Evidence of Exhalative Origin for Cobar District Mineral Deposits, New South Wales

Evidence is presented for mineralogical and chemical zoning in seven deposits of the Cobar-Nymagee area. The deposits are contained in distal turbidite facies of the Devonian Cobar Supergroup, and the analysis suggests a syn-sedimentary exhalative origin. The dataset is provided by Geoscience Australia Data and was last updated on 2026-04-30.

Use Cases

• Modeling mineral deposit genesis based on described zoning patterns and host rock relationships.
• Correlating stratigraphic horizons using the two mineralised horizons identified in the CSA mine.
• Reconstructing paleogeographic settings based on the described rift-related trough and shelf environment.

Strengths

• Analysis is based on seven specific deposits in the Cobar-Nymagee area, providing a focused case study.
• Description includes detailed geological context, including the Devonian age and structural history.
• Last updated date is precisely recorded as 2026-04-30 14:00:32.382758.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is provided only in PDF and HTML formats, which may complicate direct computational analysis.

Provenance

Source

Geoscience Australia Data

Collection Method

Geological analysis and evidence presentation, likely from field and laboratory studies.

Time Range

Devonian period (geological time).

Freshness

Last updated 2026-04-30 14:00:32.382758; freshness should be verified.

Geography

Cobar-Nymagee area, New South Wales, Australia.