Proterozoic River Supersequence Geology and Mineralization in Northern Australia

The River Supersequence represents a 15-million-year accommodation cycle within the Isa Superbasin. It comprises eight sequences with a maximum thickness of 3300 meters, documented through outcrops, drillholes, and seismic imaging on the Lawn Hill Platform. The data describes facies ranging from siliciclastics to carbonates, syndepositional faulting, and at least three stratigraphic levels associated with Zn-Pb-Ag mineralization.

Use Cases

• Modeling basin partitioning and accommodation cycles based on described sequence stratigraphy and fault offsets.
• Analyzing facies distributions and depositional environments (e.g., fluvial, turbiditic) mentioned in the description.
• Investigating the relationship between syndepositional faulting and base-metal mineralization (Zn-Pb-Ag).

Strengths

• Maximum thickness of 3300 meters provides a substantial vertical scale for analysis.
• Integration of outcrop, drillhole, and seismic reflection data for cross-validation.
• Description identifies at least three distinct stratigraphic levels associated with mineralization.

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 the specific study area in northern Australia.

Provenance

Source

Australian Ocean Data Network

Collection Method

Likely contains geological field observations, drillhole data, and seismic interpretation.

Time Range

Proterozoic era.

Freshness

Last updated 2026-06 27 17:29:40.362958; freshness should be verified.

Geography

Lawn Hill Platform and McArthur Basin, northern Australia.