Evidence of an Exhalative Origin for Deposits in the Cobar District, New South Wales

Seven mineral deposits in the Cobar-Nymagee area show strong mineralogical and chemical zoning. The deposits are contained within distal turbidite facies of the Devonian Cobar Supergroup. The evidence suggests a syn-sedimentary exhalative origin in a non-volcanic environment, related to rifting and growth faults.

Use Cases

• Modeling mineral deposit genesis based on described mineralogical and chemical zoning.
• Reconstructing paleoenvironments based on the described Devonian turbidite facies and proposed growth faults.
• Identifying exploration targets based on the two mineralised horizons and tight syncline mentioned for the CSA mine.

Strengths

• Focuses on seven specific deposits, providing a defined scope.
• Provides a detailed geological model involving rifting, growth faults, and post-ore deformation.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Geoscience Australia Data

Time Range

Devonian period

Freshness

Last updated 2026-05-14 04:26:18.458981; freshness should be verified.

Geography

Cobar district, New South Wales, Australia