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Sirios Completes Validation Testing of PhotonAssay™ Gold Assay Technology

The management of Sirios Resources Inc. has announced the successful conclusion of its validation testing for the PhotonAssay™ gold assay technology. As previously reported, to assess this novel assay technique, about one hundred core samples from specific areas of earlier drilling at the Cheechoo gold deposit were submitted to MSALABS laboratories in Val-d’Or.

Sirios Completes Validation Testing of PhotonAssay™ Gold Assay Technology

Image Credit: Mark Agnor/

Based on these findings, this technology—which, among other things, has a lesser environmental impact than other widely used analytical techniques—will be utilized to evaluate core samples collected during the most recent drilling operation in 2023.

We are very proud to be using this new technology which has just been introduced in Quebec. Since analyses will be performed on a standard quantity of approximately 500 grams of material, instead of the usual 50 grams used for fire assay, we believe it will be more appropriate for analyzing samples containing coarse free gold (resulting in the nugget effect). In addition, since PhotonAssay™ analysis is non-destructive, it will allow the sample to be used in the future for other tests if required. Finally, the time required to receive our analytical results should be shorter.

Dominique Doucet, President, Sirios Resources Inc.

About Cheechoo Property

Sirios’ 100% owned Cheechoo property is located in Quebec’s Eeyou Istchee James Bay region, roughly 800 km north of Montreal, 200 km east of Wemindji, and less than ten km from Newmont’s Eleonore gold mine.

An indicated resource of 1.4 million ounces of gold contained in 46.3 million tons at an average grade of 0.94 g/t Au and an inferred resource of 0.5 million ounces of gold contained in 21.1 million tons at an average grade of 0.73 g/t Au with significant potential to increase these resources are included in the most recent update of the mineral resource estimate for Cheechoo, which is based on an open pit constrained model.


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