Aurion Intersects High Grade Gold at Kaaresselkä, Risti property
- Drill intercepts include 10.93 g/t Au over 5.00 m, 1.68 g/t Au over 13.00 m, 3.73 g/t Au over 4.45 m, 1.32 g/t Au over 9.35 m
- Results pending for over 15 holes, drilling ongoing
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KoBold Metals :USD$1,000,000 minimum exploration expenditure completed
Summary
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Gold mineralized system at Kaaresselkä (Vanha prospect) continues to grow
- 10.93 g/t Au over 5.00 m from 289.90 m and 1.68 g/t Au over 13.00 m from 308.90 m (KS25141)
- Approximately 100 m below 1.06 g/t Au over 3.95 m from 202.50 m (KS25112) and 150 m below 2.96 g/t Au over 16.25 m from 135.75 m (KS24092)
- 3.73 g/t Au over 4.45 m from 246.75 m (KS25142)
- Approximately 80 m below 2.94 g/t Au over 1.50 m from 128.50 m and 1.58 g/t Au over 0.70 m from 157.10 m (KS25096)
- 1.32 g/t Au over 9.35 m from 342.80 m (KS25143)
- Approximately 120 m below 3.33 g/t Au over 2.70 m from 216.00 m and 3.07 g/t Au over 1.40 m from 232.00 m (KS24088)
- All holes intersected gold mineralization within wide zones of altered and deformed metavolcanic and metasedimentary lithologies
- High grade copper intercept: 4.87% Cu and 0.93 g/t Au over 1.90 m from 88.00 m (KS25132)
- Copper-gold mineralization hosted within mafic intrusive rock south of the main gold mineralized trend at Vanha
- 10.93 g/t Au over 5.00 m from 289.90 m and 1.68 g/t Au over 13.00 m from 308.90 m (KS25141)
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Results pending for over 15 holes, drilling ongoing
- Focus on testing the potential extensions of the mineralized system at Kaaresselkä and selected scout drill targets within the 175 km2 Risti property.
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KoBold Metals – Aurion Critical Minerals Exploration Agreement-
USD$1,000,000 minimum exploration expenditure completed (see PRMar 19, 2025 ) - An extensive base of till and bedrock sampling program ongoing (see PR Sep 24, 2025)
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Comments
"The progress at the Kaaresselkä area during 2025 was highly encouraging. The strike of the mineralized system at the Vanha prospect was extended from 600 m to 1,400 m and high-grade gold has been intersected from surface to 250 m depth," commented
To view figures associated with this release please go to: https://aurionresources.com/site/assets/files/1600/nr26-01figures.pdf
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Table 1: Vanha Drilling Summary |
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Hole ID |
EOH (m) |
Azimuth |
Dip |
From (m) |
To (m) |
Width (m) |
Au (g/t) |
Target Area / Notes |
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KS25132* |
160.70 |
180.1 |
-39.7 |
44.00 |
48.35 |
4.35 |
0.79 |
Vanha |
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including |
|
|
|
47.35 |
48.35 |
1.00 |
2.38 |
|
|
and |
|
|
|
88.00 |
89.90 |
1.90 |
0.93 |
4.87 % Cu |
|
KS25140 |
281.50 |
180.2 |
-55.3 |
161.10 |
163.00 |
1.90 |
0.20 |
Vanha |
|
and |
|
|
|
216.80 |
234.60 |
17.80 |
0.61 |
|
|
KS25141 |
350.70 |
180.1 |
-60.4 |
192.00 |
193.00 |
1.00 |
0.21 |
Vanha |
|
and |
|
|
|
283.30 |
285.40 |
2.10 |
0.21 |
|
|
and |
|
|
|
289.90 |
294.90 |
5.00 |
10.93 |
|
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including |
|
|
|
291.90 |
294.90 |
3.00 |
18.05 |
|
|
and |
|
|
|
299.90 |
301.90 |
2.00 |
0.54 |
|
|
and |
|
|
|
308.90 |
321.90 |
13.00 |
1.68 |
|
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and |
|
|
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329.50 |
331.10 |
1.60 |
1.24 |
|
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KS25142 |
284.20 |
180.1 |
-55.3 |
246.75 |
251.20 |
4.45 |
3.73 |
Vanha |
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including |
|
|
|
247.75 |
249.25 |
1.50 |
9.40 |
|
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KS25143 |
401.60 |
180.0 |
-60.7 |
183.60 |
192.85 |
9.25 |
0.44 |
Vanha |
|
and |
|
|
|
324.30 |
334.85 |
10.55 |
0.37 |
|
|
and |
|
|
|
342.80 |
352.15 |
9.35 |
1.32 |
|
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including |
|
|
|
348.00 |
351.20 |
3.20 |
2.87 |
|
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KS25144 |
278.40 |
180.0 |
-54.4 |
209.90 |
210.90 |
1.00 |
0.24 |
Vanha |
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All widths are core widths. True width is not known at this time. All assay values are uncut. |
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NSV = no significant values, EOH = end of hole |
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(*) Gold values reported in PR |
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Kaaresselkä area
Results for five holes, totaling 1,596.40 m, drilled at the Vanha prospect in the Kaaresselkä area located in the southern part of Aurion's 100% owned Risti property (Figures 1-5) are being reported herein (Table 1). The holes targeted interpreted structural features with an aim to identify and/or extend the gold mineralized system. All holes intersected zones of strongly deformed and hydrothermally altered rocks associated with gold mineralization.
