| Field studies and background data |
Fig. 1 |
Location map for field surveys |
| Fig. 2 |
Bathymetric and sediment
texture |
| Subsurface expressions of the ancestral Mississippi River |
Fig. 3 |
(a) Seismic profile (b)
Channel overlain by estuarine fill |
Pleistocene-Holocene
sediment distributions |
Fig. 4 |
Contour map of depth to
Pleistocene surface |
| Fig. 5 |
Generalized vibracore with
typical sediment units |
| Fig. 6 |
USACE boring and seismic
profiles |
| Fig. 7 |
High-resolution seismic profile
with vibracore |
| Fig. 8 |
Thinning of Holocene deposits in
northern Lake Pontchartrain |
| Schematic development of Lake Pontchartrain |
Fig. 9 |
Changes over time with sea-level rise |
| Sediment profiles from NW Lake Pontchartrain to Lake Borgne |
Fig. 10 |
Superposition of various
depositional units (marsh, estuarine/lagoonal, deltaic, etc.) |
| Schematic development of the Northern Gulf of Mexico shelf |
Fig. 11 |
Estuary and shelf development through
Holocene transgression |
