lunes, 2 de mayo de 2011

Greystar Releases Positive Scoping Study for Angostura



Fuente:PR-USA.Net

Greystar Resources Ltd. (TSX:GSL)(AIM:GSL) ("the Company") is pleased to announce receipt of a positive scoping stage Preliminary Assessment under National Instrument 43-101 ("Scoping Study") for an underground only operation at its 100%-owned Angostura gold-silver project in northeastern Colombia. The Technical Report entitled "Mineral Resource Estimate and Preliminary Economic Assessment for Underground Mining, Angostura Gold-Silver Project, Santander, Colombia" prepared by Rodrigo Mello, MAusIMM, Carlos Guzman, MAusIMM (NCL Ingeniería y Construcción Ltda.), John Wells, FSAIMM, Giovanny Ortiz, MAusIMM (Greystar) and dated April 25, 2011.

The Scoping Study, which evaluated roasting, bio-oxidation ("BIOX") and pressure oxidation ("POX") processing treatments for the production from Angostura underground resources, estimated that 1.9 million ounces of gold, 7.7 million ounces of silver and 228,316 pounds of copper could be produced over a 14-year mine life.

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