TORONTO — Rupert Resources Ltd. (“Rupert” or the “Company”) reports follow-up assay results from its Heinä South satellite target (located 1km from Ikkari). The results confirm evidence of broader mineralised zones than previously seen at Heinä South. New assays are also published from drilling at Ikkari demonstrating that mineralisation remains open down plunge to the west with both wide and high-grade intercepts achieved.
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James Withall, CEO of Rupert Resources commented “The initial results from #124019 are confirmation of more continuous mineralisation at Heinä South which, along with extensional drilling at Ikkari, remains the current focus of our winter drilling campaign. During this drilling season we will continue to test a number of the targets at shallow depths which have the potential to become satellite deposits to the 4Moz1 Ikkari deposit alongside the works to advance project engineering and permitting.”
Heinä South
Ongoing drilling at Heinä South target continues to identify a broader style of mineralisation at the target than was in evidence from drilling undertaken in previous years. #124019, reported today, returned 25.0m at 16.5g/t Au including 1.0m at 363g/t Au with wider mineralised intervals hosted in sulphide rich breccia units. #124019 is an 80m step-out to the east from previously reported #124001 (24.5m at 1.1g/t Au). The high-grade potential of the Heinä South target area is further evidenced by the high-grade intercept of 558g/t Au over 2m in 124006, located a further 250m to the east, see press release dated 8th of February 2024). Drilling has now confirmed a strike of more than 1000m at Heinä South with mineralisation across a 200m wide corridor. Current drilling is focussed on the previously sparsely tested western strike extent where mineralisation is distinct from that further to the east and greater widths of mineralisation are encountered.
Ikkari extension
#124014 is the first hole to be reported from Ikkari from the winter 2023/24 program. results show multiple mineralised intercepts with the main target area yielding both wider (23.70m at 1.7g/t Au from 602m, including 1m at 16.6g/t Au) and higher grade (5m at 5.2g/t Au from 633m, including 1m at 19.8g/t Au and 3m at 32.7g/t Au from 655m, including 1m at 93.8g/t Au) intercepts. These intercepts provide further evidence for the shallow western plunge interpreted in this portion of the deposit where mineralisation remains open to the west. The intercepts from #124014 represent a 75m step-out along plunge from previously released #123026, 88.70m at 1.3g/t Au from 487.30m including 13m at 3.1g/t Au from 495m (see release dated May, 23 2023) that was included in the November 2023 MRE for Ikkari.
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Geological interpretation of Ikkari
Ikkari was discovered using systematic regional exploration that initially focused on geochemical sampling of the bedrock/till interface through glacial till deposits of 5m to 40m thickness. No outcrop is present, and topography is dominated by low-lying swamp areas.
The Ikkari deposit occurs within rocks that have been regionally mapped as 2.05-2.15 billion years (“Ga”) old Savukoski group greenschist-metamorphosed mafic-ultramafic volcanic rocks, part of the Central Lapland Greenstone Belt (“CLGB”). Gold mineralisation is largely confined to the structurally modified unconformity at a significant domain boundary. Younger sedimentary lithologies are complexly interleaved, with intensely altered ultramafic rocks, and the mineralized zone is bounded to the north by a steeply N-dipping cataclastic zone. Within the mineralised zone lithologies, alteration and structure appear to be sub-vertical in contrast to wider Area 1 where lithologies generally dipping at a moderated angle to the north.
The main mineralized zone is strongly altered and characterised by intense veining and foliation that pervasively overprints original textures. An early phase of finely laminated grey ankerite/dolomite veins is overprinted by stockwork-like irregular siderite ± quartz ± chlorite ± sulphide veins. These vein arrays are often deformed with shear-related boudinage and in situ brecciation. Magnetite and/or haematite are common, in association with pyrite. Hydrothermal alteration commonly comprises quartz-dolomite-chlorite-magnetite (±haematite). Gold is hosted by disseminated and vein-related pyrite. Multi-phase breccias are well developed within the mineralised zone, with early silicified cataclastic phases overprinted by late, carbonate- iron-oxide- rich, hydrothermal breccias which display a subvertical control. All breccias frequently host disseminated pyrite, and are often associated with higher gold grades, particularly where magnetite or haematite is prevalent. In the sedimentary lithologies, albite alteration is intense and pervasive, with pyrite-magnetite (± gold) hosted in veinlets in brittle fracture zones.
