Christmas Island, an Australian territory in the Indian Ocean, is the focus of a marine geoscience investigation. The dataset likely contains results from a 28-day cruise in 1992, collecting high-resolution seismic and bathymetric data over 2500 km. The project aimed to assess seabed morphology, sediment thickness, and offshore mineral resources like manganese nodules and crusts.
Use Cases
- Mapping seabed morphology based on bathymetric and seismic reflection data mentioned in the description
- Estimating sediment thickness and facies for regional geological mapping based on seismic data
- Assessing manganese nodule abundance and metal grade (Cu, Ni, Co) on the deep-sea floor
- Evaluating manganese crust thickness and metal grade on volcanic ridges
- Supporting negotiations for seabed boundaries based on offshore resource assessments
Strengths
- Data collection covered 2500 km of high-resolution reflection seismic and bathymetric tracks
- The cruise was a dedicated 28-day geoscience mission from January to February 1992
- The description provides specific geological context, including sediment thickness (100-300m) and nodule metal grades (Cu+Ni+Co ~2.55%) from a comparable site
Limitations
- Column-level documentation is absent; field semantics must be inferred after download
- Row count is unknown, which may limit suitability assessment
- Last updated 2026-05-05 02:16:15.170735; freshness should be verified
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Data acquired during a research cruise of R.V. 'Rig Seismic' using high-resolution reflection seismic and bathymetric equipment, followed by sampling campaigns.
- Time Range
- Cruise conducted from 7 January to 4 February, 1992.
- Geography
- Christmas Island and its surrounding offshore zone in the Indian Ocean, approximately 10°30'S and 105°40'E.