Geological Reconnaissance Report on Bauxite Deposits in Manus Island

Manus Island in Papua New Guinea was surveyed for bauxite deposits during a geological reconnaissance. The report describes three nodular bauxite occurrences derived from volcanic rocks, with analyses showing high available alumina content. It was published by the Australian Ocean Data Network and last updated in April 2026.

Use Cases

• Identify potential bauxite exploration targets based on described geological conditions and favorable physiographic factors.
• Study the bauxitization process in volcanic rocks under conditions of high temperature and rainfall.
• Guide further prospecting and depth testing in western Manus Island based on regional considerations mentioned in the report.

Strengths

• Report provides specific analysis results showing high available alumina content in bauxite nodules.
• Describes three distinct bauxite occurrences with different volcanic parent rocks.
• Includes detailed geological context, including the relationship to underlying Miocene or younger sediments.

Limitations

• Data is presented as a PDF/HTML report; no structured tabular data or column definitions are provided.
• Row count and dataset size are unknown, limiting suitability assessment for quantitative analysis.
• The deposits were only observed at the surface and have not been tested at depth.

Provenance

Source

Australian Ocean Data Network

Collection Method

Geological reconnaissance survey.

Time Range

Survey period is not specified, but the underlying volcanic rocks are described as comparatively recent.

Freshness

Last updated 2026-04-10 19:35:11.976997; freshness should be verified.

Geography

Manus Island, Territory of Papua and New Guinea.