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BCGold Corp. Hyperspectral Results Further Support for Large Porphyry-Breccia-Vein System at Pucacorral
VANCOUVER, BC / ACCESSWIRE / December 16, 2016 / BCGold Corp. (TSXV: BCG) ("BCGold" or the "...
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[{"type":"text","content":"BCGold Corp. Hyperspectral Results Further Support for Large Porphyry-Breccia-Vein System at PucacorralVANCOUVER, BC / ACCESSWIRE / December 16, 2016 / BCGold Corp. (TSXV: BCG) (\"BCGold\" or the \"Company\") is pleased to announce results of a spectral analysis study performed on grab and channel samples collected and previously reported at the Company's 100% owned Pucacorral property in central Peru (See BCGold News Releases dated November 15th, December 5th and December 8th, 2016).\nRecent developments in hyperspectral sensor technology allows for the discrimination of complex alteration assemblages associated with intrusive-related porphyry mineralizing systems. Geologists can use this information to develop 3-Dimensional alteration models and exploration vectors to the most prospective copper and gold mineralization \"shells\" of a porphyry system.\nPucacorral spectral results confirm the presence of a large, zoned hydrothermal alteration imprint associated with porphyry-type mineralization in the central portion of the Pucacorral property. The presence of a distinct, high-temperature white-mica mineral assemblage (paragonite-muscovite) observed only at the lower-most, copper-rich Sairita breccia veins, provides further support this vein system is in close proximity to the porphyry centre. \nhttp://www.bcgoldcorp.com/all_images/Pucacorral-geology-3D-View.jpg. Alteration mineral assemblages corroborate BCGold's current understanding of the Pucacorral mineralized system and provide further exploration vectors to pinpoint the location of the mineralized porphyry center at Pucacorral. \nBCGold performed spectral analysis on 94 rock chip channel samples and 24 breccia/vein grab samples from the San Mateo and Sairita mines utilizing a spectrometer and aiSIRIS™ interpretation software at ALS Chemex. \nPucacorral Porphyry System \nBCGold Corp. previously reported the discovery of a porphyry intrusive centre and copper porphyry-style alteration within an area measuring at least 1.5 kilometres by 1.5 kilometres at Pucacorral. BCGold mapped and sampled five previously mined polymetallic breccia veins at the San Mateo mine over a vertical range of 175 metres and found evidence of a vertical metal zonation within that range. This profile shows higher lead and zinc values at higher elevations, giving way to an increase in breccia-...