A geological analysis of long-term landscape evolution on Groote Eylandt in the Northern Territory. The description argues the Cretaceous marine transgression was the most important event, altering drainage and preserving a landscape form since the late Mesozoic. The dataset is provided by the Australian Ocean Data Network and was last updated in May 2026.
Use Cases
- Model landscape evolution based on evidence of Cretaceous sedimentary infilling of palaeovalleys.
- Analyze drainage network persistence based on the description of a new stream network developing since the Cretaceous.
- Study escarpment retreat rates based on the mention of less than 500 meters of retreat since the late Mesozoic.
- Reconstruct paleogeography based on the interpretation of repeated cycles of uplift and erosion during the Tertiary.
Strengths
- The description provides a specific geological argument centered on the Cretaceous marine transgression.
- It includes concrete spatial references to Groote Eylandt and its traversing escarpment.
- It cites a measurable fact: an escarpment has retreated less than 500 meters since the late Mesozoic.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data files are in PDF and HTML formats, which may not be directly machine-readable for analysis.
Provenance
- Source
- Australian Ocean Data Network
- Time Range
- Cretaceous to present, with focus on late Mesozoic persistence.
- Freshness
- Last updated 2026-05-05 00:10:38.144951; freshness should be verified.
- Geography
- Groote Eylandt, Northern Territory, Australia