Lawn Hill Platform Cover Geology and Mineral Deposits, Northwest Queensland

Three stratigraphic subdivisions define the Proterozoic Lawn Hill Platform Cover, including the major McNamara Group with its thick carbonate sequence. Economic copper, lead, and zinc sulphide deposits are concentrated at two main horizons within the lower middle McNamara Group. The dataset, provided by the Australian Ocean Data Network, describes the geological evolution, tectonic style, and economic potential of this region.

Use Cases

• Model stratigraphic sequences based on described formations like the Bigie Formation and McNamara Group.
• Analyze tectonic deformation patterns based on described basins, domes, and northeast/northwest-trending faults.
• Identify potential exploration targets for Cu-Pb-Zn deposits based on described stratigraphic horizons and host rocks.
• Study early diagenetic ore-forming processes based on the association of deposits with carbonaceous shales and algal dolomite.

Strengths

• Description provides specific stratigraphic subdivisions and formation names.
• Identifies two main stratigraphic horizons for economic Cu, Pb, and Zn sulphide deposits.
• Includes a genetic model for deposit formation involving algal material and diagenetic processes.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to data_gov_au, focusing on a specific Australian region.

Provenance

Source

Australian Ocean Data Network

Time Range

Proterozoic era

Freshness

Last updated 2026-06-27 20:22:52.088402; freshness should be verified.

Geography

Lawn Hill Platform, northwest Queensland, Australia