Geoscience Reference
In-Depth Information
Sequences
Legend
AgeFM
P.Z.
Stratigraphy
GR
FA
Environment
Martinius
et al
.
(2001)
0
150
Intensely
bioturbated
mudstones
Ror
Shallow shelf/marine
Intensely bioturbated
mud-dominated
heterolithics
189.6
±1-4 Ma
Tidal-fluvial channel/
mouth bars
T6
FA 3
Intensely bioturbated
siltstones with coal
lenses
Storm-wave influenced
delta front
FA 6
Thin flaser and
lenticular bedded
heterolithics
FA 8
Tidal-fluvial channel
Fig. 16B
Thin-bedded
wave-dominated
heterolithics
Tidally influenced
delta front
FA 4
Fig. 16A
Thin- to medium-
bedded current-
dominated
heterolithics
FA 8
Tidal-fluvial channel
3
Medium-bedded
wave and current
sandstone with thin
mud layers
Interdistributary bay
FA 9
Fig. 18
T4
Tidal-fluvial channel
/Point bars
FA 8
Medium- to thick-
cross-bedded
sandstone with thin-
to medium-bedded
mudstone
Tidal-fluvial channel
/Point bars
FA 9
Medium- to thick-
bedded storm
deposits
Fig. 17
T3.2
FA 8
Tidal-fluvial channel
SB3
Hiatal surface
Flooding
surface
Tidally influenced
delta front
FA 4
Fig. 13
Reservoir unit
boundary
T3.1
Mouth bars / terminal
distributary channel
Coarsening-up
FA 3
Fig. 12
Fining-up
FA 7
FA 6
Storm-wave influenced
delta front
Fig. 15
T2
50
Prodelta/
distal delta front
FA 5
Fig. 14
2
T1.2
Tidally influenced
delta front
FA 4
Mouth bars/terminal
distributary channel
FA 3
FA 3
Sandy Mouth bars
191. 4
±1-4 Ma
Fig. 11
SB2
FA 2
FA 1
Å3
1
Lower shoreface
Fig. 10
Sand
0 m
Vf
F
MCVc
Clay
Fig. 3.
Composite stratigraphic column for the Smørbukk area, showing production zonation (P.Z.), typical gamma-ray
well-log curve, facies associations (FA), depositional environments, interpreted sequences and hiatal surfaces/sequence
boundaries (SB). Absolute ages for the base and top of the Tilje Formation after Gradstein
et al
. (1995). The locations of core
photos shown in various figures are indicated.
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