Xtierra announced that it has entered into an Option and Sale Agreement with Indo Gold Limited for the option and sale of the silver-rich Laguna Pedernalillo transported tailings deposit located near the town of Guadalupe in the State of Zacatecas, Central Mexico.
Further optimization studies have been undertaken and additional leach test work has been carried out with respect to evaluating a static vat leach process using calcium thiosulphate to recover silver, gold and mercury. Results of the test work were with silver, gold and mercury recoveries of approximately 67%, 30% and 72% respectively were achieved
August 15, 2008
Metallurgical test work is continuing to optimize process methodologies.