In 1976, a colored gravity map of Australia was published by the Bureau of Mineral Resources (BMR). The map was based on approximately 260,000 gravity observations from 300 surveys, costing about $12,000,000. Computer processing took about four months and cartography about three months.
Use Cases
- Analyze regional gravity anomalies based on Bouguer and free-air anomaly maps
- Model subsurface geological structures based on systematic reconnaissance gravity coverage
- Integrate gravity data with marine coverage of the continental shelf and margins
Strengths
- Approximately 260,000 gravity observations provide a dense data point network
- Data compilation cost about $12,000,000, indicating a significant investment
- Includes Bouguer and free-air anomaly maps derived from the same data bank
Limitations
- Column-level documentation is absent; field semantics must be inferred after download
- Row count is unknown, which may limit suitability assessment
- Last updated 2026-04-16 14:29:32.755359; freshness should be verified
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Compiled from gravity observations obtained by various organizations from 300 surveys.
- Time Range
- 1976
- Geography
- Australia, including continental shelf and margins