Four ferromanganese samples (two nodules and two crusts) collected by the West German vessel Sonne are analyzed. Three samples came from dredging on the flanks of the Dampier Ridge at 2400-2700 m depth, and one from a core on the Lord Howe Rise at 1549 m depth. The data includes chemical and mineralogical measurements, presented by the Australian Ocean Data Network.
Use Cases
- Analyze chemical composition trends based on Mn:Fe ratios and Ni, Cu, Co content
- Compare mineral deposit morphology based on descriptions of nodules and crusts
- Model the relationship between deposit characteristics and water depth based on comparisons with deeper stations
- Identify potential areas for economic exploration based on depth and composition thresholds mentioned
Strengths
- Specific depth ranges provided for each sample location (2400-2700 m and 1549 m)
- Chemical ratios and percentages are quantified (Mn:Fe ratios 0.48-0.91, Ni+Cu+Co values)
- Deposit thicknesses are reported (up to 20 cm)
Limitations
- Row count is unknown, which may limit suitability assessment
- Column-level documentation is absent; field semantics must be inferred after download
- Data may reflect geographic bias inherent to data_gov_au
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Samples collected via dredge and core by the West German vessel Sonne
- Freshness
- Last updated 2026-04-16 16:06:59.901437; freshness should be verified
- Geography
- Dampier Ridge and Lord Howe Rise off eastern Australia