3.5 Marine Delta Complexes
CONSTRUCTIV E PHASE
LEVEE
COASlAL
BARRIER SANDS
FINE SANDS
AND SILlS
a
b
"
GROWlH FAULT
PRODELTA MUDS
--ABANDONED
FORMER DELTA LOBE
l,
- "
POST ·EROSIONAl/
SHELF SEDIMENTS .-2+ 3
levee and cre ·
e
vasse splay
soils
sands and silts
marsh pea t or
mudflats. lake or
lagoonal sed,
coastal barrier
sands (:!: levees,)
river mouth
and shoreface
levee
sands
delta front
sil ts and sands
prodelta
sill s and clays
d
MARSH PEAT
OR MUD. LAKE
AND LAGOONAL
MUD
PRODELTA MUD
e
point
bar
and
chapnel
fill
"'FLUVIAL
AND CREVASSE
SPLAY SANDS
SILTS AND
MUDS
POINT BAR AND
DISTRIBUTARY
CHANNEL FILL
SUBSIDENCE
DELTA FRON T AND DISTRIBUlARY
MOUTH BAR SANDS AND SILTS
f
allu·
(3)
vial
plain
(2)
levee
sand
, ,
spit
(2 )" , , ,
/'
DELTA FRONT
& DISTRIB.
MOUTH
BAR SAND
AND COASTAL
BARRIER SAND
9
(4)
lake delta
sands and
sills
reworked
sands and
(2) shells from
lormer
delta lobe
prodella
161