Geological interpretation of Heinä South
The Heina South target was reappraised based on results from a new higher resolution geophysical survey flown in later 2023 which identified a south-west extension which had been untested in previous years due to a lack of base of till anomalism. 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 for the occurrence.
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Review by Qualified Person, Quality Control and Reports
Craig Hartshorne, a Chartered Geologist and a Fellow of the Geological Society of London, is the Qualified Person, as defined by National Instrument 43-101, responsible for the accuracy of scientific and technical information in this news release.
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 Sweden. A minority of samples are prepared by Eurofins Laboratory in Sodankylä and Fire Assay is carried out on site. A pulverised sub-sample is then sent to ALS Ireland for multi-element analysis. All samples are under watch from the drill site to the storage facility. Samples at both laboratories are assayed using 50g fire assay method with aqua regia digest and analysis by AAS for gold. Over limit analysis (>100 ppm Au) are conducted using fire assay and gravimetric finish. For multi-element assays, Ultra Trace Level Method by 4-Acid digest (HF-HNO3-HClO4 acid digestion, HCl leach) and a combination of ICP-MS and ICP-AES are used. The Company’s QA/QC program includes the regular insertion of blanks and standards into the sample shipments, as well as instructions for duplication. Standards, blanks and duplicates are inserted at appropriate intervals. Approximately five percent (5%) of samples have the pulp reject resubmitted for check assaying at a second laboratory.
Results presented for Hole 124019 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 Ireland, Romania or Sweden by aqua regia with ICP-MS finish. Rupert maintains a strict chain of custody procedure to manage the handling of all samples. The Company’s QA/QC program includes the regular insertion of blanks and standards into the sample shipments, as well as instructions for duplication and external check assays.
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About Rupert Resources
Rupert Resources is a gold exploration and development company listed on the TSX Exchange under the symbol “RUP.” The Company is focused on making and advancing discoveries of scale and quality with high margin and low environmental impact potential. The Company’s principal focus is Ikkari1, a new high quality gold discovery in Northern Finland. Ikkari is part of the Company’s “Rupert Lapland Project,” which also includes the Pahtavaara gold mine, mill, and exploration permits (“Pahtavaara”).
Neither the TSX Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Exchange) accepts responsibility for the adequacy or accuracy of this release.
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 February 28, 2023 available here. Should one or more of these risks or uncertainties materialize, or should assumptions underlying the forward-looking statements prove incorrect, actual results may vary materially from those described herein as intended, planned, anticipated, believed, estimated or expected. Although the Company has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking information, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. There can be no assurance that such information will prove to be accurate as actual results and future events could differ materially from those anticipated in such statements. Any forward-looking statement speaks only as of the date on which it is made and, except as may be required by applicable securities laws, the Company does not intend, and does not assume any obligation to update any forward-looking statement, whether as a result of new information, future events or results or otherwise.
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1 November 2023 Updated Mineral Resource Estimate for the Ikkari Project.
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 Canadian Institute of Mining, Metallurgy and Petroleum (CIM) Estimation of Mineral Resource and Mineral Reserves Best Practices Guidelines (November 2019) and was classified following CIM Definition Standards for Mineral Resources & Mineral Reserves (May 2014). Readers are cautioned that Mineral Resources are not Mineral Reserves, and do not demonstrate economic viability. There is no certainty that all, or any part, of this Mineral Resource will be converted into Mineral Reserve. Inferred Mineral Resources are considered too speculative geologically to have economic considerations applied to them that would enable them to be categorized as Mineral Reserves. Numbers may be affected by rounding.
The QP for the Ikkari Mineral Resource estimate is Mr. Brian Thomas, P.Geo., an independent QP, as defined under NI43-101 and an employee of WSP Canada Inc. based in Sudbury, Ontario, Canada.
