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Featured Project
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The New Morenci project is located two kilometres north of Freeport-McMoran’s Morenci copper mine (6Bt at 0.42% copper) in Arizona - one of the world’s largest producing copper mines.  Mineralisation at Morenci occurs in a continuous enriched blanket averaging 130m in thickness over an area of about 19 square kilometres. The mineralisation is overlain by an average thickness of 80m of leached capping and 100m of partially leached rocks. Global Geoscience considers that geological mapping in the district indicates that Global’s New Morenci claims may cover a fault off-set of the Morenci mineralisation.

A zone of anomalous rock chips, similar in copper content to the leached cap overlying the Morenci mineralised blanket, occurs in a 600m by 400m zone in the southeast of the Global claim block. Further, wide spaced anomalous samples occur over a larger area within an area of copper anomalous soil samples. The soil anomalism may be partially due to contamination from mining and smelting at Morenci. This zone contains Proterozoic granite and Laramide diabase with alteration characterised by patches of secondary biotite, which is itself partially replaced by later chlorite. This alteration is probably indicative of potassic alteration, which is likely to occur towards the centre of a primary mineralisation system. Global geologists consider that the project has the potential to contain a significant tonnage of leachable copper mineralisation. Further immediate exploration will extend the detailed geological mapping and rock chip sampling. It is considered likely that this work will lead to the definition of several drill targets.


 


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