Great Southern Mining continues to rack up early exploration successes at its emerging Edinburgh Park project in northern Queensland with rock chip sampling returning exceptional grades of gold, silver and copper.
The company said that rock chip samples taken from weathered and oxidised gossanous outcrop at the SW-1 prospect returned peak results of 10.6 grams per tonne gold, 315g/t silver and 1.95% copper.
In addition, most of the rock samples had highly elevated zinc while some have elevated levels of lead.
Mapping has also delineated outcropping mineralisation and alteration with individual linear stockwork breccia zones of up to 10m wide and over 500m in length.
Management said the evidence of high-grade gold and silver had enhanced the prospectivity of the SW-1 prospect while the metal association reflected in the rock chip assays suggests a close connection to the broader porphyry system at Leichardt Creek.
This further highlights the gold and copper potential at the Leichardt Creek project, where surface rock chip samples have returned up to 0.56% copper, 0.12g/t gold and 0.46% molybdenum.
Further mapping and sampling programs are underway to better define the SW-1 polymetallic prospect.
Great Southern Executive Chairman John Terpu said: “The Edinburgh Park project continues to deliver encouraging results that highlight the high prospectivity of the area.”
“Exploration has now established multiple areas of hard rock prospects for gold, silver and base metals (Cu, Pb and Zn) within a 5km radius and the results continue to build on the regional trends, where the company has already unearthed a large stockwork porphyry system and associated breccias.”
“The company has large amounts of contiguous tenure from 20km to within 5km of the Mt Carlton Mine. To date only 10% of the tenure has been explored so the team is excited about the 2019 exploration programs planned on the vastly underexplored project.”
Earlier this week, Great Southern discovered a new hydrothermal breccia intrusion with elevated gold and silver mineralisation within Edinburgh Park.
The Rocky Ponds breccia prospect contains a prospective-looking felsic porphyry “pipe” that is exposed over 100m long and 60m wide and returned rock chip sample results up to 0.38g/t gold and 6.9g/t silver right at the surface.
Notably, the dimensions of the new pipe are not dissimilar to Resolute Mining’s Welcome breccia deposit located 40km to the west, which holds 208,000 ounces of gold.
By Matt Birney
