Geology of the Murray Basin: Stratigraphy and Salinity Context

The Geology of the Murray Basin, Southeastern Australia is a geological summary document covering an area of over 300,000 square kilometers. It details the basin's structural and stratigraphic framework developed over the past 60 million years, including sediment sequences up to 600 meters thick, to explain subsurface causes of salinity. The report links agricultural development and increased groundwater recharge to rising salinity problems threatening the regional economy and environment.

Use Cases

• Understanding salinity drivers by analyzing the described subsurface geology and aquifer systems.
• Modeling groundwater flow using the documented stratigraphic framework and sediment thicknesses.
• Informing land and water management policies based on the geological history and salinity problem analysis.

Strengths

• Provides specific geological dimensions: the basin covers over 300,000 sq km with sediment up to 600m thick.
• Integrates multiple domains: connects structural geology, stratigraphy, hydrogeology, and agricultural impacts.
• Cross-platform presence indicates established importance and reuse.

Limitations

• No structured data (tabular, geospatial) is provided; the dataset is solely a text document.
• Metadata is incomplete: row count, column names, license, and author information are unavailable.
• Conflicting 'last updated' dates (2026-06-04 and 2026-04-28) suggest potential metadata inconsistency.

Provenance

Source

Australian Ocean Data Network

Collection Method

Synthesis of geophysical and borehole evidence, likely from government geological surveys.

Time Range

Covers geological development over approximately 60 million years.

Freshness

Last updated: 2026-06-04 06:43:47.299911

Geography

Murray Basin, southeastern Australia, spanning parts of New South Wales, South Australia, and Victoria.