*US-based mining company Golden Minerals has announced the sale of its wholly owned subsidiary Silex Argentina, which operates the El Quevar silver project in Argentina’s north-western province of Salta. In a statement, Golden Minerals stated it had sold Silex to Canadian firm Butte Energy for US$3.5m, of which US$1m had previously been paid. On closing the transaction, Butte Energy changed its name to Argenta Silver Corp. Golden Minerals continues to hold an interest in several remaining exploration properties, including Sarita Este/Desierto, a gold, silver, and copper exploration project also located in Salta.