Lake Frome Geochemistry: Sediment and Brine Analysis from South Australia

Over the last 17000 years, medium to fine sand accumulated on the lake margins and mud in the center. The dataset contains geochemical analysis of sediments and hypersaline brines from Lake Frome, a playa lake in South Australia, studied by Geoscience Australia. It includes major and minor element concentrations from stratigraphic units and water samples.

Use Cases

• Modeling metal ion transport based on the study of fluid and sediment movement in an internal drainage basin.
• Analyzing continental brine composition based on hypersaline water samples with high sodium and chloride concentrations.
• Studying playa sedimentation patterns based on stratigraphic analysis of upper and lower sandy units and a muddy unit.
• Investigating mound spring geochemistry based on the mixing of artesian water with lake brines described in the northeast and southeast areas.

Strengths

• Stratigraphic analysis covers a 17000-year time span.
• Water samples are characterized as hypersaline with concentrations of 26 to 34 percent.
• Analysis distinguishes between geochemically similar upper and lower sands and muds with higher organic carbon.

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 Lake Frome.

Provenance

Source

Geoscience Australia Data

Collection Method

Analysis of samples from shallow auger holes and water sampling.

Time Range

Covers the last 17000 years.

Freshness

Last updated 2026-05-14 03:42:13.181580; freshness should be verified.

Geography

Lake Frome, a playa lake in southeast South Australia.