Marifil Reports Drilling Update on Amarillo Project

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[{"type":"text","content":"Marifil Reports Drilling Update on Amarillo Project\n\n\n\nMarifil Reports Drilling Update on Amarillo Project\n\nSpokane, WA US, April 21, 2008 /FSC/ - Marifil Mines Ltd. (MFM - TSX Venture, MFMLF - OTCBB_Pink_Sheets), is pleased to report that drilling is ongoing on the Amarillo project in San Juan province, Argentina by the company's joint venture partner, ATW Venture Corp. Two core holes have been completed and a third one is in progress.  To date, a total of 1,100 meters have been drilled. Assays are pending for all drill holes and select samples for hole ATW-AM-06 have been sent for rush assay.\n\nA drill hole location map of the 2008 Amarillo Exploration Program is available on the Marifil Mines website. \n\nThe first drill hole of the year, ATW-AM-05 (\"F\" on drill hole map), was collared at the bottom of Quebrada Poposa.  This was a vertical hole drilled to roughly 400 meters.  It was designed to test for potential primary copper mineralization at depth.  The hole drilled through a thick sequence of weakly altered to fresh dacitic tuffs and pyroclastics rocks. At the bottom of the hole fragments of altered quartzite are observed in the clastic unit.  This hole appears to be collared in a down-dropped block of young, post mineral volcanics and did not intersect mineralized lithologies. \t\n\nATW-AM-06 (\"SM-2\" on drill hole map) was drilled on the northern portion of the alteration halo to test for gold mineralization down-plunge along the intersection of northwest and north-northeast trending structures.  The hole had a bearing of S80 degrees W and was drilled at -60 degrees.  The hole encountered vuggy quartz/pyrite veining in various places in the top part of the hole.  These veins are similar to those observed on surface in the road cuts and which are reported to have high gold grades locally.  Further down hole there is a marked increase in silicification of dacitic/andesitic dikes and of the surrounding quartzite with disseminated pyrite from three to five percent and locally up to 10 percent.  Silicification appears to be overprinting earlier alteration events possibly argillization and bleaching.  Additionally, there is also a quartz/pyrite +/- sericite stockwork event that in general increases with dep...

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