Vancouver, B.C, July 29, 2022. Sanu Gold Corporation (CSE: SANU) (“Sanu” or the “Company”) is pleased to report significantly elevated gold in rock chip samples of up to 12.5 g/t Au from bedrock mineralization recently exposed by artisanal miners at Daina.
- High grades of gold returned from 307 rock chip samples collected from bedrock exposed in artisanal workings at Daina 1, Daina 2 and Daina 6 targets.
- Rock chip samples containing more than 1 g/t Au include grades of 12,5g/t, 8,78g/t, 8,32g/t, 7,55g/t, 7,41g/t, 7,34g/t, 7,04g/t, 7,03g/t, 6,51g/t, 6,1g/t, 5,47g/t, and 5,35g/t Au. (Table 1)
- Workings and gold mineralization are located within extensive termite mound gold anomalies and coincident with a shear zone.
- Mineralization takes the form of intense quartz veinlet development, shearing, and disseminations in the rock between the veinlets.
- Geological and structural mapping indicated that the style of the gold mineralization is similar to that has been reported from the >5Moz Siguiri Gold Mine.
Martin Pawlitschek, CEO of Sanu Gold commented: “We are highly encouraged by the well-developed, wide zones of mineralization exposed by artisanal miners at Daina 1, Daina 2 and Daina 6 targets. The rock chip sampling and small-scale artisanal gold extraction activities clearly show that the kilometer scale gold geochemistry trends at Daina 1, Daina 2 and Daina 6 are formed over significant zones of bedrock mineralization. Given that the local mining activities open only a small fraction of the larger trends, we are confident that the auger drilling will define further zones of bedrock mineralization beneath the laterite cover.”
Details of the rock chips sampling Results and the geological and structural mapping
Geological and structural mapping and rock chip sampling at Daina identified three bedrock gold mineralized zones associated with large termite mound anomalies at Daina 1, Daina 2 and Daina 6 targets (Figure 1).
At Daina 1 (Figure 2), two samples from local working pits returned high gold values including 5,16g/t, and 1,1g/t. Pits are located within the 10km long termite mound gold anomaly and within a NNW-trending shear zone system that control the gold mineralization. Rocks that host the gold mineralization are similar to those from Daina 2 and 6 targets.
At Daina 2 (Figure 3), the main artisanal pit extends for over 200 m along strike and shows widths of up to 50 m. Mining activity on this site started only in recent months and only goes as deep as 10m for now. Many other clusters of local small-scale artisanal pits, exploiting mineralized bedrock, were mapped and sampled along the gold anomaly. The working pits trend NNW within the three-kilometer-long termite mound gold anomaly and are associated with a NNW-trending and shallow east dipping thrust fault zone at the contact between volcanoclastic rocks and sedimentary sequence.
Geological mapping revealed that the gold mineralized zone within the thrust fault zone is a potential three-kilometer-long stockwork and breccia vein system associated with gold dissemination in the wall rock. The stockwork vein are associated with extensive veining and brecciation of the hydrothermally altered host rock. These Quartz-vein stockwerks are heavily targeted by the local miners. Local miners extract coarse-grained gold from the quartz veins and fine-grained gold from the altered saprolite between the veins. (Figure 4).
Analysis of the rock chip samples from the working pits at Daina 2 returned high-grade gold values including 12,5g/t, 8,78g/t, 8,32g/t, 7,55g/t, 7,34g/t, 7,04g/t, 7,03g/t, 6,51g/t, 5,47g/t, 5,35g/t, 4,91g/t, 4,85g/t and 2,56g/t Au.
Geological and structural mapping show that the mode of deformation, the veining and breccia systems and the style of gold mineralization are like those described from the Siguiri Gold Mine located further south-west along a similar NE structural trend.
Daina 6 target is located some 1.5 km west of Daina 2 (Figure 6). Daina 6’s main artisanal mining pit extends for over 150 m along strike and shows width of up to 25 m with mining depths varying between 2 to 5 meters (Figure 5) at the moment. Many other clusters of local working pits are identified along the mineralizing trend for at least a 1km strike length. The working pits are located within the previously defined 1.3 km long termite mound gold anomaly.
Geological and structural mapping demonstrated that the gold mineralization is hosted within a NNW-trending easterly-dipping thrust fault zone that affected coarse-grained sandstone of the sedimentary sequence. Gold is associated with a zone of strong hydrothermal alteration and quartz vein stockwork and breccia zones in some places forming gossans in the weathered profile and affecting the coarse-grained sandstone rock. These stockwerks veins and breccia zones are target areas for artisanal mining and contain high-grade gold mineralization as demonstrated by Sanu’s rock chips sampling.
Analysis of the rock chip samples from the working pits at Daina 6 returned high-grade gold values including 5,16g/t, 3,35g/t, 1,28g/t, 7,41g/t, 1,19g/t, 6,1g/t, 4,48g/t, 3,18g/t, 1,97g/t, 1,91g/t and 1,77g/t Au.
The company is in the final phases of completing a >15,000m auger drill sampling program over the Daina 1, Daina 2 and Daina 6 anomalies and is in the final phases of compiling assay results for the definition of bedrock gold anomalies. Review of all data including the auger results will lead to the company’s maiden RC drill testing program at Daina.
Table 1: Best rock chips sampling results from the Daina gold project (Au> 1g/t)
Best Gold Assay Results on Daina 1 Trend > 1 g/t Au.
Best Gold Assay Results on Daina 2 Trend > 1 g/t Au
Best Gold Assay Results on Daina 6 Trend > 1 g/t Au.
Sampling was completed following industry best practices, conducted under the supervision of the Company’s project geologists and the chain of custody from the project to the sample preparation facility was continuously monitored. An appropriate number and type of certified reference materials (standards) and blanks amounting to 5% of the total number of samples shipped to the laboratory was inserted approximately every 20th sample to ensure an effective QAQC program. Data verification of the analytical results included a statistical analysis of the standards and blanks that must pass certain parameters for acceptance to ensure accurate and verifiable results. All samples were analyzed using Fire Assay geochemical analysis ‘FAA505′ at the SGS Laboratory in Bamako, Mali. SGS is an independent, internationally recognized and certified commercial laboratory.
The technical or scientific information in this press release has been reviewed and approved by Serigne Dieng, PhD., M.Sc., AIG, Exploration Manager of the company’s three projects, who serves as a qualified person under the definition of National Instrument 43-101.
About Sanu Gold
Located within the world class Siguiri Basin, host to several operating mines, Sanu is exploring three high quality gold exploration permits in Guinea targeting multi-million ounce gold discoveries. The company has defined kilometer scale gold bearing structures on each of the permits with multiple high-value drill targets. Sanu is operated by a highly experienced team with successful records of discovery, resource development and mine permitting.
President & CEO, Sanu Gold Corp