Metal Tiger PLC (AIM:MTR) said Sandfire Resources has announced a standout intersection from 439m down-hole of 45m at 2.2% copper.
The hole was 1.2km southwest of the recently upgraded A4 Mineral Resource.
Metal Tiger has a 2% uncapped net smelter royalty over 8,000 sq km of Sandfire's licence holdings in the Kalahari Copper Belt including the project area that hosts the A4 deposit.
The junior also holds approximately 3.4% of Sandfire’s issued share capital.
Michael McNeilly, Metal Tiger’s chief executive, said: “It is hugely encouraging to see Sandfire's continued progress in the Kalahari Copperbelt at T3 and in particular A4.”