The effective date of the 2023 Mineral Resource Estimate for Ikkari is 24th October 2023. The Mineral Resource Estimate at Ikkari is interpolated using Ordinary Kriging (OK) and is reported both within a Whittle optimized open pit shell and as a potential underground operation outside that. Underground mineral resources are constrained within the estimation domains to meet the RPEEE criteria for UG mining. The Mineral Resource Estimate at Ikkari is reported using a cutoff grade of 0.4g/t Au for mineralisation potentially mineable by open pit methods and 0.9g/t Au for mineralisation potentially extractable by underground methods. The open pit and underground cut off-grades are calculated using a gold price at $1700 per ounce; 95% Au Metallurgical recovery; open pit mining costs at $2.9/t; underground mining cost at $29/t; process costs at $11.3/t; G&A, Rehab and Closure $4.8/t and a royalty of 0.75%. The calculated cutoff grade is rounded up to 0.4g/t for reporting. The calculated underground cutoff grade is rounded up to 0.9g/t.
APPENDIX
Table 1. Collar locations of new drill holes, Heinä South
|
Hole ID |
Prospect |
Easting |
Northing |
Elevation |
Azimuth |
Dip |
EOH (m) |
|
124009 |
Heinä South |
452559.2 |
7497304.2 |
226.5 |
152.8 |
-50.7 |
242.20 |
|
124011 |
Heinä South |
452593.2 |
7497231.4 |
226.6 |
153.7 |
-50.4 |
223.90 |
|
124015 |
Heinä South |
452626.8 |
7497159.3 |
226.6 |
153.3 |
-50.8 |
164.00 |
|
124017 |
Heinä South |
452241.4 |
7497197.7 |
226.8 |
154.4 |
-50.1 |
250.50 |
|
124019 |
Heinä South |
452281.3 |
7497301.7 |
226.7 |
153.8 |
-50.5 |
277.30 |
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Table 2. New Intercepts from Heinä South
|
Hole ID |
From (m) |
To (m) |
Interval (m) |
Grade Au (g/t) |
|
|
124009 |
65.00 |
66.00 |
1.00 |
0.7 |
|
|
202.00 |
203.00 |
1.00 |
0.6 |
||
|
211.00 |
212.00 |
1.00 |
0.5 |
||
|
216.00 |
217.00 |
1.00 |
6.3 |
||
|
124011 |
83.50 |
84.00 |
0.50 |
0.8 |
|
|
85.00 |
86.00 |
1.00 |
0.5 |
||
|
104.00 |
105.00 |
1.00 |
1.0 |
||
|
109.00 |
113.00 |
4.00 |
0.7 |
||
|
144.00 |
145.00 |
1.00 |
0.9 |
||
|
124015 |
16.00 |
23.00 |
7.00 |
0.4 |
|
|
including |
19.00 |
20.00 |
1.00 |
1.6 |
|
|
124017 |
122.00 |
123.00 |
1.00 |
0.9 |
|
|
128.00 |
129.00 |
1.00 |
1.2 |
||
|
174.00 |
177.00 |
3.00 |
0.6 |
||
|
182.00 |
183.00 |
1.00 |
0.4 |
||
|
185.00 |
187.50 |
2.50 |
0.9 |
||
|
124019 |
19.00 |
20.00 |
1.00 |
0.4 |
|
|
24.00 |
25.00 |
1.00 |
2561 |
||
|
76.00 |
78.00 |
2.00 |
0.5 |
||
|
83.00 |
108.00 |
25.00 |
16.512 |
||
|
including |
86.00 |
87.00 |
1.00 |
3631 |
|
|
and |
99.00 |
106.00 |
7.00 |
4.81 |
|
|
also includes |
101.00 |
103.00 |
2.00 |
10.81 |
|
|
121.00 |
122.40 |
1.40 |
0.7 |
||
|
127.00 |
129.00 |
2.00 |
0.5 |
||
|
143.00 |
144.00 |
1.00 |
0.41 |
||
|
146.00 |
147.00 |
1.00 |
48.31 |
||
|
163.00 |
189.00 |
26.00 |
0.7 |
||
|
196.00 |
197.00 |
1.00 |
0.5 |
||
|
201.00 |
215.00 |
14.00 |
1.2 |
||
|
including |
201.00 |
202.00 |
1.00 |
3.1 |
|
|
including |
212.00 |
213.00 |
1.00 |
