July 18, 2023 (Investorideas.com Newswire) Arizona Silver has found more coarse gold in high grade drill sites on the Philadelphia project. Read more to see how the company conducted the re-assay project and how much gold was revealed.
Arizona Silver Exploration Inc. (AZS:TSX; AZASF:OTC) has announced positive results from its re-assays on the Philadelphia epithermal gold project. The re-assays were carried out by the metallic screen procedure on selected drill hole intervals. The highest grade interval showed the largest grade increase at 42.2% (51g/t to 72.5g/t) gold. 24 samples, all from the reverse circulation drilling campaign from spring of 2023, of high- and low-grade material were re-assayed if they contained visible gold.
According to Greg Hahn, the Vice President of Exploration at Arizona Silver, “Re-assaying of samples with coarse gold is a normal industry practice to gauge if grades are being underestimated simply because a standard 30-gram sample for fire assay can miss coarse gold that might not be represented in a 30-gram split. Re-assaying on 24 samples is considered statistically meaningful as we assayed both higher and lower-grade material. For all 24 samples, the average grade increased by 25.9%.”
Metallic screen assays and duplicate re-assays were run to assess the potential for coarse gold that is not adequately represented in standard 30-gram fire assay analyses. The results show the high-grade intervals contain coarse gold. The results show a dramatic grade increase for samples with initial grades of about 4-5g/t gold. The highest-grade sample, found in drill hole PRC23-97, returned a grade of 72.5g/t gold in metallic screen analyses, which is a 42% increase from the initial 51g/t gold findings.
For that sample, grades of 65 and 74.8g/t gold were returned upon re …
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