Sierra Iron Ore Corporation is pleased to provide an update on the legal action in conjunction with “Aztec Zinc de Mexico S.A. de C.V” against a neighboring company that owns and operates a mine on adjacent property to the Mazomique property that is located south of the El Creston property.

Santacruz Silver Mining Ltd. reports that diamond drilling on the Transversales vein, at its San Felipe Project in Sonora State, Mexico has confirmed continuity of a new vein both along strike and to depth. The Transversales vein was originally discovered during a surface mapping program in 2011 and had never been drill tested until this current drill program. To date, 21 holes have been completed on the Transversales vein with assays received for eleven of these holes. Core logging of the remaining holes has confirmed that the vein has been intersected in the remaining holes but assays are pending. Based upon the drilling completed to date, the Transversales vein can be traced over a strike length of 200 meters and to a depth of 240 meters. It remains open along strike in both directions and to depth.

Big North Graphite Corp. is pleased to announce that the Company has completed a third consecutive month of amorphous graphite sales. The month’s sales totaled 197 tons, with the graphite screened to a ¾ minus product at the Company’s processing facility located in Sonora, Mexico. The finished graphite product was sold and delivered to a customer within Mexico. Further, the Company is nearing completion of its previously announced processing facility (see News Release dated April 22, 2013).

Catalyst Copper Corp. announces it has entered into a non-binding letter of intent with TeckResources Limited to modify the terms of an agreement dated April 9, 2013 for the acquisition of the La Verde project by Catalyst subject to completion of formal documentation and appropriate approvals, including TSX-Vapproval.

Minera Frisco, controlled by Mexican billionaire Carlos Slim, has been given the green light to search for gold in Mexico. In a controversial decision, Mexico’s Ministry for the Environment and Natural Resources (Semarnat) approved an environmental study last week authorizing Frisco’s Las Espejeras mine to conduct gold exploration activities. The October 3 authorization, which does not include gold extraction, will last two years and begin this month.