Groote Eylandt in the Northern Territory features a landscape of great age. The dataset, provided by Geoscience Australia, challenges previous interpretations of Tertiary uplift cycles by presenting evidence of Cretaceous sedimentary rocks filling palaeovalleys. It argues the Cretaceous marine transgression was the most significant event, with minimal landscape modification since the late Mesozoic, including an escarpment retreat of less than 500 meters.
Use Cases
- Modeling long-term landscape stability based on evidence of minimal escarpment retreat since the late Mesozoic.
- Analyzing the impact of Cretaceous marine transgression on drainage network development as described.
- Studying palaeovalley formation and sedimentary infilling processes mentioned in the description.
- Reconstructing pre-Cretaceous plateau and lowland plain geomorphology referenced in the data.
Strengths
- Includes a specific, quantified geomorphic observation: an escarpment has retreated less than 500 meters since the late Mesozoic.
- Provides a clear, evidence-based challenge to previous academic interpretations of Tertiary landscape cycles.
- Sourced from Geoscience Australia, a national geological survey organization.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data is delivered in PDF and HTML formats, which may require extraction for computational analysis.
Provenance
- Source
- Geoscience Australia Data
- Time Range
- Cretaceous to present, with focus on late Mesozoic stability.
- Freshness
- Last updated 2026-04-30 12:48:33.860355; freshness should be verified.
- Geography
- Groote Eylandt, Northern Territory, Australia