Ngalia Basin Geology: Stratigraphy and Structure Report

A geological report from the Australian Ocean Data Network details the stratigraphy and structure of the Ngalia Basin in Australia's Northern Territory. The document describes up to about 5 km of sedimentary rocks, including thicknesses for Adelaidean (3200 m), Cambrian (800 m), probable Ordovician (300 m), and Devono-Carboniferous (3100 m) sequences. It was last updated on 2026-04-10.

Use Cases

• Modeling basin evolution based on described periods of sedimentation and diastrophism.
• Assessing petroleum potential based on the analysis of unconformities and source rocks.
• Evaluating uranium mineralization potential in Devono-Carboniferous continental sandstones.
• Analyzing structural features like thrusts, synclines, and horst-and-graben systems.

Strengths

• Provides specific sediment thicknesses for major geological periods (e.g., Adelaidean 3200 m).
• Describes a complex structural history with nine periods of sedimentation and diastrophism.
• Includes analysis of economic potential for resources like uranium and water.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The data is presented as a PDF/HTML report, not as structured, machine-readable data.

Provenance

Source

Australian Ocean Data Network via data_gov_au.

Collection Method

Likely a compiled geological study or survey report.

Time Range

Covers geological time from Adelaidean to Tertiary periods.

Freshness

Last updated 2026-04-10 17:38:13.900660; freshness should be verified.

Geography

The Ngalia Basin, Northern Territory, Australia.