GA310 South West Margin Gravity Line Data from 2008/2009 Survey

Geoscience Australia's GA310 South West Margin 2D MSS survey acquired gravity line data in 2008/2009 as part of the Offshore Energy Security Program. Gravity data measures changes in rock density beneath the Earth's surface, processed via standard methods and quality-checked by GA geophysicists. The survey acquired 26,000 line-kilometres of gravity and magnetic data.

Use Cases

• Interpret subsurface geological structure based on processed gravity data.
• Model rock density variations for offshore energy exploration.
• Integrate gravity data with seismic reflection and magnetic data for comprehensive geophysical analysis.
• Assess the geological structure of the South West Margin region.

Strengths

• Data quality was checked by GA geophysicists to ensure it is fit-for-purpose.
• Survey acquired 26,000 line-kilometres of gravity and magnetic data.
• Data processed via standard methods to isolate the response from subsurface rocks.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Australian Ocean Data Network

Collection Method

Acquired via marine survey using gravity measurement instruments.

Time Range

2008/2009

Geography

South West Margin (likely offshore Australia)