphy of the Northern and Central North SeaNORLEX - Project
(in progress) δ13
C(‰)
0-1012345
δ 18O(‰)
4°0° 8° 12°
Temperature (° C)*
Oi-1 Glaciation
Mi-1Glaciation
Late OligoceneWarming
Mid-MioceneClimatic Optimum
Asian monsoonsintensify
W.Antarcticice-sheet
E.Antarcticice-sheet
1 2 3
Zachos et al. (2001)Millenium Atlas (2003)
Brekke et al. (2000)Mc Arthur (pers.com) Zachos et al. (2001)
Sr87/Sr86
A n t a r c t i c I c e - s h e e t s
N. H
e m i s p h e r e I c e - s h e e t s
Full Scale andPermanent
Partial or Ephemeral
Foraminifers/Diatoms/Calcareous algae
C. teretis(NSR 13)
N.atlantica(NSR 11)
B.metzmacherii(NSR 10)
E. variabilis(NSR 9B)
G.praescitula(NSR 9A)
C.unicavus(NSR 8B)
Elphidium clavatumCassidulina teretisCassidulina scaldisiensisNeogloboquadrina pachydermaCassidulina grossaAmmonia beccariCassidulina grossa LCO, Globorotalia inflata,Monspeliensis pseudotepida, Sigmoilopsis schlumbergeri, Nonion affine LCONeogloboquadrina atlanticaGloborotalia crassaformisGloborotalia puncticulataNeogloboquadrina humerosaBolboforma metzmacheriNeogloboquadrina acostaensisNeogloboquadrina atlantica (dextral)Globigerina bulloidesCibicides telegdi
Ehrenbergina variabilisCassidulina subglobosaMartinottiella cylindricaNeogloboquadrina pachydermaBolboforma fragoriBolboforma spiralis
Cibicidoides wuellerstorfiNeogloboquadrina continuosaGlobigerina praebulloidesUvigerina semiomata
Globorotalia praescitula/zaelandicaSphaeroidinellopsis disjunctaSphaeroidinellopsis seminulinaSpirosigmoilinella compressa
Catapsydrax unicavusGlobigerinoides trilobusAsterigerina guerichi
Siliceous biofacies
G. inflata (NSR 12A)
C. grossa (NSR 12B)
Siliceousbiofacies(NSR 8A)
T. alsatica(NSR 7B)
A. agterbergi(NSR 7A)
Turrilina alsatica LOSpirosigmoilinella compressa LCODorothia seigliei
Turrilina alsatica LCO
Adercotryma agterbergiAnnectina biedaiRotaliatina bulimoidesReticulophragmium acutidorsataAmmodiscus latusReticulophragmoides jarvisiDWAF LCO (rare) Reticulophragmium amplectensAmmosphaerodina pseudopaucilo-culata
Aulacodiscus insignis var. (sp.3,4,5)Cibicidoides mundulusSiliceous biofacies LCO
Hyalinea balthica
Globorotalia praemenardii DWAF
Globigerina ciperoensis Globoquadrina praedediscensDentoglobigerina baroemoensis
Subbolina linapoerta Turborotalia pameroli Globorotalia cerroazulensis
Globigerina officinalis Almaena osnabrugensis
Central North Sea Southern North Sea(relatively rare)
M. choanephorumA. umbracula
R. actinocoronata
S. brevispinosa
O. piaseckii
Dinoflagellate cysts
Melitasphaeridium choanephorum, L. parviconvexaTuberculodinium vancampoaeAmiculosphaera umbraculaReticulatosphaera actinocoronata,Operculodinium janducheneiSelenopemphix brevispinosaPiccoladinium fenestratumInvertocysta lactymosaEdwardsiella sexispinosumOperculodinium piaseckii
Cristadinium diminutivum
D. biffii
Distatodinium biffiiMembranophoridium aspinatum
Chiropteridium lobospinosum
S. cornuta
A. semicirculataD. granulata
S. cooksoniae
Spiniferella cornuta
Wetzeliella symmetrica groupThalassiphora pelagicaPhtanoperidinium spp.
Rhombodinium dracoCorrundinium incompositum Areoligera semicirculata Deflandrea granulata
Schizophacus cooksoniaeSamlandia chlamydophoraAchilleodinium biformoides
Areosphaeridium dictyoplokus
C. diminutivum
D. martinheadii
L. truncatum
P. golzowense
C. passio
U. aquaeductum
D. paradoxum
C. tenuitabulatum
C. cantharellum
C. amiculum
Chiropteridium spp.
Decahedrella martinheadiiHystrichosphaeropsis obscura LabyrinthodiniumtruncatumCristadinium cristatoserratumPalaeocystodinium golzowense
Cerebrocysta poulseniiCordosphaeridium minimumCannosphaeropsis passio
Palaeocystodinium sp. ALophocysta sulcolimbata
Unipontidinium aquaeductumSystematophora placacanthaP. laticinctumApteodinium spiridoidesDistatodinium paradoxum/craterumApteodinium australienseCribroperidinium tenuitabulatum
Cordosphaeridium cantharellum
Leptodinium sp. III
Caligodinium amiculum
Deflandrea phosphoriticaChiropteridium galeaChiropteridium spp.
0
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25
30
10
5
Time(Ma)
HOLOCENE
PLIO
CEN
E
E
L
Zanclean
PiacenzianGelasian
3.60
PLEISTO-CENE 1.81
Stag
e
Epoc
hO
LIG
OC
ENE
RupelianE
LChattian
28.45
MIO
CEN
E
E
M
L
Aquitanian
Burdigalian
Langhian
Serravallian
Tortonian
Messinian
23.02
20.43
16.97
13.65
7.25
11.61
34.00
5.33
Norges Database
based on: Smelror (pers.com.), Mudge & Bujak (1996), Millenium Atlas (2003)
based on: Gradstein & Backstrøm (1996)
Norwegian Microfossil Zones and Datums
0.7077 0.7082 0.7087 0.7092BRYGGE
NAUST
KAI
BRYGGE
BNU
MMU
BKU
IUEOC
North Sea Fan-Møre-Vøring Margins
Regionalunconformities
Glacial
Intra Pliocene
Intra Miocene
Base Neogene
Late Eocene
Pleist.toHolocene
Plio
-ce
neM
ioce
neO
ligoc
ene
Eoce
ne
EM
LE
L
North Seasouth of 62N
Nor
dlan
d G
roup
Hor
dala
nd G
roup
UTSIRA
SKADE
Chrono-stratigraphy
Stoker et al., 2005