Geoscience Australia Data provides a dataset on photic zone euxinia in the Late Devonian Canning Basin, Western Australia. The data likely contains geochemical evidence from the Givetian–Frasnian period, including biomarker assemblages like hopanes and steranes from rock extracts and oils. This research, published in Marine and Petroleum Geology in 2018, investigates the link between ocean anoxia and the formation of petroleum source rocks.
Use Cases
- Modeling the development of photic zone euxinia based on geochemical evidence from the Lennard Shelf and Barbwire Terrace.
- Correlating petroleum sources using biomarker assemblages like hopane and sterane abundances mentioned in the description.
- Assessing the impact of nutrient supply and restricted marine settings on algal activity and bacterial predominance in ancient seas.
Strengths
- Data is associated with a peer-reviewed publication in Marine and Petroleum Geology (Volume 93, 2018).
- Analysis covers two distinct geological margins (Lennard Shelf and Barbwire Terrace) within the Canning Basin.
- Includes biomarker data (e.g., hopanes, steranes, carotenoids) for oil-to-source rock correlation.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Likely contains geochemical analysis of rock extracts and oils from boreholes.
- Time Range
- Givetian–Frasnian (Middle to Late Devonian period)
- Freshness
- Last updated 2026-04-30 12:32:57.169670; freshness should be verified.
- Geography
- Canning Basin, Western Australia, specifically the Lennard Shelf and Barbwire Terrace margins of the Fitzroy Trough.