REG - Guardian Metal Rsrc. - Pilot North: Very-High Grade Assay Results
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RNS Number : 1066B Guardian Metal Resources PLC 29 September 2025
29 September 2025
Guardian Metal Resources plc
('Guardian Metal' or the 'Company')
Pilot North: Very-High Grade Assay Results
Guardian Metal Resources plc (LON:GMET, OTCQB:GMTLF), a strategic development
and mineral exploration company focused on tungsten in Nevada, USA, is pleased
to provide an exploration update for the recently acquired, 100%-owned, Pilot
North tungsten-copper project ("Pilot North" or the "Project"), located in the
Walker Lane Mineral Belt, approximately 15km northwest of the Company's Pilot
Mountain project, in Nevada.
The Company's mission is to establish Guardian Metal as a cornerstone of U.S.
tungsten supply, directly supporting national efforts to reshore production of
this critical defence mineral. With tungsten designated as a strategic
priority by the U.S. government, the Company is advancing its two flagship
Nevada projects-Tempiute and Pilot Mountain. By unlocking domestic tungsten
resources, Guardian Metal aims to help reduce reliance on foreign supply
chains, strengthen U.S. economic and defence security, and deliver long-term
value for shareholders.
The Company has now received the assay results for 92 rock chip samples
collected during geological fieldwork following the recent staking of Pilot
North through direct mining claim staking totalling 102 new Bureau of Land
Management ("BLM") Lode Claims, announced 13 August 2025.(1) The Project was
established as a direct result of the Company's ongoing regional exploration
programme.
Oliver Friesen, CEO of Guardian Metal, commented:
"I am very pleased with the progress we have made on Pilot North since our
initial staking just a few months ago. The combination of both the high tenor
and consistency of the rock chip assay results-particularly in copper, silver,
and tungsten-across much of the Project area is very encouraging and, in our
view, underscores the potential importance of this developing opportunity for
the Company.
"Importantly, this Project is 100% owned by Guardian Metal, royalty free.
Conveniently, it is also 15 km away from Pilot Mountain and shares the same
access road.
"We look forward to continuing to move this opportunity forward rapidly,
alongside the important work that is currently ongoing at both Pilot Mountain
and Tempiute."
TECHNICAL SUMMARY
§ Pilot North includes the historical World War II-era mines of "Copper
Head", "Western Metals", "Muller Mountain", "Jasper" and "Tungsten Valley",
each with extensive outcropping tungsten (W) - copper (Cu) bearing skarns at
the contact of granitic intrusions with limestones of the Luning Formation
(i.e. the same geology as the Company's Pilot Mountain project).
§ Notably, very high-grade copper, silver, tungsten, zinc and strongly
anomalous lead, gallium and gold was returned from multiple areas within the
Project including (Table 1):
o 31 overlimit copper assay results including: 14.65%, 10.6%, 9.21%, 8.86%,
7.22%, 6.92%, 6.89%, 6.78%, 6.7%, 6.27%, 5.56% and 5.3% Cu.
o 12 overlimit silver assay results including: 708 g/t, 538 g/t, 496 g/t, 319
g/t, 284 g/t, and 276 g/t Ag.
o 13 overlimit tungsten trioxide (WO(3)) assay results including: 0.59%,
0.46%, 0.40%, 0.36%, and 0.36% WO(3).
o Additionally, gold results up to 1.025 ppm Au, gallium results up to 49 ppm
Ga, zinc results up to 12% Zn, and lead results up 3.81% Pb.
§ The Company shortly will be undertaking detailed geological mapping of the
most prospective areas to guide the next exploration steps which may include
geophysical surveys and diamond drilling.
BACKGROUND
Pilot North is located approximately 15 km northwest of the Company's
co-flagship Pilot Mountain project and shares the same road access. Pilot
North comprises five distinct areas: Copper Head, Western Metals, Muller
Mountain, Tungsten Valley and Jasper. The Company considers that these all
represent genetically related tungsten-copper-polymetallic skarn
mineralisation at the contacts of granitic intrusions with limestones of the
Luning Formation, a similar geological setting to the deposits at Pilot
Mountain.
Following initial reconnaissance and staking of Pilot North, the Company's
expert geological consultant, Dr Lawrence Carter, undertook detailed
geological mapping and sampling across the Project to characterise the
mineralisation and to develop strategies to advance Pilot North as a satellite
to the Company's flagship Pilot Mountain project. From this fieldwork, 92 rock
chip sampled were assayed at ALS USA Inc laboratories using the following
analytical packages: ME-MS61 for multielement, Au-ICP21 for gold, ME-XRF15c
for high grade WO(3) and Ag/Cu/Pb/Zn-OG62 for overlimit samples (see Table
1).
