Page 160 - Carbonate Sedimentology and Sequence Stratigraphy

CHAPTER 8: SEQUENCE STRATIGRAPHY OF C AND M FACTORIES 151

A)
Fig. 8.5.— Sequence S N
sealevel 0
stratigraphy of the South
Australian margin in the 6B
Cenozoic. Compiled from
Feary and James (1998), 3 5 500
James et al. (2000). A) 2
Overview of sequences
and their internal ge- 1 C
B
ometry. Note difference
4 1000 m
between C-factory se-
7
quences 1 – 5 and 7,
and the probable T-factory
6A
sequence 6. B) Seismic 1500
image of sequences 1
and 2 (Quaternary). Note
rounded shelf break and
B) S 1 2 km N
bryozoan mounds on the 0
Site
upper slope. C) Sequence 1129 0.25
200
6B, interpreted as rimmed,
tropical platform, onlapped
Site
by sequence 5 (debris 300 1131
of reef escarpment) and
cool-water carbonates of water depth (meters) 0.50
sequences 2 – 4. Note 400
Site
difference between the 1127
interpreted rimmed T middle-late
500 Pliocene Miocene
platform and the rounded, two-way traveltime (s)
deep shelf margin of cool- 0.75
water carbonates in Fig. 600 Holocene Pleistocene
transgressive
B. veneer
?Oligocene
700
Mesozoic
siliciclastics 1.00
base Tertiary
early Miocene
middle-late Eocene
1.25
C)
0.00

0.10
two-way-traveltime (secs) 0.30 2-4
0.20

6B
0.40
0.50

0.60

0.70