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Superior Gold Announces High Grade Extension of Plutonic’s Western Mining Front

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Superior Gold Inc. (TSX-V: SGI) is pleased to announce positive drill results from its new underground diamond drill program which commenced in December 2020 at its 100%-owned Plutonic Gold mine in Western Australia.


Results are provided for seven drill holes for a total of 1,372 metres of drilling.  Drilling during December 2020 and January 2021 was focused on the northwest of the Baltic zone which has yet to be fully drill tested.




  • Drill hole UDD23656 intersected 13.7 g/t gold over 8.8 metres
  • Drill hole UDD23653 intersected 52.7 g/t gold over 1.0 metre
  • Mineralization extended 100 metres outside of current Mineral Resources, but within 50 metres of existing infrastructure
  • Results support the Company’s strategy of opening a new Western Mining Front at Plutonic underground


The location of this drilling is shown in Figures 1-3 below. The intersections are shown in Table 1 below.  Reported intersections are over a minimum downhole width of 0.30 metres (0.20 metres true width).


Tamara Brown, Interim CEO of Superior Gold stated: “Today’s drill results are very promising.  We believe they demonstrate the continuation of a high-grade mineralized zone extending along the western front of the Plutonic orebody from the Indian zone, 350 metres down to the Baltic zone.  These intercepts are outside of existing Mineral Resources, but are within only 50 metres of existing infrastructure and can therefore be accessed with minimal capital.  Encouragingly, it is worth noting that all of the drill holes completed to target depth hit significant intercepts.


It is also important to note that these results support a new theory that mineralization at Plutonic is controlled by northwest trending faults, both at a macro and micro level, and specifically that these faults control where the concentration of high-grade gold is deposited. Drilling was completed over a strike length and vertical extent of approximately 100 metres by 200 metres, respectively. Mineralization remains open both up and down dip and along strike. These results continue to illustrate the prospectivity at Plutonic and highlight the potential to expand mineralization west of the Indian and Baltic zones and further extend the mine life.


The western extensions of the Indian and Baltic zones are key components of our current strategy to expand into new mining fronts, improve our mining grades and productivity, and reduce our reliance on remnant mining.  Although assays have been delayed due to backlogs at local laboratories, we look forward to releasing ongoing results from our revitalized exploration program throughout the course of 2021.”




Superior Gold’s mine exploration program is designed to target extensions of known high-grade mineralization, close to existing infrastructure but outside of existing Mineral Resources, in order to open new mining fronts and reduce reliance on remnant mining.  Although there exist significant historical high-grade intercepts across the large mineralized system, the Company is currently focused on expanding two key areas to open new mining fronts, being: 1) The Western Mining Front (along the Caspian, Indian and Baltic zones) and 2) The Baltic Gap as shown in Figure 4.


The Western Mining Front extends approximately 1.2 kilometres along the western edge of the Caspian, Indian and Baltic zones of the Plutonic underground mine and remains open, with several historic high-grade intercepts confirming mineralization continuity outside of Mineral Resources, as shown in Figure 4.


Drilling in 2020 identified significant high-grade mineralization in the northwest of the Indian zone, including 56.3 g/t gold over 15.1 metres (hole UDD22011) (refer to the News Release dated June 17, 2020).  The Company believes that today’s drill results demonstrate the northwest extension of these high-grade bands of mineralization 100 metres along the western extension of the Baltic zone (Figure 2). This opens an area approximately 100 metres by 200 metres of potential new high-grade, stacked lode mineralization. Multiple downhole intercepts confirm typical Plutonic mineralization, being a high-grade stacked lode system providing for more ounces per square metre in the area with all holes hitting significant intercepts. These results are in close proximity to existing infrastructure (i.e. within 50 metres) which translates to minimal capital expenditures required to infill drill and develop the area.


The Company has also recently completed a drilling program in the Baltic Gap (with assays expected within a quarter) and will shortly commence a drill program to follow up on previous intercepts along the Western Mining Front including in the Indian zone in the vicinity of hole UDD22011 which intersected 56.3 g/t gold over 15.1 metres, as previously indicated.


Table 1: Drill Results


Drill Hole
Easting (Mine
Northing (Mine
(Mine Grid)
Dip (degrees) Azimuth
End of
Est True
UDD23652 3595 11937 899 -25 195 201 173.5 174.1 0.6 6.6 0.4
UDD23653 3595 11937 899 -35 195 201 126.8 127.1 0.3 6.6 0.2
166.4 167.4 1.0 11.3 0.7
183.4 184.4 1.0 52.7 0.7
UDD23654 3595 11937 900 -25 205 200 165.1 167.0 1.9 20.2 1.7
UDD23655 3595 11937 900 -35 205 201 146.9 147.9 1.0 1.7 0.5
166.3 170.2 3.9 6.2 2.8
185.3 186.8 1.5 25.0 1.0
188.8 189.7 0.9 41.3 0.6
UDD23656 3595 11937 900 -26 214 201 151.6 160.5 8.8 13.7 7.7
UDD23657 3595 11937 899 -36 214 200 151.2 153.7 2.5 17.0 1.4
157.9 158.4 0.5 20.9 0.3
UDD23658 3594 11937 899 -44 214 167 Hole Abandoned


Qualified Person


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


Core is drilled NQ2 core diameter (50.7 mm). A combination of whole core and half core (38%) were sampled. Gold results were determined by ALS Minerals (Perth) using fire assay fusion (40g charge, lead collection method with an ICP finish).  Drill program design, Quality Assurance/Quality Control and interpretation of results are performed by qualified persons employing a Quality Assurance/Quality Control program consistent with NI 43-101 and industry best practices.  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.



Figure 1: Mineralized Zones (Plan View) (CNW Group/Superior Gold)



Figure 2: Baltic Western Extension Drilling Location (Plan View) (CNW Group/Superior Gold)



Figure 3: Baltic Western Extension Significant Intercept Location (Cross Section) (CNW Group/Superior Gold)



Figure 4: Plutonic Historical Significant Intercepts and Targeted New Mining Fronts (Plan View) (CNW Group/Superior Gold)

Posted March 1, 2021

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