Geochemical Interactions of Redbed Groundwaters and Carbonates in Spencer Gulf

Spencer Gulf, South Australia, provides a modern environment to test models for stratiform copper ore genesis. The dataset contains geochemical observations of saline continental groundwater interactions with coastal Holocene carbonate complexes, investigating metal transport and precipitation. It was contributed by the Australian Ocean Data Network and was last updated in April 2026.

Use Cases

• Analyze groundwater pH, Eh, and salinity data to model conditions suitable for Cu, Pb, and Zn transport.
• Correlate Fe and Mn concentrations in groundwater with precipitation mechanisms in supratidal and intertidal zones.
• Map spatial discharge patterns of acidic, oxidising groundwaters relative to areas of bacterial sulphate reduction.
• Study seasonal flow rate attenuation data to understand its influence on Fe conversion to sulphides.
• Evaluate metal adsorption onto marine carbonates versus oxidation precipitation using geochemical profiles.

Strengths

• Focuses on a specific, modern test environment for a widely cited geological genesis model.
• Investigates multiple metal transport and precipitation mechanisms (sulphide formation, adsorption, oxidation).
• Explicitly links geochemical parameters (pH, Eh, salinity) to metal mobilization from Fe-oxide grain coatings.

Limitations

• Specific data volume, row count, and column details are unknown.
• The absence of thick organic deposits in the supratidal sequence limits direct study of certain precipitation pathways.
• File formats are PDF and HTML, which may require extraction for quantitative analysis.

Provenance

Source

Australian Ocean Data Network

Collection Method

Field investigations and geochemical analysis on the northeastern shore of Spencer Gulf.

Time Range

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Freshness

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Geography

Spencer Gulf, South Australia, specifically coastal Holocene carbonate complexes.