Updated Palaeogeographic Maps for Northern Australian Plate Margins

Updated palaeogeographic maps and tectonic models for the northern margins of the Australian plate, published by Geoscience Australia. The report details the tectonostratigraphic evolution from the Carboniferous to the Holocene, considering alternative reconstructions for the Greater Birds Head region. Many models are noted as difficult to substantiate with current data, indicating a need for further research.

Use Cases

• Modeling plate tectonic reconstructions based on described alternative scenarios for the Greater Birds Head.
• Analyzing sedimentation patterns (e.g., deltaic, glacial, carbonate) across described geological phases.
• Studying the evolution of rift basins and passive margins in NW Australia from the Oxfordian to Valanginian.
• Investigating collision and arc system incorporation events from the late Oligocene to Holocene.

Strengths

• Provides updated plate models and maps for a complex geological region.
• Covers a long temporal range from the Carboniferous to the Holocene.
• Explicitly discusses alternative tectonic scenarios and research gaps.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The report states many tectonic models are difficult to substantiate with current data.

Provenance

Source

Geoscience Australia Data

Collection Method

Scientific analysis and modeling, described in a report.

Time Range

Carboniferous to Holocene

Freshness

Last updated 2026-03 25 18:19:14.854736; freshness should be verified.

Geography

Northern margins of the Australian plate, including Timor, Kai Islands, and the Greater Birds Head region.