4.6 |
|
|
1Assays include results from Screen Fire Assay, all other results from standard 50g fire assay. |
|||||
|
2Intercept contains four (4) meters of internal dilution, see Figure 4 for individual assays |
|||||
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 unless otherwise stated. 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
Table 3. Collar locations of new drill holes, Ikkari
|
Hole ID |
Prospect |
Easting |
Northing |
Elevation |
Azimuth |
Dip |
EOH (m) |
|
123117 |
Ikkari |
454650.5 |
7496703.6 |
238.5 |
152.0 |
-54.9 |
251.00 |
|
124012 |
Ikkari |
454606.7 |
7496704.3 |
236.8 |
154.7 |
-50.7 |
183.00 |
|
124013 |
Ikkari |
454685.9 |
7496727.0 |
238.4 |
154.7 |
-51.2 |
147.00 |
|
124014 |
Ikkari |
453622.5 |
7497039.5 |
228.1 |
154.8 |
-51.2 |
740.90 |
Table 4. New Intercepts from Ikkari
|
Hole ID |
From (m) |
To (m) |
Interval (m) |
Grade Au (g/t) |
|
|
123117 |
42.00 |
75.00 |
33.00 |
0.9 |
|
|
Including |
42.00 |
52.00 |
10.00 |
1.5 |
|
|
also includes |
51.00 |
52.00 |
1.00 |
4.2 |
|
|
and |
64.00 |
69.00 |
5.00 |
1.4 |
|
|
and |
74.00 |
75.00 |
1.00 |
3.8 |
|
|
121.60 |
123.00 |
1.40 |
1.4 |
||
|
124012 |
60.00 |
61.00 |
1.00 |
2.8 |
|
|
71.00 |
75.00 |
4.00 |
2.5 |
||
|
Including |
71.00 |
72.00 |
1.00 |
6.2 |
|
|
98.00 |
99.00 |
1.00 |
1.7 |
||
|
123.00 |
124.00 |
1.00 |
2.0 |
||
|
124013 |
113.70 |
114.00 |
0.30 |
4.8 |
|
|
124014 |
246.00 |
247.00 |
1.00 |
3.2 |
|
|
282.00 |
285.00 |
3.00 |
1.5 |
||
|
Including |
282.00 |
283.00 |
1.00 |
3.9 |
|
|
290.00 |
299.00 |
9.00 |
1.0 |
||
|
Including |
298.00 |
299.00 |
1.00 |
4.1 |
|
|
313.00 |
314.00 |
1.00 |
1.4 |
||
|
361.00 |
376.00 |
15.00 |
1.3 |
||
|
Including |
364.00 |
367.00 |
3.00 |
3.1 |
|
|
391.00 |
394.00 |
3.00 |
0.6 |
||
|
403.00 |
409.00 |
6.00 |
1.7 |
||
|
438.00 |
439.00 |
1.00 |
1.0 |
||
|
477.00 |
482.00 |
5.00 |
0.7 |
||
|
Including |
477.00 |
478.00 |
1.00 |
2.3 |
|
|
577.00 |
578.00 |
1.00 |
1.8 |
||
|
590.00 |
595.00 |
5.00 |
1.0 |
||
|
Including |
594.00 |
595.00 |
1.00 |
3.3 |
|
|
602.00 |
625.70 |
23.70 |
1.7 |
||
|
Including |
602.00 |
603.00 |
1.00 |
16.6 |
|
|
633.00 |
638.00 |
5.00 |
5.2 |
||
|
Including |
634.00 |
635.00 |
1.00 |
19.8 |
|
|
655.00 |
659.00 |
3.00 |
32.7 |
||
|
Including |
657.00 |
658.00 |
1.00 |
93.8 |
|
|
680.00 |
681.00 |
1.00 |
2.6 |
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No upper cut-off grade has been applied. 0.4g/t Au lower cut-off applied. Maximum interval accepted with no assay above cut-off grade when calculating intercepts is 5m. All intervals over the cut-off grade and greater than 1gram-meter 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/20240302214308/en/
Contacts
James Withall
Chief Executive Officer
jwithall@rupertresources.com
Thomas Credland
Head of Corporate Development
tcredland@rupertresources.com
Rupert Resources Ltd
82 Richmond Street East, Suite 203, Toronto, Ontario M5C 1P1
Tel: +1 416-304-9004 Web: http://rupertresources.com/
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