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ST GEORGE MINING LIMITED

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ASSAYS CONFIRM FURTHER HIGH-GRADE MINERALISATION AT MT ALEXANDER

ASX Announcement 21 June 2018


HIGHLIGHTS: 

  • Thick intersections of nickel-copper-cobalt-PGE mineralisation confirmed by the latest assays from drilling at the Stricklands Prospect 
  • Multiple intersections of high-grade mineralisation continue to extend the known nickelcopper sulphides across the +400m strike of Stricklands 
  • Additional areas of Stricklands have yet to be drilled offering potential for further extensions of the mineralised ultramafic

Emerging West Australian nickel company St George Mining Limited (ASX: SGQ) (“St George” or “the Company”) is pleased to announce that the latest assays received for drilling at the Mt Alexander Project, located near Leonora in the northern Goldfields, have confirmed further high-grade nickel-copper sulphide mineralisation along a +400m strike at the Stricklands Prospect; see Figure 1.

Laboratory assays have confirmed the following thick intersections of mineralisation at Stricklands: 

  • MAD88 intersected a total of 11.6m of nickel-copper sulphide mineralisation based on an aggregation of the following mineralised intervals which returned assays of: 
    • 1.78m @ 0.36%Ni, 0.38%Cu, 0.02%Co and 0.59g/t total PGEs from 56m to 57.78m 
    • 3.92m @ 2.10%Ni, 0.93%Cu, 0.09%Co and 2.09g/t total PGEs from 57.78m to 61.7m
    • 3.55m @ 0.51%Ni, 0.33%Cu, 0.03%Co and 0.77g/t total PGEs from 66m to 69.55m 
    • [email protected] 3.59%Ni, 0.47%Cu, 0.18%Co and 2.26g/t total PGEs from 69.55m to 70.86m
    • 1.05m @ 0.63%Ni, 0.30%Cu, 0.04%Co and 0.47%g/t total PGEs from 72.25m to 73.3m
  • MAD104 intersected 6.25m of nickel-copper sulphide mineralisation that returned assays of: 
    • 6.25m @ 2.36%Ni, 1.00%Cu, 0.15%Co and 1.25g/t total PGEs from 67.2m to 73.45m Including: 
    • 3.34m @ 3.01%Ni, 1.12%Cu, 0.20%Co and 1.41g/t total PGEs from 70.11m to 73.45m
  • MAD105 intersected 12.4m of nickel-copper sulphide mineralisation that returned assays of: 
    • 5.9m @ 1.80%Ni, 0.81%Cu, 0.08%Co and 1.73g/t total PGEs from 35.6m to 41.5m, and 
    • 6.5m @ 0.45%Ni, 0.17%Cu, 0.03%Co and 0.31g/t total PGEs from 41.5m to 48m 
  • MAD106 intersected 6.3m of nickel-copper sulphide mineralisation that returned assays of: 
    • 4.85m @ 0.63%Ni, 0.31%Cu, 0.03%Co and 0.68g/t total PGEs from 59m to 63.85m and 
    • 1.45m @ 4.12%Ni, 0.99%Cu, 0.19%Co and 3.05g/t total PGEs from 63.85m to 65.3m

MAD105 and MAD106 were drilled in the far west of the Stricklands prospect area (see Figure 1), and the results from these drill holes indicate that mineralisation is open to the west.

MAD104, drilled approximately 250m to the north-east of the abovementioned drill holes, also intersected high grade nickel-copper sulphides. The results are significant in that they demonstrate the continuity of the mineralised ultramafic between the previously drilled areas to the west and east.

In addition, the intersection of strong massive sulphide in MAD104 - in an area outside of the peak SAMSON EM response – supports the potential for further mineralisation being located in this area, which was not previously believed to be as prospective due to the subdued EM response.

St George Mining Executive Chairman, John Prineas said:

“The assay results confirm that the recent drill programme has substantially increased the footprint of highgrade nickel-copper sulphide mineralisation at Stricklands.

