A geological report details the investigation for a hydroelectric scheme near Port Moresby. The study involved outcrop mapping and seventeen diamond drill holes to assess rock competency and foundation suitability for a penstock route and power station. The report was published by Geoscience Australia Data and was last updated on 2026-05 06.
Use Cases
- Assessing foundation stability for power station construction based on rock competency descriptions.
- Planning penstock routing to avoid unstable scree slopes based on the reported thirty-foot depth of boulders.
- Evaluating geological hazards like jointing and minor shearing mentioned in the site investigation.
- Comparing alternative low-pressure penstock routes based on the ongoing investigation described.
Strengths
- Report includes specific geological details such as rock types (volcanic agglomerate, tuffs, basal conglomerate) and structural features (jointing, minor shearing).
- Investigation methodology is described, involving seventeen diamond drill holes and outcrop mapping.
- Specific problem areas are identified, such as the upper scree slope with boulders up to thirty feet deep.
Limitations
- Row count is unknown, which may limit suitability assessment.
- Column-level documentation is absent; field semantics must be inferred after download.
- Data is provided as PDF/HTML documents, which may require manual extraction for analysis.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Outcrop mapping and diamond drill hole investigation.
- Time Range
- null
- Freshness
- Last updated 2026-05-06 17:35:17.014693; freshness should be verified.
- Geography
- Port Moresby hydroelectric scheme area, likely Papua New Guinea.