Wyalong Area Ordovician Volcanic Geochemical Data for Oceanic Setting Analysis

Geochemical data from the Narragudgil Volcanics sequence south of Wyalong, New South Wales, indicates an oceanic accumulation environment. The dataset, published by the Australian Ocean Data Network, was last updated on 2026-04-10. The volcanic rocks are associated with a highly magnetic package and have been compared to the older Jindalee Group.

Use Cases

• Classifying volcanic rock origin (MORB vs. back-arc basin) based on geochemical signatures.
• Correlating magnetic rock sequences for mineral exploration based on the described complex magnetic signature.
• Studying the geological history of the Lachlan Fold Belt based on Ordovician volcanic evidence.

Strengths

• Data provides evidence for a specific oceanic environment (mid-ocean ridge or back-arc basin).
• Links volcanic rocks to a known magnetic package associated with a gold deposit (Gidginbung Volcanics).
• Includes a reference to prior geological survey notes for context.

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 in PDF/HTML formats, which may require extraction for analysis.

Provenance

Source

Australian Ocean Data Network

Collection Method

Likely collected and analyzed as part of geological survey work.

Time Range

Ordovician period.

Freshness

Last updated 2026-04-10 19:41:14.752175; freshness should be verified.

Geography

Wyalong area, New South Wales, Australia, within the Lachlan Fold Belt.