Geochemical Analysis of Four Australian Petroleum Systems from Ordovician to Cretaceous

A study compares the geochemical characteristics of four Australian petroleum systems ranging from the Ordovician to Early Cretaceous. The source rocks were deposited in marine environments with varying contributions of terrestrial organic matter. The data is provided by the Australian Ocean Data Network and was last updated on 2026-06-04.

Use Cases

• Modeling hydrocarbon generation potential based on terrestrial versus marine organic matter contributions.
• Refining biomarker analysis for petroleum systems using compounds like semi-volatile aromatics and diamondoids.
• Constraining paleoenvironmental models for ancient marine basins based on geochemical signatures.
• Analyzing the impact of terrestrial organic carbon inputs on source rock composition and petroleum type.

Strengths

• Focuses on four distinct Australian petroleum systems spanning from the Ordovician to Early Cretaceous.
• Analysis includes classical biomarkers and other molecular compounds like semi-volatile aromatics.
• Discusses specific geological formations such as the upper Goldwyer Formation and Echuca Shoals Formation.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Australian Ocean Data Network

Collection Method

Likely contains geochemical analysis and comparison of rock samples from published research.

Time Range

Covers geological periods from Ordovician to Early Cretaceous.

Freshness

Last updated 2026-06-04 10:17:07.157060; freshness should be verified.

Geography

Australia, specifically the Canning Basin, Western Australia and the Australian North West Shelf.