Northern Australia provides biomarker data from a 1.64-billion-year-old marine basin. The dataset, published by Geoscience Australia, reveals the ecological structure of mid-Proterozoic marine communities. It includes molecular fossils indicating anoxic, sulphidic, and sulphate-poor deep waters.
Use Cases
- Modeling ancient ocean redox conditions based on biomarker evidence for anoxic and sulphidic waters.
- Studying the co-existence of microbial communities based on detected carotenoid biomarkers for purple and green sulphur bacteria.
- Investigating the timeline of atmospheric oxygenation based on biomarker data from the mid-Proterozoic interval (1.8-0.8 Gyr ago).
- Reconstructing palaeoenvironments based on evidence for a permanently stratified marine basin.
Strengths
- Data is tied to a specific, ancient geological timeframe of 1.64 billion years ago.
- Focuses on a defined geographic region in northern Australia.
- Description provides a clear scientific context linking biomarkers to broader Earth history events.
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
- Analysis of hydrocarbon biomarkers (molecular fossils) from geological samples.
- Time Range
- Mid-Proterozoic, specifically 1.64 billion years ago.
- Freshness
- Last updated 2026-04-20 03:15:58.842190; freshness should be verified.
- Geography
- A marine basin in northern Australia.