Marine Seismic Reflection Survey to locate depth to bedrock, NSW.
GBG Australia undertook a Marine seismic reflection survey, New South Wales. The aim of the investigation was to locate the depth to the top of the bedrock. This information was used to plan a proposed pipeline running across the width of the river.
Figure 1: The Equipment set up onboard.
Figure 2: Locations were recorded using an external GPS.
Figure 3: The source being towed behind the boat.
Figure 4: 2D sections showing various layering in the subsurface
Figure 5: 3D image showing the variation to bedrock across the width of the river.