Table 1. Summary of Rock Chip Sample Assay Results
SAMPLE Au Ag Ag Cu Cu Pb Pb Ga Zn Zn WO3
Unit ppm ppm ppm ppm % ppm % ppm ppm % %
ALS Lab Method Au-ICP21 ME-MS61 Ag-OG62 ME-MS61 Cu-OG62 ME-MS61 Pb-OG62 ME-MS61 ME-MS61 Zn-OG62 ME-XRF15c
LCCH01 0.13 8 3 23 25
LCCH02 52.90 2.58 12 31 336
LCCH03 81.20 4.01 4 23 1,990
LCCH04 55.20 3.34 4 13 1,450
LCCH05 3.13 1,840 3 17 188
LCCH06 115 2.29 155 11 554
LCCH07 86.10 2.56 5 12 1.17
LCCH08 2.61 754 8 17 420
LCCH09 0.45 141 13 32 373
LCCH10 30.70 5.56 251 12 1.15
LCCH11 1.03 97.00 2.80 4 24 578
LCCH12 0.05 12.05 3,910 3 24 182
LCCH13 0.01 5.45 1,860 207 18 648
LCCH14 201 14.65 2,850 2 1.30
LCCH15 708 7,970 3.81 17 2,880
LCCH16 231 2,080 6,260 17 3,060 0.19
LCCH17 538 658 3.19 18 9,210 0.59
LCCH18 0.05 48.50 2.27 130 24 236
LCCH19 3.46 188 209 16 89
LCCH20 2.33 1,120 48 16 161
LCCH21 0.61 5.30 13 1 733
LCCH22 1.22 6,020 19 34 141
LCCH23 0.44 7.22 7 14 442
LCCH24 13.50 2,320 8 15 46
LCCH25 1.85 918 10 18 47
LCCH26 2.94 624 84 29 170
LCCH27 0.75 601 11 18 31
LCJA01 41.00 123 1,520 14 46
LCJA02 0.30 58 16 17 6
LCJA03 1.04 65 19 6 11
LCJA04 0.21 41 14 1 28
LCJA05 4.38 1,055 8 2 981
LCMM01 0.01 0.93 429 3 20 384
LCMM02 4.44 7,180 5 16 753
LCMM03 1.26 1,205 5 11 291
LCMM04 0.01 4.05 2,290 13 19 179
LCMM05 0.76 286 5 20 73
LCMM06 6.22 1,140 11 21 68
LCMM07 0.00 1.62 1.76 4 31 346 0.14
LCMM08 0.19 172 4 34 23
LCMM09 24.50 1.87 4 10 1.36
LCMM10 0.81 857 6 22 633
LCMM11 0.10 319 6.78 1,530 7 2,080 0.14
LCMM12 1.24 222 11 18 336
LCMM13 1.81 463 18 14 118
LCMM14 0.26 89 13 16 139
LCMM15 0.35 143 13 13 116
LCMM16 5.59 1,405 27 16 306
LCMM17 0.12 79.90 2.08 457 3 4,590 0.11
LCMM18 2.77 670 73 17 1,665
LCMM19 59.00 3.05 691 12 1.57
LCMM20 59.80 1.29 78 7 2,360
LCMM21 0.00 8.35 1,470 231 2 1.03
LCMM22 84.90 9.21 102 14 12.00 0.46
LCMM23 496 6.70 1,920 3 4,660
LCMM24 215 8.86 31 7 9,990 0.19
LCMM25 6.59 1,450 47 22 250
LCMM26 284 6.92 39 8 1.61
LCMM27 2.43 2,530 21 18 1,375
LCMM28 37.80 2.95 84 32 1,265
LCMM29 0.40 155 3 46 233
LCMM30 133 2.99 688 36 6,560 0.36
LCTV01 0.49 248 32 18 167 0.24
LCTV02 2.32 791 23 50 209
LCTV03 30.90 8,120 986 34 534 0.19
LCTV04 3.69 1,290 243 10 551
LCTV05 24.50 351 1,810 9 335 0.27
LCTV06 14.15 1,770 14 16 101
LCTV07 0.48 354 15 16 64
LCWM01 276 4.51 1,275 35 2,880
LCWM02 7.19 3,220 32 44 358
LCWM03 25.10 3.09 9 16 1,875
LCWM04 0.07 132 6.89 31 12 1,120
LCWM05 0.61 395 4 12 62
LCWM06 0.01 33.80 2.48 23 10 1,085
LCWM07 0.01 6.81 6.27 3 6 1,955
LCWM08 19.30 4.12 3 20 6,890
LCWM09 0.34 730 1,030 3 1.52
LCWM10 0.04 0.80 7,620 6 18 3,270
LCWM11 0.18 68.50 668 8,030 2 980
LCWM12 0.53 14.55 304 1,705 2 234
LCWM13 0.13 71.60 131 2,460 1 209
LCWM14 0.53 94.40 1.06 3,840 1 284
PZMM01 91.20 10.60 21 10 2,700
PZMM02 0.64 361 22 24 75
PZMM03 0.91 740 8 28 85
PZMM04 0.16 65 12 18 83
PZMM05 0.19 49 6 22 100
PZMM06 0.11 23 10 19 73
PZMM07 0.05 24.20 3,740 7 27 241 0.36
PZMM08 25.10 3,900 7 27 257 0.40
HRWM0625 0.35 237 11 42 253
Table Notes : Summary of certificated assay results provided by accredited
laboratory ALS USA Inc. ppm: parts per million, 10,000 ppm = 1%
MEDIA
Figure 1. Example of copper oxide rich garnet skarn outcropping on the Pilot
