Taca Taca cha-cha: Rio returns option to Lumina (September 15, 2008)
VANCOUVER — After drilling six holes, Rio Tinto (RTP-N, RIO-L) has taken a pass on Taca Taca, giving its option on the Argentinean property back to Lumina Copper (LCC-V, LCPRF-O). And this, as Lumina…