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News Porphyry gold ore standards
We have just certified six porphyry gold CRM's (AMIS0178 through to AMIS0183).  These are all made out of ore supplied by AngloGold Ashanti; from their Colosa Project in Columbia.  Grades range from 0.55 to 3.14 g/t Au and 0.39 to 0.63 g/t Ag.  The major elements are also certified.  Trace element statistics have also been compiled.

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