North project.
Figure 2. Example of historical mine workings on the Pilot North project
targeting garnet skarns.
Figure 3. Visible light and ultraviolet (UV) light view of copper oxide and
scheelite rich skarn from the Muller Mountain area.
PROPERTY OWNERSHIP
Guardian Metal holds a royalty free, 100% interest in the Pilot North Project,
through its wholly-owned Nevada operating company, Golden Metal Resources LLC.
COMPETENT PERSON STATEMENT
The technical information contained in this disclosure has been read and
approved by Mr Nick O'Reilly (MSc, DIC, MIMMM QMR, MAusIMM, FGS), who is a
qualified geologist and acts as a Competent Person under the AIM Rules - Note
for Mining and Oil & Gas Companies. Mr O'Reilly is a Principal consultant
working for Mining Analyst Consulting Ltd which has been retained by Guardian
Metal to provide technical support.
References
1 Company Announcement, Pilot North: Enlargement
following Assay Results, dated 13 August 2025
(
https://polaris.brighterir.com/public/guardian_metal_resources/news/rns/story/w106z3r
(https://polaris.brighterir.com/public/guardian_metal_resources/news/rns/story/w106z3r)
)
2 Company Announcement, Pilot North Tungsten Project
Acquired via Staking, dated 7 July 2025 (
https://polaris.brighterir.com/public/guardian_metal_resources/news/rns/story/wveg0px
(https://polaris.brighterir.com/public/guardian_metal_resources/news/rns/story/wveg0px)
)
This announcement contains inside information for the purposes of Article 7 of
EU Regulation 596/2014 (which forms part of domestic UK law pursuant to the
European Union (Withdrawal) Act 2018).
Forward Looking Statements
This announcement contains forward-looking statements relating to expected or
anticipated future events and anticipated results that are forward-looking in
nature and, as a result, are subject to certain risks and uncertainties, such
as general economic, market and business conditions, competition for qualified
staff, the regulatory process and actions, technical issues, new legislation,
uncertainties resulting from potential delays or changes in plans,
uncertainties resulting from working in a new political jurisdiction,
uncertainties regarding the results of exploration, uncertainties regarding
the timing and granting of prospecting rights, uncertainties regarding the
timing and granting of regulatory and other third party consents and
approvals, uncertainties regarding the Company's or any third party's ability
to execute and implement future plans, and the occurrence of unexpected
events.
Actual results achieved may vary from the information provided herein as a
result of numerous known and unknown risks and uncertainties and other
factors.
For further information visit www.Guardianmetalresources.com
(http://www.goldenmetalresources.com) or contact the following:
Guardian Metal Resources plc Tel: +44 (0) 20 7583 8304
Oliver Friesen (CEO)
Cairn Financial Advisers LLP Tel: +44 20 7213 0880
Nominated Adviser
Sandy Jamieson/Jo Turner/Louise O'Driscoll
Shard Capital Partners LLP Tel: +44 (0) 20 7186 9000
Lead Broker
Damon Heath/Erik Woolgar
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