“New high-grade intersections were identified in the west, north and east of the prospect area indicating that the mineralised ultramafic remains open in these directions.

“A follow-up drill programme for Stricklands is being designed, and we are confident that additional nickelcopper sulphides will be intersected.”

Click here to view the full announcement 

NEW EM CONDUCTORS READY TO DRILL AT MT ALEXANDER

ASX Announcement 19 June 2018 


HIGHLIGHTS: 

  • Four new electromagnetic (EM) conductors identified at the Investigators Prospect from downhole EM (DHEM) surveys 
  • All four DHEM conductors – MAD98:X1, MAD100:X1, MAD100:X2 and MAD101:X1 – are ready for drilling 
  • DHEM conductor MAD98:X1 is an outstanding target for massive nickel-copper sulphides:
    • thickness/conductivity of 67,000 Siemens 
    • located down-dip from the significant intersection in MAD60 of 5.3m @ 4.95%Ni, 2.75%Cu, 0.16%Co and 4.55g/t total PGEs from 157.9m
  • Diamond drill programme to test the DHEM conductors will commence shortly

Emerging West Australian nickel company St George Mining Limited (ASX: SGQ) (“St George” or “the Company”) is pleased to announce new EM targets which are ready to be drilled at the Investigators Prospect.

The Investigators Prospect is the largest of the three prospects in the Cathedrals Belt at the Mt Alexander Project, and covers an east-west strike of more than 1,300m. Figure 1 is a plan view map of Investigators and shows multiple intersections of nickel-copper sulphides set against a large surface SAMSON EM signature.

The intersections of high-grade mineralisation to date at Investigators do not fully account for the expansive EM signature. The new DHEM conductors are considered excellent targets for the identification of further massive nickel-copper sulphide mineralisation.

Figure 2 is a long section of Investigators and highlights the +1%Ni mineralisation over a part of Investigators with a 1,000m strike.

There are large areas between the significant intersections of mineralisation that are undrilled with potential to host further ultramafic with nickel-copper sulphides. There is also potential for additional mineralisation at depth with very limited drilling beyond 200m to test for potential repetitions and/or extensions of the mineralised ultramafic.

Figure 3 is a schematic cross section of the MAD60 line at Investigators. The mineralisation is interpreted to potentially extend down plunge to the north-west. The very strong DHEM conductor MAD98:X1 is located in this high priority target area and will be tested when drilling re-commences at Mt Alexander shortly

St George Mining Executive Chairman, John Prineas said: “We are excited to have four high quality EM targets ready to be drilled at Investigators.

“These strong DHEM conductors are along strike or down dip from known zones of high-grade mineralisation and present as excellent targets to extend the area of nickel-copper sulphide mineralisation at Investigators.”

DHEM surveys carried out in three drill holes recently completed at Investigators – MAD98, MAD100 and MAD101 – have identified four separate off-hole EM conductors which have geophysical features consistent with massive sulphide mineralisation and are recommended for drill testing:

  • MAD98:X1 – strong off-hole anomaly identified from drill hole MAD98. The EM plate (25x27m) is modelled with a thickness/conductivity of 67,000 Siemens and is approximately 200m below surface. 
  • MAD100:X1 and MAD100:X2 – off-hole anomalies identified from MAD100 between 130-180m below surface with dimensions of 20x10m to 30x18m, and thickness/conductivity respectively of 33,600 Siemens and 52,200 Siemens.
  • MAD101:X1 – off-hole EM anomaly identified from MAD101. The EM plate (20x30m) is 100m below surface and modelled with thickness/conductivity of 3,500 Siemens.

MAD98:X1 is located down-dip from the best intersection at Investigators – drill hole MAD60 which intersected 5.3m @ 4.95%Ni, 2.75%Cu, 0.16%Co, and 4.55g/t total PGEs from 157.9m. This DHEM conductor, in particular, is an outstanding target for further thick nickel-copper sulphides.

