Results from the 70:30 joint venture with Venus Metals Corp included 17m grading 5.14 grams per tonne gold from the Link prospect, an area previously modelled as low-grade.
Further assays from diamond core and RC drilling are pending.
Drilling is ongoing.
The resource at Youanmi currently stands at 1.7 million ounces from mineralisation grading an average of 2.85gpt.
Feasibility work is underway.
Rox started the current quarter with cash and receivables totalling A$15 million.
Shares in Rox were up 6% to 42.5c, capitalising company at $67 million.
Shares in Venus were unchanged at 17.5c, capitalising it at $26 million.
