Minchinbury Sandstone
| Minchinbury Sandstone | |
|---|---|
| Stratigraphic range: | |
Exposed sandstone beside the Duck River, in South Granville | |
| Type | Geological formation |
| Unit of | Wiannamatta group |
| Underlies | Bringelly Shale |
| Overlies | Hawkesbury sandstone |
| Thickness | up to 6 metres (20 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Shale |
| Location | |
| Location | Sydney, Australia |
| Region | Western Sydney, south-western Sydney |
| Country | Australia |
| Type section | |
| Named for | Minchinbury |
Minchinbury Sandstone is a component of the Wianammatta Group of sedimentary rocks in the Sydney Basin of eastern Australia that was formed in the middle Triassic period. The sandstone was structured by marine deposition as a set of sandy barrier islands at a coastal shoreline.