Alphamin’s tin projects are in North Kivu province, which has been wracked by conflict for three decades.
The police sealed off access to the Buffelsfontein gold mine in Stilfontein several weeks ago to deny the miners access to food and other essentials.
Globally, artisanal and small-scale gold mining accounts for about 20% of annual gold production.
The company says the optimized PFS could be released as soon as the end of this year.
