Blue Hole Geomorphology and Sedimentology in the Pompey Reefs, Great Barrier Reef

Geoscience Australia Data provides a study of two drowned dolines, or blue holes, located at Cockatoo and Molar Reefs within the Pompey Reefs of the Great Barrier Reef. The dataset likely contains detailed morphological measurements, including diameters of 240-295 meters and depths of 30-40 meters, alongside descriptions of biological and sedimentary associations. It was last updated on 2026-04-20.

Use Cases

• Modeling karst formation processes based on described dimensions and slope angles.
• Analyzing sediment infill patterns based on descriptions of sediment fans and terraces.
• Studying coral reef development and zonation based on descriptions of profuse living coral rims.
• Investigating sea-level change impacts on coastal geomorphology based on the inferred multi-stage formation history.

Strengths

• Provides specific, quantitative morphological data, including diameter ranges of 240-295 meters and depth ranges of 30-40 meters.
• Includes detailed qualitative observations on slope angles (60-70°, 45°), sediment features, and biological associations.
• Based on field studies, including seismic refraction, which identified a pre-Holocene surface at 8.5-11 meters depth.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is presented in PDF/HTML formats, which may require extraction for computational analysis.

Provenance

Source

Geoscience Australia Data

Collection Method

Field observations and seismic refraction studies, as described.

Freshness

Last updated 2026-04-20 03:32:46.584915; freshness should be verified.

Geography

Cockatoo and Molar Reefs, Pompey Reefs, Great Barrier Reef