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    Johnson Range gold upgrade: mine design and M&A takeaways for WA project teams

    March 26, 2026|

    Reviewed by Joe Ashwell

    Johnson Range gold upgrade: mine design and M&A takeaways for WA project teams

    First reported on Australian Mining

    30 Second Briefing

    Forrestania Resources has confirmed a 103,500-ounce gold resource at the Johnson Range project in Western Australia, strengthening its case to complete the acquisition from Auris Minerals. The resource upgrade, reported in ounces rather than just grade–tonnage estimates, gives clearer backing for mine planning, pit optimisation and potential toll-treatment scenarios typical for small to mid-scale WA gold operations. For geotechs and miners, the defined inventory sharpens decisions on drilling density, geotechnical pit design and whether to justify further step-out exploration along strike.

    Technical Brief

    • Resource confirmation supports detailed pit wall angle selection and slope design for Johnson Range open pits.
    • Defined ounces enable more rigorous Whittle-style pit shells and cut-off grade sensitivity testing.
    • Inventory clarity allows scheduling of staged pushbacks, haul ramp placement and waste–ore sequencing.
    • Geotechnical drilling can be targeted to final wall positions rather than broad exploration fences.
    • Clear resource size frames whether to adopt contractor mining versus owner-operator fleet for initial phases.
    • Bankable ounces improve inputs for geotechnical risk registers and contingency allowances in project finance models.
    • Similar small WA goldfields projects use such ounce-level resources to justify limited but focused geotech drilling.

    Our Take

    The Johnson Range gold project sits within a Western Australian gold focus where Forrestania Resources has already been expanding its footprint, as seen in the binding deal to acquire multiple WA gold districts from Goldtribe Resources earlier in March 2026, suggesting a deliberate build-out of a multi-asset gold portfolio rather than a single-asset play.

    Within our 1130 Mining stories, Western Australia gold items frequently involve juniors using resource upgrades to underpin M&A moves, so this Johnson Range upgrade likely strengthens Forrestania Resources’ negotiating position on deal terms and access to capital for closing and advancing acquisitions.

    Forrestania Resources now appears in several of the 348 gold-keyword pieces in our database, signalling that the company is becoming a more regular feature in WA gold consolidation coverage and may be moving from pure explorer status towards a more active acquirer-operator profile.

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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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