Great Artesian Basin Vshale modelling, Version 2.0 ‒ Data package of Vshale modelling base

Eastern Australia's Great Artesian Basin and Lake Eyre Basin are covered by this 3D geological model populated with volume of shale (Vshale) values from 2,310 wells. The data package, produced by Geoscience Australia's National Groundwater Systems Project, provides a refined architecture of 18 hydrogeological units. It builds on a first iteration and infills previous data gaps with additional borehole, airborne electromagnetic, and seismic interpretation.

Use Cases

• Refining aquifer and aquitard geometry based on 3D Vshale values.
• Mapping sand body development and hydraulic characteristics within hydrogeological units.
• Identifying potential preferential groundwater flow paths based on sand-rich area extents.
• Assessing the impact of water use and climate change on groundwater systems using a common 3D framework.

Strengths

• Model is based on data from 2,310 wells across four basins.
• Represents the second iteration of the model, building on previous work and infilling data gaps.
• Provides a common national standard for hydrogeological conceptualisation across multiple jurisdictions.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• The description notes limitations requiring further study, including data gaps and the need to integrate petrophysics and hydrogeological data.

Provenance

Source

Geoscience Australia's National Groundwater Systems Project, part of the Exploring for the Future program.

Collection Method

Vshale values calculated on wells, integrated with 3D geological and hydrogeological surfaces from borehole, airborne electromagnetic, and seismic data.

Time Range

null

Freshness

Last updated 2026-06 23 05:24:35.846183; freshness should be verified.

Geography

Eastern Australia, covering the Great Artesian Basin and Lake Eyre Basin, including the Surat, Eromanga, Carpentaria, and Lake Eyre basins.