GA310 South West Margin: Offshore Gravity and Magnetic Survey Data

Geoscience Australia's GA310 South West Margin 2D MSS survey acquired 26,000 line-kilometres of gravity and magnetic data in 2008/2009. The data were processed via standard methods and quality-checked by GA geophysicists to ensure they are fit-for-purpose. This pre-competitive data was collected under the Australian Government's Offshore Energy Security Program.

Use Cases

• Model subsurface geological structure based on processed gravity data.
• Interpret rock density variations for resource exploration based on gravity measurements.
• Correlate geological features with other survey data like seismic reflection and swath bathymetry mentioned in the description.

Strengths

• 26,000 line-kilometres of gravity and magnetic data provide substantial spatial coverage.
• Data underwent quality checks by Geoscience Australia geophysicists to ensure fitness-for-purpose.
• Acquired as part of a government program (Offshore Energy Security Program), suggesting institutional oversight.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Data may reflect geographic and temporal bias inherent to the specific 2008/2009 survey.

Provenance

Source

Geoscience Australia Data

Collection Method

Acquired via a marine survey (2D MSS) using gravity, magnetic, and other geophysical instruments.

Time Range

2008/2009

Freshness

Last updated 2026-04-20 02:10:13.784549; freshness should be verified.

Geography

South West Margin, Australia (offshore)