Cenozoic Volcanic Features in the Capel-Faust Basins

Miocene-Pliocene and Eocene-Oligocene volcanic features were identified on the seafloor of the northern Lord Howe Rise. The dataset includes analysis of seismic profiles and swath bathymetry from a Geoscience Australia survey. Findings were presented at the Australian Earth Sciences Convention in July 2010.

Use Cases

• Classify volcanic cone age based on seismic profile features and unconformity relationships.
• Analyze seamount alignment patterns from bathymetry data to identify potential hotspot chains.
• Map the distribution of Eocene-Oligocene volcanic edifices relative to basement highs.
• Study sediment erosion moats surrounding cones using seafloor current and bathymetry data.

Strengths

• Identifies at least two distinct ages of volcanism: Miocene-Pliocene (~4-7 Ma) and Eocene-Oligocene.
• Includes data on the Gifford Guyot (~18 Ma) and other seamounts from the Lord Howe chain.
• Analysis based on seismic data (s302) and swath bathymetry from a dedicated survey.

Limitations

• Specific row count, column names, and data file sizes are unknown.
• Primary data formats are PDF and HTML, which may require extraction for quantitative analysis.
• Spatial coverage is limited to the Capel-Faust region and northern Lord Howe Rise.

Provenance

Source

Australian Ocean Data Network, based on a Geoscience Australia survey.

Collection Method

Analysis of seismic data and swath bathymetry acquired during an offshore exploration survey.

Time Range

Cenozoic era, specifically Miocene-Pliocene (~4-7 Ma) and Eocene-Oligocene periods.

Freshness

Data was collected and presented in 2010, but the record was last updated in April 2026.

Geography

Capel-Faust basins and northern Lord Howe Rise, offshore Australia.