Miramar Resources has doubled the gold exploration target for its Gidji Joint Venture (JV) Project, located roughly 15km north of Kalgoorlie-Boulder in Western Australia (WA).

The revised estimate reflects results from recent drilling across targets including Marylebone, Blackfriars, Powerline, Highway and Railway.

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The latest exploration target is based on data collected from a subset of the company’s drilling, which included 939 aircore holes totalling 53,362m, 26 reverse circulation (RC) holes covering 4,007m and one diamond hole at 190.75m.

Miramar also used historical drilling data. The updated estimate does not take into account areas such as 8 Mile, Boorara North, Lake or Claypan due to recent limited drilling activity.

Drill spacing averaged 100m × 50m, extending to 400m × 100m in certain locations.

Aircore drilling depths ranged from 11m to 108m, with an average depth of 56m.

From August 2021, Miramar adjusted its sampling procedures to reduce the inclusion of overlying paleochannel sediments.

The company sees further opportunity for additional gold mineralisation through deeper drilling into primary bedrock structures and by exploring areas outside the presently defined paleochannel.

Plans for the site include commissioning a resource geologist to determine Joint Ore Reserves Committee-compliant mineral resources and preparing a mineralisation report for a potential mining lease application.

Miramar managing director Marion Bush said: “This update has been estimated using actual drilling and assay data and has more than doubled the gold exploration target at Gidji, with further potential identified in areas with little or no deep drilling to date.

“This gives us reason to believe there is potential for a significant maiden mineral resource estimate and we are currently working with resource geologists who are reviewing our drilling data.”

The Gidji JV Project is 80%-owned by Miramar and is among three projects the company operates in WA’s Eastern Goldfields province.

The site covers roughly 15km along the Boorara Shear Zone, an area associated with multiple gold deposits extending in both directions.

In October last year, the company finalised a binding sale agreement for its Randalls project, situated around 70km east of Kalgoorlie, WA.