Christmas Island, a raised atoll in the Indian Ocean, is the focus of this seabed resource study. The work was conducted by Geoscience Australia's BMR in 1992 using the RV Rig Seismic to support seabed boundary delimitation negotiations. The dataset likely contains information on seabed morphology, bathymetry, and geological resources like phosphate deposits.
Use Cases
- Map seabed morphology and bathymetry based on the cruise's geophysical survey data.
- Assess offshore non-living resource potential based on the study's focus on phosphate deposits and volcanics.
- Model tectonic and uplift processes based on data from the Indo-Australian Plate and Java Trench region.
- Support maritime boundary delimitation based on the study's stated purpose for negotiations.
Strengths
- Study area includes precise geographic details: Christmas Island is 140 km2, up to 20 km across, and sits on a 700 km long submarine rise.
- Data collection is tied to a specific government request (Department of Foreign Affairs and Trade) and cruise (BMR Cruise 107, January 1992).
- Geological context is detailed, including references to oceanic crust, volcanics, limestone layers, and phosphate mining history.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Primary data formats are PDF and HTML, which may require extraction for computational analysis.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Marine geophysical survey conducted during BMR Cruise 107 using RV Rig Seismic.
- Time Range
- Data collection started in January 1992.
- Freshness
- Last updated 2026-03-25 18:04:56.475678; freshness should be verified.
- Geography
- The seabed and offshore area surrounding Christmas Island in the Indian Ocean, including the Christmas Rise and adjacent abyssal plains.