Timor Sea Continental Shelf Sediment Lithofacies Maps at 1:1,000,000 Scale

Three published map sheets from a systematic reconnaissance program initiated after 1967. The Bureau of Mineral Resources produced these 1:1,000,000 lithofacies maps of shelf sediments, with three sheets printed by early 1974. Users must refer to Bulletin 83 for interpretation, as the map does not distinguish modern sediments from relic deposits.

Use Cases

• Analyze sediment lithofacies distribution based on the 1:1,000,000 scale maps
• Study non-depositional or erosional shelf areas mentioned in the description
• Infer historical sediment regimes based on gravel content and bathymetry relationships described
• Map continental shelf geology for resource assessment or environmental studies

Strengths

• Part of a systematic reconnaissance program by the Bureau of Mineral Resources
• Maps published at a detailed 1:1,000,000 scale
• Three specific map sheets (Rowley Shoals, Scott Reef, Arafura Sea) were printed by early 1974
• Interpretation guidance is provided in a referenced bulletin (Bulletin 83, GeoCat #163)

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 map does not distinguish between modern sediments and relics of earlier regimes

Provenance

Source

Bureau of Mineral Resources (BMR), published in the BMR Bulletin series

Collection Method

Systematic reconnaissance geological surveys of the continental shelf

Time Range

Surveys initiated after 1967, with map sheets printed by early 1974

Freshness

Last updated 2026-04-10 21:40:14.447866; freshness should be verified

Geography

Timor Sea and east Australian continental shelf, including Rowley Shoals, Scott Reef, and Arafura Sea