Late Cainozoic Vegetation and Climate History of the Murray Basin

The Murray Basin was forested throughout the Tertiary, transitioning to open woodlands and grasslands in the Plio-Pleistocene. This text-based dataset from the Australian Ocean Data Network describes step-like precipitation decreases from the late Oligocene and a distinct late Miocene-early Pliocene Nothofagus phase. It concludes that evidence for dryland salinity, as seen today, is absent throughout the Tertiary and early Pleistocene.

Use Cases

• Modeling historical climate transitions based on described precipitation and vegetation changes.
• Analyzing the correlation between marine transgressions and wetter climate phases mentioned in the description.
• Studying the evolution of salinity indicators in non-marine environments over geological time.

Strengths

• Description provides a detailed narrative of vegetation and climate change over a multi-million-year geological timeframe.
• Identifies specific, well-defined stratigraphic horizons like the Nothofagus phase.
• Explicitly contrasts historical salinity evidence with modern conditions.

Limitations

• Data format is HTML/PDF text; structured, machine-readable data may not be readily available.
• 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 synthesized research findings and interpretations from geological and paleoecological studies.

Time Range

Late Cainozoic (Tertiary through early Pleistocene)

Freshness

Last updated 2026-06-27 19:18:11.614838; freshness should be verified.

Geography

Murray Basin, Australia, including the western slopes of the Eastern Highlands.