Superior Gold Inc. (TSX-V: SGI) is pleased to announce high-grade drill results from its ongoing underground diamond drill program at its 100%-owned Plutonic Gold mine in Western Australia. Plutonic is a world-class Archean lode-style gold mineralized system that has produced close to six million ounces of gold to date and encompasses a Measured and Indicated Mineral Resource of 1.89 million ounces together with an Inferred Mineral Resource of 3.07 million ounces. The Company’s continuous exploration effort underpins a commitment to resource growth.
Results are provided for 18 underground exploration and infill drill holes for a total of 2,143 metres of drilling. Significant intercepts (intercepts above 4.5 gram-metres) were recorded in 78% of the holes drilled, representing a very strong hit ratio. Drilling during April 2021 was focused on extending and infilling the Baltic Gap mining front which has yet to be fully drill tested.
The location of this drilling is shown in Figures 1-3 below. The key intersections are shown in Table 1 below and all intersections are provided in Table 2. Reported intersections are over a minimum downhole length of 0.30 metres (0.20 metres true width).
Tamara Brown, Interim CEO of Superior Gold stated: “We continue to demonstrate the continuity and high-grade nature of the mineralized gold system at Plutonic. Today’s drilling results show continued growth of the new Baltic Gap mining front, which now extends over an interpreted strike length of 350 metres and up to 200 metres down dip, while remaining open along strike and at depth (refer to the News Release dated March 29, 2021). Results such as drill hole UDD24342, which intersected 14.8 g/t gold over 13.4 metres, give us further confidence in mining higher grades at Plutonic in the future.
Results to date support our view that the Baltic Gap is an important new area of production at Plutonic. The Baltic Gap results are now drilled at an average spacing of 20 metres, but are not yet included in our current Mineral Resource estimates.
The expansion into new mining fronts is a key component of our current strategy to extend Plutonic’s mine life and increase production by further improving both our mining grades and efficiencies. We look forward to continuing to update the market on our ongoing drill program which has just completed a drilling campaign in the Baltic West zone, focused on expanding the Western Mining Front. This includes following up on results from the first quarter of 2021, which included 13.7 g/t gold over 8.8 metres (hole UDD23656) (refer to the News Release dated March 1, 2021).”
EXTENSION OF THE BALTIC GAP MINING FRONT
Superior Gold’s mine exploration program is designed to open new mining fronts by targeting extensions of high-grade mineralization that are close to existing infrastructure but outside of the current Mineral Resource estimate. Numerous significant historical high-grade intercepts, both throughout and peripheral to the large mineralized Plutonic system, have yet to be followed up. The immediate focus is on expanding two key areas to open new mining fronts, these being: 1) The Western Mining Front (along the Caspian, Indian and Baltic zones); and 2) The Baltic Gap as shown in Figure 4.
The Baltic Gap Mining Front extends approximately 700 metres along the northern edge of the Baltic zone of the Plutonic orebody and remains open, with several historic high-grade intercepts indicating continuity of mineralization outside of the current Mineral Resource envelope (Figure 4).
Drilling in 2020 identified significant high-grade mineralization north of the Baltic zone, including 40.4 g/t gold over 6.5 metres (hole UDD22310) (refer to the News Release dated June 24, 2020). Drilling in the first quarter of 2021 further extended this new Baltic Gap zone of mineralization, including 21.8 g/t gold over 8.3 metres and 13.4 g/t gold over 5.0 metres (hole UDD23880) (refer to the News Release dated March 29, 2021). The Company believes that today’s drill results confirm that high-grade zones of mineralization now continuously extend approximately 200 metres northwards into the Baltic Gap zone, along a strike length of 350 metres (Figure 2). Results include 14.8 g/t gold over 13.4 metres (hole UDD24342).
A key implication of these results is that the data supports the theory that the highest grade mineralization at Plutonic is controlled by the northwest trending faults. Multiple downhole intercepts confirm typical Plutonic mineralization which comprises a high-grade stacked lode system. These drill results are adjacent to existing infrastructure which translates to minimal capital expenditures required to infill drill and develop the area.
Importantly, today’s results also continue to infill the gap between the Baltic zone and Baltic Extension zone, encouraging Management that the mineralization continues between the two zones minimizing the capital required to access the Baltic Extension zone. A separate mining front in the Baltic Gap would be established while accessing the Baltic Extension zone. The Baltic Extension zone is an area of future development for the Company which currently contains 26,000 ounces of Measured and Indicated Mineral Resources and 102,000 ounces of Inferred Resources and is open on strike and dip.
Table 1: Highlights of Second Quarter 2021 Drill Results from Baltic Gap
|Drill Hole #||Easting (Mine Grid)||Northing (Mine Grid)||Drill hole collar RL (Mine Grid)||Dip (degrees)||Azimuth (degrees, Mine Grid)||End of hole depth (m)||Downhole From
|Downhole To (m)||Downhole Intersection (m)||Au (gpt) uncut||Est True Thickness (m)|
|Note: Mine grid co-ordinates shown.|
Table 2: Complete Second Quarter 2021 Drill Results from Baltic Gap
|UDD24343||3897||11806||833||60||282||41||No significant Intercepts|
The technical report supporting the mineral resources identified in this press release is entitled, “2020 Mineral Resource and Reserve Estimate for the Plutonic Gold Operations Including Main Open Cut Pit Area”, is dated December 30, 2020, is effective December 31, 2019 and is available under Superior Gold’s profile on SEDAR at www.sedar.com and on the Company’s website at www.superior-gold.com.
Scientific and technical information in this news release has been reviewed and approved by Keith Boyle, P.Eng., Chief Operating Officer of the Company, who is a “qualified person” as defined by National Instrument 43-101.
Quality Control Protocols
Drilling is completed with NQ2 core diameter (50.7 mm) and samples are completed with combination of whole core and half core. Gold results were determined by ALS Minerals (Perth) and/or Plutonic laboratory using fire assay fusion. Standards, blanks and duplicates are included in approximately every 20 samples for Quality Assurance/Quality Control purposes by the Company as well as the laboratory.
About Superior Gold
Superior Gold is a Canadian based gold producer that owns 100% of the Plutonic Gold Operations located in Western Australia. The Plutonic Gold Operations include the Plutonic underground gold mine and central mill, numerous open pit projects including the Plutonic Main Pit push-back project, the Hermes open pit projects and an interest in the Bryah Basin joint venture. Superior Gold is focused on expanding production at the Plutonic Gold Operations and building an intermediate gold producer with superior returns for shareholders.
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