Geological Analysis of the Lander Trough Basin

The Lander Trough in Australia's Northern Territory is a 300 km long by 100 km wide crustal downwarp. This report details three rock sequences, including Cambrian-Ordovician sediments up to 800 meters thick, and assesses the area's petroleum potential based on comparisons to nearby basins. The Australian Ocean Data Network published this geological study, which was last updated in April 2026.

Use Cases

• Assessing petroleum potential by comparing the 800-meter-thick Cambrian-Ordovician sediment sequence to productive analogs in the Amadeus Basin.
• Modeling basin structure using described dimensions (300 km long, 100 km wide) and the overthrust fault system bounding the Arunta Block.
• Stratigraphic analysis of the three distinguished rock sequences: Late Palaeozoic Lake Surprise Sandstone, Cambrian-Ordovician sediments/volcanics, and Proterozoic basement.

Strengths

• Report integrates multiple data sources: recent geological mapping, shallow stratigraphic drilling, and a reassessment of geophysical data.
• Provides specific quantitative measurements for basin dimensions (300 km long, 100 km wide) and sediment thicknesses (100-250 m, up to 800 m).

Limitations

• Data is presented in report formats (PDF, HTML) rather than structured, machine-readable data tables.
• No sample data or raw columnar data is provided, limiting direct computational analysis.
• The exact temporal coverage of the underlying geological and geophysical data is not specified.

Provenance

Source

Australian Ocean Data Network

Collection Method

Geological mapping, shallow stratigraphic drilling, and reassessment of geophysical data.

Time Range

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Freshness

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Geography

Lander Trough, southern Wiso Basin, Northern Territory, Australia.