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Great Southern Mining discovers large intrusive gold system at Leichhardt Creek Prospect in Queensland

The Edinburgh Park Project is a greenfields exploration project in the target generational phase, considered prospective for porphyry copper-molybdenum, intrusive related gold systems deposits and epithermal gold-silver deposits.

Great Southern Mining Ltd - Great Southern Mining discovers large intrusive gold system at Leichhardt Creek Prospect in North Queensland
The Edinburgh Park Project is in north Queensland adjacent to Evolution Mining’s (ASX:EVN) Mt Carlton Gold Project

Great Southern Mining (ASX:GSN) has discovered a large geochemical soil anomaly at Leichhardt Creek prospect after recent mapping and geochemical sampling at the Edinburgh Park Project in north Queensland.

The geochemical survey work, the first of its kind undertaken over a 10 square kilometre area north of Beaks Mountain, comprised 652 soil samples and 11 rock ship samples.

Results mapped a vast geochemical alteration system consistent with an intrusive related gold system (IRGS) exhibiting strong associated metal content.

The geochemical character of the Leichhardt IRGS exhibits well-defined gold-silver-antimony-arsenic-copper-bismuth-molybdenum-zinc-lead anomalism signatures and shows characteristic multi-element metal zonation trends.

“Hugely successful in uncovering anomalisation”

Chief operating officer Mark Major said: “This is the first systematic soil geochemistry and mapping program over this area and it has been hugely successful in uncovering the anomalisation signature of a large intrusive-related gold system.

“The prospect has all the technical attributes of a major IRGS exhibiting strong metal content.

This as a significant step toward potentially discovering that Tier-1 deposit.”

Focus on defining full extent of system

Major said the results presented a clear set of geochemical pathfinder elements within this system which could be applied along with typical geophysical and geological features, to propel the company’s exploration efforts onto the gold-bearing zones.

“Our focus here will now be on defining the full extent of this system through expanding the geochemical program and utilising geophysical methods to start defining this system in three dimensions while we undertake more geochemical and mapping programs over other priority target areas within the extensive 1,062 square kilometre landholding.”

Next steps

Additional mapping and additional soil geochemistry survey to the south to encompass the full extent of the mineralised system will be undertaken at this project.

Several priority areas will be the focus of additional geophysical methods to explore and interpret the system at depth to advance the prospect to an exploratory drilling stage.

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