The Ivanhoe Block is a concealed basement ridge complex that forms the regional divide between the Darling and Lachlan-Murrumbidgee groundwater systems. Groundwater salinity is strata-bound in the aquifers, enhancing the value of electric logs for a 3-fold subdivision of the Renmark Group. The Western Riverine Plain is partitioned into the Balranald-Hatfield discharge zone and the Moulamein-Mossgiel buffer zone based on chloride concentration changes.
Use Cases
- Model regional groundwater flow patterns based on the described deflection by basement ridges and aquitard barriers.
- Assess land salinisation risk based on the identified high-risk zones like the Balranald-Hatfield discharge area.
- Subdivide aquifer stratigraphy using electric log data based on the described strata-bound salinity.
- Analyze groundwater system divides based on the Ivanhoe Block's role as a regional divide between major systems.
Strengths
- Description provides a detailed geological and hydrogeological model of a specific region.
- Identifies specific risk zones for land salinisation, such as the Balranald-Hatfield discharge zone.
- Mentions a concrete method (electric logs) for subdividing the Renmark Group into three sequences.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data may reflect geographic bias inherent to data_gov_au, focusing solely on the NSW Riverine Plain.
Provenance
- Source
- Australian Ocean Data Network
- Freshness
- Last updated 2026-06-27 20:37:36.944478; freshness should be verified.
- Geography
- Riverine Plain of New South Wales, central Murray Basin, Australia