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Alligator’s Samphire uranium ISR trial: hydrogeology and restart notes for engineers

May 11, 2026|

Reviewed by Tom Sullivan

Alligator’s Samphire uranium ISR trial: hydrogeology and restart notes for engineers

First reported on Australian Mining

30 Second Briefing

Alligator Energy’s first five-spot well pattern at the Samphire in‑situ recovery uranium field trial has met its leach and recovery targets, confirming the project’s ISR concept in South Australia’s Frome Basin. The trial used alkaline leach chemistry in a confined sandstone aquifer to recover uranium from the Blackbush deposit, with solution breakthrough and head grade response tracking closely to pre‑trial hydrogeological models. Results will feed into updated resource, flow‑rate and reagent consumption assumptions for the planned Samphire restart study.

Technical Brief

  • Scope remains limited to the first pattern; scale-up effects and long-term aquifer recovery still untested.

Our Take

In our database, Samphire appears repeatedly alongside terms like in‑situ recovery and bankable feasibility study, signalling that Alligator Energy is trying to fast‑track it from trial work to an investment decision rather than treating it as an early‑stage exploration asset.

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Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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