Sedimentary Facies
Sedimentary Environment
Max. Unit Thickness (m)
Dominant Fauna
Average Weight Percents
% Organic Content
Other
Gravel
Sand
Mud
MS
back-barrier
4.00
Cc, Cf, Aa, Ai
4
71
25
0
-
ims
washover
2.00
marine/ bay
10
84
6
0
Ophiomorpha
bms
tidally influenced
1.00
none
3
87
10
0
mud laminae
WS
barrier sands
3.00
Cc
0
100
1
0
-
SS
tidal inlet
2.50
fragmented
50
50
0
0
fining up sequences
OMS
marsh/ mangrove
0.90
none
0
85
6
10
bioturbated
BMS
estuarine
4.20
none
0
93
7
trace
distinct burrows
OBS
dune
1.00
none
0
93
0
7
fine organics
SAM
fluvial/ estuarine
1.20
none
0
80
20
0
-
MUD
bedrock
0.70
none
0
12
82
0
-

WS=Well-Sorted Sand OMS=Organic Muddy Sand
MS=Muddy Sand BMS=Bioturbated Muddy Sand
ims=interbedded muddy sand OBS=Organic-rich Brown Sand
bms=bioturbated muddy sand SAM=Sandy Mud
SS=Shelly Sand MUD=Mud

Figure 1: Description of sedimentary facies and interpreted environments of deposition.

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