The technical report presents metallurgical testwork history and proposed processing design for the Zgounder silver project in the Kingdom of Morocco.
Report context
This technical report with an effective date of December 13, 2021, and signing date of January 28, 2022, concerns the Zgounder Silver Project located at UTM NAD83 Zone 29N coordinates 6,199,930 m E and 3,400,170 m N, at longitude 7° 44' 50" W and latitude 30° 43' 42" N in the Kingdom of Morocco. The report was prepared for Aya Gold & Silver Inc.
Processing route
Existing Flotation Plant
The report documents an existing flotation plant at the Zgounder site. No flowsheet details, performance data, or design specifications for this plant are provided in the report sections that were made available for this summary.
Existing Cyanidation Plant
The report references an existing cyanidation plant at the Zgounder site. No flowsheet details, performance data, or design specifications for this plant are provided in the report sections that were made available for this summary.
New Treatment Plant No. 3
The report states that a "New Treatment Plant No. 3" is proposed. No flowsheet details, design specifications, performance projections, or planned capacity for this new plant are provided in the report sections that were made available for this summary.
Previous Metallurgical Testwork
The report summarises a series of historical metallurgical testwork programs conducted by various organisations. These include testwork by Bureau de Recherche et Participation Minière (BRPM) in 1978, Bureau de Recherche Géologique et Minière (BRGM) in 2003, Zgounder's Laboratory in 2015, Yantai Xinhai Mining Research and Design Co., Ltd in 2016 and 2017, SGS Mineral Testwork in 2019, and Multi-disciplinary Digital Publishing Institute (MDPI) published testwork in 2019. A Preliminary Economic Assessment (PEA) testwork summary is referenced. Specific testwork methods, results, or recoveries for these programs are not detailed in the report sections that were made available for this summary.
2021 Metallurgical Testwork Sample Selection and Testwork
The report notes that 2021 metallurgical testwork sample selection and testwork were conducted. No details on sample selection methodology, testwork procedures, or results are provided in the report sections that were made available for this summary.
Key reported parameters
| Parameter | Value | Basis |
|---|---|---|
| Report effective date | December 13, 2021 | Technical report date |
| Report signing date | January 28, 2022 | Technical report date |
| Project location (UTM) | 6,199,930 m E, 3,400,170 m N | Surveyed coordinates |
| Project location (geographic) | 7° 44' 50" W, 30° 43' 42" N | Surveyed coordinates |
| Existing processing facilities | Flotation plant and cyanidation plant | Historical operating data |
| Proposed processing facility | New Treatment Plant No. 3 | Proposed design |
| Historical metallurgical testwork | BRPM (1978), BRGM (2003), Zgounder Laboratory (2015), Xinhai (2016, 2017), SGS (2019), MDPI (2019) | Historical testwork |
| 2021 metallurgical testwork | Sample selection and testwork conducted | 2021 testwork basis |
Technical qualifications
The report sections made available for this summary do not include flowsheet details, performance data, recoveries, economics, ownership information, current project status, or external links. No flowsheet diagrams, process design criteria, or mass balances are presented in the available sections. Qualified person names are not included in this summary in accordance with instructions.
Source: "Technical Report and Updated Mineral Resource Estimate of the Zgounder Silver Project, Kingdom of Morocco," Aya Gold & Silver Inc., NI 43-101 & 43-101F1, P&E Mining Consultants Inc. Report 415, effective date December 13, 2021, signing date January 28, 2022. Relevant sections: 1.9 Recovery Methods, 1.11 Conclusions and Recommendations, 13.0 Mineral Processing and Metallurgical Testing, 17.0 Recovery Methods.