The proposed drilling on this MAD60 section, if successful in intersecting nickel-copper sulphides, could identify mineralisation over a potential down dip extent of about 320m (see Figure 3).

A diamond drill programme to test these DHEM conductors is scheduled to commence in approximately two weeks subject to final confirmation of rig availability.

Click here to view the full announcement 

HIGH-GRADE NICKEL-COPPER-COBALT-PGE SULPHIDE MINERALISATION CONFIRMED BY ASSAYS

ASX Announcement 4 June 2018 


HIGHLIGHTS:

  • Laboratory assays confirm multiple significant intersections of high-grade nickel-coppercobalt-PGE mineralisation from recent drilling at the Stricklands Prospect 
  • MAD85 returned 9.75m @ 3.46%Ni, 1.76%Cu, 0.16%Co and 2.26g/t total PGEs from 43.8m
  • MAD93 returned 3.16m @ 3.41%Ni, 1.21%Cu, 0.15%Co and 3.3g/t total PGEs from 66.18m 
  • Assays are pending for further drill holes recently completed at Mt Alexander and which intersected massive nickel-copper sulphides 
  • Potential for further extensions of the mineralisation with large areas of Stricklands still untested 
  • A follow-up drill programme is now being designed

Emerging West Australian nickel company St George Mining Limited (ASX: SGQ) (“St George” or “the Company”) is pleased to announce that drilling at the Mt Alexander Project, located near Leonora in the northern Goldfields, continues to extend the high-grade sulphide mineralisation along a +400m strike at the Stricklands Prospect; see Figure 1.

The high-grade nickel-copper-cobalt-PGE sulphide mineralisation at Stricklands commences from a shallow depth below surface (i.e. 40m) and is open to the west, north and east. There is also potential for additional mineralisation at depth with most drill holes completed within 120m of surface.

Figure 2 (below) is a long section of Stricklands and highlights the multiple intersections of +1%Ni mineralisation over a 400m strike. There are large areas between the significant intersections of mineralisation that are undrilled with potential to host further ultramafic with nickel-copper sulphides.

Figure 3 (below) is a cross section of the MAD85 and MAD71 line at Stricklands. The mineralisation may potentially extend down plunge to the north-west. This area will be tested when drilling re-commences at Mt Alexander shortly.

St George Mining Executive Chairman, John Prineas said:

 “We are very pleased to see laboratory assays confirming the thick intersections of high-grade nickel-copper sulphides at Stricklands from the recently completed drill programme.

“The last round of drilling at Stricklands has identified a sizable extension to the mineralised ultramafic, with new high-grade intersections in the west, north and east of the prospect area. 

“The most exciting aspect is that there is potential for further extensions of the mineralisation with large areas of Stricklands remaining untested. A follow-up drill programme is now being designed.”

Table 1 contains significant intersections from assays received to date from the 2018 drilling at Stricklands. Further assays are pending including assays for: 

  • MAD88 - which was drilled 100m to the north-east of MAD71 and intersected a total of 10.9m of sulphide mineralisation on an aggregate basis as reported in our ASX Release dated 10 April 2018 Drill Hole MAD88 at Mt Alexander - Update 
  • MAD104 - which was drilled 220m to the north-east of MAD71 and intersected 6.25m of sulphide mineralisation (see Figure 4) as reported in our ASX Release dated 21 May 2018 Nickel-Copper Sulphide Mineralisation Continues to Grow 
  • MAD105 - which was drilled 40m to the west of MAD71 and intersected 15.15m of sulphide mineralisation as reported in our ASX Release dated 21 May 2018 Nickel-Copper Sulphide Mineralisation Continues to Grow 
  • MAD106 - which was drilled on the same section as MAD105 and intersected 8.3m of sulphide mineralisation as reported in our ASX Release dated 21 May 2018 Nickel-Copper Sulphide Mineralisation Continues to Grow

Click here to view the full announcement 


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