South Perth Shale Supersequence Palaeogeographic Maps for CO2 Storage Assessment

Geoscience Australia produced palaeogeographic maps for the South Perth Shale Supersequence in the Vlaming Sub-basin as part of a 2011 National CO2 Infrastructure Plan project. The study applied a sequence-stratigraphic approach to map the distribution of mudstone facies, the effective sub-regional seal, to characterize CO2 containment potential. The dataset includes analysis of spatial distribution and thickness of the seal, with an estimated sealing capacity for a CO2 column of up to 663 meters.

Use Cases

• Modeling CO2 containment potential based on mapped mudstone facies distribution.
• Assessing regional seal variability for geological storage sites based on sequence-stratigraphic analysis.
• Integrating palaeogeographic maps into basin-scale prospectivity assessments for carbon capture.

Strengths

• Based on a three-year project initiated in 2011 by Geoscience Australia, providing institutional authority.
• Includes analysis of a thick (1900 m) deltaic succession with highly variable lithologies.
• Maps the distribution of the effective seal facies across the basin using a sequence-stratigraphic approach.

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 Vlaming Sub-basin study area.

Provenance

Source

Geoscience Australia Data

Collection Method

Sequence-stratigraphic mapping and analysis of spatial distribution and thickness of mudstone facies.

Time Range

Project initiated in 2011; study references data from 2006.

Freshness

Last updated 2026-03-25 17:02:29.678104; freshness should be verified.

Geography

Vlaming Sub-basin within the Perth Basin, Australia.