Timor Sea Continental Shelf Sediment Lithofacies Maps

Three 1:1,000,000 scale lithofacies maps of shelf sediments published by early 1974, covering the Rowley Shoals, Scott Reef, and Arafura Sea areas. The maps result from systematic reconnaissance geological surveys initiated by the Bureau of Mineral Resources following a 1967 monograph. Users are directed to Bulletin 83 for interpretation, as the map does not distinguish modern sediments from relics of earlier regimes.

Use Cases

• Analyze sediment lithology variations across the continental shelf based on the 1:1,000,000 scale maps.
• Study modern and relict depositional regimes by cross-referencing the maps with Bulletin 83.
• Investigate the relationship between gravel content and bathymetry as inferred from the map and supporting documentation.

Strengths

• Three detailed map sheets published at a 1:1,000,000 scale.
• Results from a program of systematic reconnaissance surveys initiated by the Bureau of Mineral Resources.
• Accompanied by interpretive bulletins providing context on depositional regimes.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• The map does not distinguish between modern sediments and relics of earlier regimes.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Australian Ocean Data Network, Bureau of Mineral Resources.

Collection Method

Systematic reconnaissance geological surveys of the continental shelf.

Time Range

Surveys conducted after 1967; maps published by early 1974.

Freshness

Last updated 2026-06-04 06:53:56.240018; freshness should be verified.

Geography

Timor Sea continental shelf, covering Rowley Shoals, Scott Reef, and Arafura Sea areas.