A geochemical dataset characterizes deep-sea floor sediments from the northern Lord Howe Rise and Gifford Guyot off eastern Australia. The dataset, published via the Australian Ocean Data Network, includes analyses of mineralogy, organic carbon and nitrogen, and major and trace elements. Surface sediments in the region are described as carbon-lean calcareous oozes.
Use Cases
- Model deep-sea habitats based on sediment geochemical properties mentioned in the description.
- Develop biodiversity surrogates using parameters like chlorin indices and acid-extractable elements.
- Analyze regional geochemical characteristics of calcareous oozes on a deep-sea plateau and seamount.
- Study organic matter reactivity and bio-availability of trace elements in remote marine sediments.
Strengths
- Data includes specific water depth ranges from 1300 to 2423 meters.
- Provides quantitative measurements such as organic carbon content (0.26±0.1%) and chlorin indices (0.62 - 0.97).
- Analyzes a coherent suite of geochemical variables including mineralogy and isotopic compositions.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data may reflect geographic bias inherent to the specific study area.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Scientific study analyzing sediment samples.
- Freshness
- Last updated 2026-06-27 15:59:27.629912; freshness should be verified.
- Geography
- Lord Howe Rise and Gifford Guyot off eastern Australia.