Rupert Resources Publishes First Results From Winter Drilling Campaign, Confirming Heinä South Trend Over 1km and Including 1115 Grams Per Tonne Gold Over 1 Meter
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Figure 1. Schematic structural interpretation of Ikkari and surrounding high-priority exploration targets showing the location of the new drilling at Heinä South. Black box shows the location of more detailed plan map, Figure 2 (Photo: Business Wire)
Highlights
Heinä South Extension Exploration – part of the “West of Ikkari” drill program
- #124001 and #124002– intersected 24m at 1.1grams per tonne (“g/t”) Gold (Au) and 15m at 0.9g/t Au respectively from step-out drilling along the Heinä South trend extending the strike to west. The mineralised trend has now been drilled over a strike length in excess of 1km (Figures 2 and 3).
- #124006 – intersected 2m at 558g/t Au including 1m at 1115g/t Au , the highest-grade intercept drilled in Area 1 that has identified eight grass roots gold occurrences since 2018 (including the 4Moz1 Ikkari Discovery (58.43Mt at a grade of 2.18grams per tonne gold in the Indicated category).
Disciplined, systematic exploration to grow resource inventory continues
- The ongoing winter drill program is focussed on: (1) New targets in Area 1 (west of Ikkari) based on 2023 structural interpretation and higher resolution magnetic survey (Figure 1); (2) Ikkari depth and lateral extensions and (3) New generative discoveries within the 490km2 land package, in particular along the 10km mineralized corridor east of Ikkari.
2023/24 Exploration Campaign
Following a focus during the prior winter drilling season on infill and project drilling required for the PFS and EIA, exploration has recommenced on the most prospective areas of Rupert’s land package. Figure 1 shows the location of the new drilling in addition to all assays over 0.4g/t Au achieved over the past five years in the close proximity to Ikkari including the Heinä South trend.
Heinä South
Heinä South was the first gold occurrence to be discovered in Area 1 in 2019. Drilling has now confirmed a strike of more than 1000m with mineralisation across a 200m wide corridor. Heinä South contains the highest-grade intercepts drilled in Area 1. Follow-up drilling continues.
Today’s drill results are part of the broader “West of Ikkari” drill campaign that is based on an updated structural interpretation of the area. Drilling targeted untested extensions that were previously overlooked due to a lack of base of till anomalism. The exploration team continue to evaluate all the data we have collected in the last five years together with a new drone-based aerial magnetic survey and our evolving geological understanding to prioritise the most prospective targets in the key winter drilling season.
Geological interpretation
Gold mineralisation in the west of Heinä South is associated with multi-phase sulphide mineralisation consisting of pyrite+-pyrrhotite+-chalcopyrite, principally occurring as the matrix to an earlier brecciated (iron)-carbonate phase. The earlier veins occur primarily within altered carbonaceous sediments folded between more homogenous gabbroic units. Gold mineralisation in the east of Heinä South is hosted within quartz-pyrite and massive pyrite veins and as lenses, as part of a stockwork of quartz-carbonate veins. Zones of massive pyrite contain the highest grades (>10g/t Au) with disseminated sulphide zone containing anomalous (<0.5g/t) gold. Early quartz-carbonate veins are overprinted by extensional veins that include coarse-grained pyrite and form sub-parallel trends, broadly related to lithological contacts between sediments and mafic-intermediate intrusives, although mineralisation also occurs within both lithologies. Further drilling is required to allow a resource to be published on the occurrence.
Fi gures & tables
Figures and tables featured in the Appendix at end of release include:
- Figure 1. Location of new drilling in the context of the schematic structural interpretation of Ikkari and surrounding high-priority exploration targets
- Figure 2. Plan Map Showing location of new drilling and intercepts at Heinä South
-
Figure 3. Long Section showing the location of new intercepts of Heinä South
- Table 1. Collar locations of the new drill holes, Heinä South
- Table 2.New Intercepts from Exploration Drill Holes, Heinä South
Review by Qualified Person, Quality Control and Reports
The majority of samples are prepared by ALS Finland in either Sodankylä or Outokumpu. Fire assays are subsequently completed at ALS Romania whilst multielement analysis is completed in ALS Ireland or
Results presented for Hole 124006 include results from screen fire assay as indicted in Table 2. Screen fire assays were requested due to the presence of coarse gold in the drill core and were performed by ALS Romania. Screen fire assays involve the screening of 1kg at 106 microns to separate the sample into a coarse fraction (>106μm) and a fine fraction (<106μm). After screening, two 50g sub-samples of the fine fraction are analysed using the normal 50g fire assay method with aqua regia digest and analysis by AAS for gold. The entire coarse fraction is assayed to determine the contribution of the coarse gold using fire assay and gravimetric finish. The “total” gold calculation for the 1kg sample is based on the weighted average of the coarse and fine fractions and is reported for the indicated samples.
