Christmas Island, an Australian territory in the Indian Ocean, is the focus of a marine geoscience survey. The project involved a 28-day research cruise in January-February 1992, collecting about 2500 km of high-resolution seismic and bathymetric data. The data was gathered by the Bureau of Mineral Resources to assess seabed morphology, sediment thickness, and offshore mineral resources like manganese nodules and crusts.
Use Cases
- Map seabed morphology based on bathymetric and seismic reflection data.
- Estimate sediment thickness and facies for regional geological mapping.
- Assess manganese nodule abundance and metal grade on the deep-sea floor.
- Evaluate manganese crust thickness and metal grade on volcanic ridges.
- Support maritime boundary negotiations based on seabed resource distribution.
Strengths
- Data collection involved a dedicated 28-day geoscience cruise.
- Approximately 2500 km of high-resolution reflection seismic and bathymetric data was acquired.
- The survey targeted specific geological features like volcanic ridges and the deep-sea floor.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Last updated 2026-06-23 00:17:22.145549; freshness should be verified.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Marine geoscience survey using R.V. 'Rig Seismic', acquiring seismic and bathymetric data followed by sediment sampling.
- Time Range
- Survey conducted from 7 January to 4 February, 1992.
- Freshness
- Data originates from a 1992 survey.
- Geography
- Indian Ocean region around Christmas Island (approximately 10°30'S, 105°40'E).