Geological Report on Bauxite Occurrences in Manus Island, Papua New Guinea

Geoscience Australia Data provides a geological reconnaissance report on Manus Island. The report describes nodular bauxite deposits observed in three separate localities, likely derived from volcanic rocks, and includes results from analyses of individual nodules. The report was last updated on 2026-04-20.

Use Cases

• Identify potential bauxite exploration targets based on described geological conditions and locations.
• Study the process of bauxitization in tropical volcanic environments based on the described physiographic and petrographic conditions.
• Analyze the geochemical quality of bauxite deposits based on the reported high available alumina content from nodule analyses.
• Map regional geology and volcanic stratigraphy based on the described rock units and their relationships.

Strengths

• Report provides specific geological observations from three distinct localities on Manus Island.
• Includes analytical results showing high available alumina content in bauxite nodules.
• Offers a temporal context, suggesting the volcanic rocks are likely Miocene or younger.

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.
• The deposits were only observed at the surface and have not been tested at depth.

Provenance

Source

Geoscience Australia Data

Collection Method

Geological reconnaissance and field observation.

Freshness

Last updated 2026-04-20 03:58:01.493050; freshness should be verified.

Geography

Manus Island, Territory of Papua and New Guinea