Base of till samples are prepared in ALS Sodankylä by dry-sieving method prep-41 and assayed for gold by fire assay with ICP-AES finish. Multi-elements are assayed in ALS laboratories in either of
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Cautionary Note Regarding Forward Looking Statements
This press release contains statements which, other than statements of historical fact constitute “forward-looking statements” within the meaning of applicable securities laws, including statements with respect to: results of exploration activities and mineral resources. The words “may”, “would”, “could”, “will”, “intend”, “plan”, “anticipate”, “believe”, “estimate”, “expect” and similar expressions, as they relate to the Company, are intended to identify such forward-looking statements. Investors are cautioned that forward-looking statements are based on the opinions, assumptions and estimates of management considered reasonable at the date the statements are made, and are inherently subject to a variety of risks and uncertainties and other known and unknown factors that could cause actual events or results to differ materially from those projected in the forward-looking statements. These factors include the general risks of the mining industry, as well as those risk factors discussed or referred to in the Company's annual Management's Discussion and Analysis for the year ended
1
The Mineral Resource Estimate for the Ikkari project has been prepared in accordance with NI 43-101 and following the requirements of Form 43-101F1. The methodology used to determine the Mineral Resource Estimate is consistent with the
The QP for the Ikkari Mineral Resource estimate is Mr.
The effective date of the 2023 Mineral Resource Estimate for Ikkari is
APPENDIX
Table 1. Collar locations of new drill holes, Heinä South
Hole ID |
Prospect |
Easting |
Northing |
Elevation |
Azimuth |
Dip |
EOH (m) |
123005 |
Heinä South |
453006.6 |
7497551 |
225.6 |
157.7 |
-60.7 |
620.70 |
123007 |
Heinä South |
452648.2 |
7497541 |
225.2 |
157.4 |
-65.3 |
502.50 |
124001 |
Heinä South |
452208.4 |
7497268 |
226.6 |
153.6 |
-50.2 |
266.90 |
124002 |
Heinä South |
452133.3 |
7497243 |
226.6 |
153.8 |
-50.3 |
305.00 |
124006 |
Heinä South |
452530.8 |
7497366 |
226.1 |
151.9 |
-50.9 |
254.00 |
Table 2. New Intercepts from Heinä South
Hole ID |
|
From (m) |
To (m) |
Interval (m) |
(g/t) |
123005 |
|
193.00 |
194.00 |
1.00 |
0.5 |
|
|
201.00 |
202.00 |
1.00 |
0.6 |
|
|
209.00 |
211.00 |
2.00 |
0.8 |
|
|
214.00 |
215.00 |
1.00 |
0.4 |
|
|
223.00 |
224.00 |
1.00 |
3.5 |
|
|
230.00 |
231.00 |
1.00 |
0.4 |
|
|
236.50 |
237.50 |
1.00 |
3.7 |
|
|
248.00 |
249.00 |
1.00 |
0.5 |
|
|
269.00 |
270.00 |
1.00 |
0.7 |
|
|
273.00 |
279.00 |
6.00 |
0.7 |
|
|
284.00 |
285.00 |
1.00 |
0.9 |
|
|
300.00 |
301.00 |
1.00 |
1.1 |
|
|
366.50 |
374.00 |
7.50 |
2.9 |
|
including |
367.00 |
368.00 |
1.00 |
8.7 |
|
|
396.00 |
398.00 |
2.00 |
0.5 |
|
|
465.00 |
467.00 |
2.00 |
1.4 |
123007 |
|
140.00 |
141.00 |
1.00 |
1.2 |
124001 |
|
77.00 |
80.00 |
3.00 |
0.6 |
|
|
88.00 |
90.00 |
2.00 |
0.6 |
|
|
94.00 |
100.00 |
6.00 |
0.4 |
|
|
108.00 |
109.00 |
1.00 |
1.2 |
|
|
124.00 |
127.00 |
3.00 |
1.2 |
|
|
160.00 |
184.50 |
24.50 |
1.1 |
|
including |
169.00 |
174.00 |
5.00 |
2.8 |
|
|
194.00 |
195.80 |
1.80 |
1.10 |
|
|
257.00 |
258.00 |
1.00 |
0.62 |
124002 |
|
76.00 |
77.00 |
1.00 |
0.5 |
|
|
88.00 |
103.00 |
15.00 |
0.9 |
|
|
116.00 |
117.00 |
1.00 |
0.5 |
124006 |
|
74.00 |
75.00 |
1.00 |
0.6 |
|
|
76.00 |
77.00 |
1.00 |
2.2 |
|
|
104.00 |
106.00 |
2.00 |
558.0* |
|
including |
104.00 |
105.00 |
1.00 |
1115.0* |
|
|
116.00 |
126.00 |
10.00 |
0.7 |
|
including |
116.00 |
118.00 |
2.00 |
1.6 |
|
|
236.00 |
237.00 |
1.00 |
2.3 |
*Assay results from Screen Fire Assay, all other results from standard 50g fire assay
No upper cut-off grade has been applied. 0.4g/t Au lower cut-off applied, a maximum of 3m internal dilution has been allowed when calculating intercepts. All intervals over the cut-off grade are presented here. Italic intervals indicate intercepts including within the wider intercept. Unless specified, true widths cannot be accurately determined from the information available. Bold intervals referred to in text of release. Refer to https://rupertresources.com/news/ for details of previously released drilling intercepts. EOH– End of Hole. NSI – No significant intercept
View source version on businesswire.com: https://www.businesswire.com/news/home/20240208659890/en/
For further information, please contact:
Chief Executive Officer
jwithall@rupertresources.com
Head of Corporate Development
tcredland@rupertresources.com
Tel: +1 416-304-9004 Web:http://rupertresources.com
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