Lawn Hill Platform Cover Geology and Mineral Deposits, Northwest Queensland

The dataset describes the geological evolution and tectonic style of the Lawn Hill Platform Cover, a sequence of Proterozoic sediments and volcanics northwest of Mount Isa. It details three subdivisions of the sequence—the Bigie Formation, Fiery Creek Volcanics, Surprise Creek Formation, and McNamara Group—and their deformation into basins and domes. The data, sourced from the Australian Ocean Data Network, highlights stratigraphic horizons containing economic Cu, Pb, and Zn sulphide deposits.

Use Cases

• Modeling sedimentary basin evolution based on described stratigraphic subdivisions
• Identifying potential mineral deposit locations based on stratigraphic horizons in the McNamara Group
• Analyzing tectonic deformation patterns based on described basins, domes, and fault trends
• Studying diagenetic processes in mineral formation based on associations with carbonaceous shales and algal dolomite

Strengths

• Description details three specific stratigraphic subdivisions and their lithologies
• Identifies two main stratigraphic horizons for economic Cu, Pb, and Zn sulphide deposits
• Provides specific geographic context northwest of Mount Isa in Queensland

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

Provenance

Source

Australian Ocean Data Network

Time Range

Proterozoic

Freshness

Last updated 2026-04-16 15:57:17.462996; freshness should be verified

Geography

Lawn Hill Platform Cover, northwest Queensland, northwest of Mount Isa