Jurassic-Cretaceous Sandstone Diagenesis and Porosity in the Eromanga Basin

Geoscience Australia Data provides a geological study of sandstone diagenesis in the Eromanga Basin, New South Wales. The dataset compares quartzose and volcanolithic petrofacies, detailing their authigenic minerals, porosity, and permeability. It was last updated on 2026-04-30.

Use Cases

• Modeling reservoir quality based on described diagenetic overprints like cementation and grain dissolution.
• Correlating porosity-permeability distribution with depositional environments as mentioned in the description.
• Analyzing aquifer function in quartzose sandstones based on the described primary porosity preservation mechanisms.
• Studying the temporal sequence of authigenic mineral formation in different sandstone petrofacies.

Strengths

• Includes specific porosity and permeability averages (e.g., 35% porosity, 125 md for volcanolithic sandstones).
• Describes a detailed diagenetic sequence for two distinct petrofacies.
• Links petrophysical properties to depositional environments and diagenetic history.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is presented in PDF/HTML formats, which may require extraction for computational analysis.

Provenance

Source

Geoscience Australia Data

Time Range

Jurassic and Lower Cretaceous periods

Freshness

Last updated 2026-04-30 14:43:37.648217; freshness should be verified.

Geography

Eromanga Basin, New South Wales, Australia