The recent results are interpreted to extend the mineralized system approximately 100 m below previously intersected mineralization in several profiles. The gold mineralized system at Vanha is interpreted to extend over 1,400 m along strike and to at least 250 m depth. The gold mineralization is open along strike and at depth. The results reported in this press release and the scout drill holes, which intersected gold 1.8 km to the west and 600 m to the east of the Vanha prospect (press release
The Kaaresselkä area is located 15 km east of the recent Vuoma discovery (28.64 g/t Au over 4.90 m) by Aurion-B2Gold JV, along the mainly unexplored, structural corridor that extends over 25 km within Aurion's fully owned Risti property and the JV property with B2Gold.
The gold mineralization at Vanha is mainly hosted by highly deformed and altered (silica, sericite, albite) mafic volcanic and metasedimentary rocks with minor to moderate amounts of fine-grained sulphide minerals including pyrite, pyrrhotite, chalcopyrite, galena, sphalerite and arsenopyrite in varying quantities. The higher-grade intervals are mainly hosted within silicified and brecciated zones with a moderate amount of sulphide minerals. Elevated levels of base metals and platinum-palladium have been encountered in several holes.
The initial mineralogical and metallurgical test work on two samples from the Vanha prospect (Kaaresselkä) demonstrated high recoveries (>93.6%) from bottle roll leaching tests, confirming predominantly free-milling gold and amenability to industry standard processing methods (press release
The geologic setting and the style of mineralization at Kaaresselkä resembles several recent and past discoveries such as Helmi (16 km from the Vanha prospect, Aurion-B2Gold JV) and Ikkari (14 km from the Vanha prospect, Rupert Resources) as well as the past producing Saattopora mine.
Drill hole descriptions
Drill hole KS25140 is located in the eastern Vanha area, collared 40 m north of KS25099, drilled to the south and targeted potential mineralization below hole KS25099 (1.71 g/t Au over 22.00 m from 126.20 m). KS25140 intersected two mineralized intervals including 0.61 g/t Au over 17.80 m from 216.80 m. Other samples with elevated gold (≥0.1 g/t) were also encountered. Mineralization in KS25140 was intersected approximately 75 m below mineralization in KS25099.
Drill hole KS25141 is located in the eastern Vanha area, collared 42 m north of KS24092, drilled to the south and targeted potential mineralization below holes KS24092 (2.96 g/t Au over 16.25 m from 135.75 m), KS25112 (0.95 g/t Au over 3.95 m from 202.50 m) and west of KS25111 (4.42 g/t Au over 32.55 m from 267.80 m and 4.29 g/t Au over 4.45 m from 308.55 m). KS25141 intersected several mineralized intervals such as 10.93 g/t Au over 5.00 m from 289.90 m (Figure 5) and 1.68 g/t Au over 13.00 m from 308.90 m. Visible gold grains were observed in several sample intervals. Other samples with elevated gold (≥0.1 g/t) were also encountered. Mineralization in KS25141 was intersected approximately 100 m below mineralization in KS25112, 150 m below mineralization in KS24092, and 40 m west of mineralization in KS25111 (Figure 3).
Drill hole KS25142 is located in the eastern Vanha area, collared 38 m north of KS25096, drilled to the south and targeted potential mineralization below hole KS25096 (2.94 g/t Au over 1.50 m from 128.50 m and 1.58 g/t Au over 0.70 m from 157.10 m). KS25142 intersected a mineralized interval of 3.73 g/t Au over 4.45 m from 246.75 m. Visible gold grains were observed in several sample intervals. Other samples with elevated gold (≥0.1 g/t) were also encountered. Mineralization in KS25142 was intersected approximately 80 m below mineralization in KS25096.
Drill hole KS25143 is located in the eastern Vanha area, collared 80 m north of KS25100, drilled to the south and targeted potential mineralization below KS24088 (3.33 g/t Au over 2.70 m from 216.00 m and 3.07 g/t Au over 1.40 m from 232.00 m). KS25143 intersected several mineralized intervals including 1.32 g/t Au over 9.35 m from 342.80 m. Visible gold grains were observed in several sample intervals. Other samples with elevated gold (≥0.1 g/t) were also encountered. Mineralization in KS25143 was intersected approximately 120 m below mineralization in KS24088.
Drill hole KS25144 is located in the eastern Vanha area, collared 50 m north of KS25114, drilled to the south and targeted potential mineralization below KS25114 (0.60 g/t Au over 2.85 m from 60.45 m). KS25144 intersected 0.24 g/t Au over 1.00 m from 209.90 m. Other samples with elevated gold (≥0.1 g/t) were also encountered.
Quality Assurance and Quality Control
All drill core samples were delivered to the ALS preparation facility in Sodankylä,
This news release has been reviewed by
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