VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 03/26/13 -- International Northair Mines Ltd. (TSX VENTURE: INM) (the "Company" or "Northair") is pleased to provide an update of the ongoing exploration program underway at its La Cigarra silver project ("Property"), located in north central Mexico.
Since the Company acquired the Property, exploration had been concentrated mainly in the northern half of the open 6.5 kilometre long La Cigarra mineralized system. Within the trend, drilling has outlined a continuously mineralized portion with a strike length of approximately 3.6 kilometers defined by the results of 154 drill holes. In February, utilizing only a 2.1 kilometre segment comprising the San Gregorio and Las Carolinas areas, the Company reported a measured and indicated mineral resource estimate of 50.5 million ounces of silver grading 76 g/t silver (see INM PR#13-05 dated February 26, 2013) contained in a Whittle pit shell at an economic cutoff grade of 30 g/t silver. Significant quantities of mineralized material existing along strike and down dip were excluded from the resource estimate in areas where drill-hole density was not sufficient to bring mineralization into the pit shell boundary.
Future drilling efforts will focus on this known area, as well as other immediate exploration targets including those outlined below. For an update summarizing the La Cigarra silver project, please refer to the Company's press release dated February 13, 2013.
Recent surface exploration by the Company has concentrated on the largely unexplored southern 3.5 kilometre portion of the system that lies on trend and immediately south of the Las Carolinas Zone. This work led to the discovery of three (3) new zones (Las Venadas, La Soledad and La Chinas). Please click the following link to view the location of the new zones:
Each zone hosts a cluster of historic mine workings evenly spaced along the north-south trending mineralized system and exhibit geological similarities to the three (3) main La Cigarra showings to the north (La Borracha, San Gregorio and Las Carolinas). Surface sampling within these new zones returned significant silver values and Northair believes that the Las Venadas, La Soledad and La Chinas zones all have potential for both high grade veins and bulk tonnage surface mineable silver deposits.
Las Venadas, located 500 metres south of Las Carolinas, hosts multiple historic mine workings including a 20 metre deep shaft and two shallow prospect pits. Initial rock chip sampling here returned important silver values over an area measuring 230 metres by 90 metres. Nineteen of thirty three samples exceeded 20 g/t silver including a high of 233 g/t silver. The remaining fourteen samples returned values ranging from 1.1 g/t to 17.5 g/t silver. Follow up sampling confirms the presence of a north by northwest trending silver bearing structural zone measuring 700 meters long by 200 meters wide. This large mineralized area represents a high priority drill target. In addition, a second area with anomalous surface silver values up to 34 g/t silver occurs 300 metres west of the Las Venadas main trend. Based on the alignment and positioning of the scattered anomalous silver values to the northwest the Company believes that a parallel mineralized structure may exist on the western limb of the La Cigarra anticline.
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