RNS Number : 0864H
Guardian Metal Resources PLC
07 October 2024
 

7 October 2024

Guardian Metal Resources plc

('Guardian Metal' or the 'Company')

Pilot Mountain, Nevada - Significant Drill Results

Desert Scheelite: PM24-012 Intersects Outstanding Tungsten Mineralised Intersection

Guardian Metal Resources plc (LON:GMET, OTCQX:GMTLF), a strategic development and mineral exploration company focused in Nevada, USA, is very pleased to announce further drillhole assay results from the Company's ongoing drilling campaign at its 100% owned Pilot Mountain Project ("Pilot Mountain" or the "Project) located within the prolific Walker Lane Mineral Belt in Nevada, USA.

The laboratory assay results from the first diamond drillhole were covered in the Company's announcement on 18 September 2024 which may be viewed through the link below:

https://www.londonstockexchange.com/news-article/GMET/pilot-mountain-significant-drill-result/16670512

Laboratory assay results from drill core samples for the next twelve holes (PM24-002 to 013) have confirmed:

 

1.   An outstanding mineralised intersection in drill hole PM24-012 at Desert Scheelite which the Company believes will deliver a material upgrade to the resource model within this area.

 

2.   Confirmation of a molybdenum-rich mineralised porphyry system at the Porphyry South target area.

 

3.   The Desert Scheelite Parallel West Zone is tungsten rich.

 

4.   The balance of Desert Scheelite drillholes continue to increase confidence for updating the existing Mineral Resource estimate ("MRE").

The Pilot Mountain diamond drilling programme commenced in May 2024 and to date 24 holes have been completed for a total of 3,211 metres drilled. The 25th drillhole is currently underway (Fig. 1).

 

Desert Scheelite Highlights:

 

§ Laboratory assay results (Table 2) confirm diamond drillhole PM24-012 at Desert Scheelite has intersected the best tungsten intercept ever recorded at Pilot Mountain including 39.3m of 'very high-grade' tungsten mineralisation.

 

§ The PM24-012 downhole drill intersection comprises:

 

o 39.3m @ 0.735% W03 (tungsten trioxide), 39.7g/t Silver (Ag), 0.44% copper (Cu) and 0.30% zinc (Zn) from 66 m.

 

§ Significantly, the vast majority of the PM24-012 high grade intercept is located within the open pit shell as envisaged in the previous scoping level mine design and presents the opportunity to upgrade the previous block model for this area in the planned MRE update (Fig. 2). The Company believes this result will lead to a material increase in the resource model within this area.

 

§ PM24-012 standout extremely high-grade individual assay results include 2.90% W03 (100.8m - 102.3 downhole depth which also includes 696g/t Ag) representing the highest ever single tungsten assay result achieved across Pilot Mountain within any recorded drill programme to date.

 

§ Following the receipt of these outstanding assay results, the Company has moved the drill rig back to the area of Desert Scheelite where PM24-012 was undertaken to test for extensions of this zone in multiple directions.

 

§ The Company's CEO has scheduled a site visit commencing the end of this week to review the PM24-012 core and to evaluate core as drilling progresses from this new zone. 

 

§ The balance of Desert Scheelite drillholes continue to increase confidence in the existing MRE. Resource upgrade and infill represents a very important step required to enable the completion of the Pre-Feasibility Study.

 

§ PM24-012 highlight interval above on a metal equivalent basis comprises 39.3m @ 3.45% CuEq (copper equivalent) and 1.02% WO3Eq (tungsten equivalent).

The Copper Equivalent is calculated using a tungsten price of $330/MTU, a zinc price of US$1.4163/lb and a silver price of US$31.52/Oz. The W03 Equivalent ("WO3Eq") is calculated using a copper price of US4.4115/lb, a zinc price of US$1.4163/lb and a silver price of US$31.52/Oz.

Cautionary note: The metal equivalent calculations do not consider any  metallurgical factors and assume 100% recovery and 100% payability of all metals, as a result the stated equivalents are provided for illustrative purposes only.

 

Porphyry South Highlights:

 

§ Assay results from the Company's first ever porphyry focussed drillhole at Pilot Mountain, PM24-002 (& PM24-002A) into the Porphyry South target, has confirmed the presence of what the Company believes is an arc-related porphyry molybdenum (Mo) system.

 

§ Arc-related porphyry molybdenum deposits are a substantial source for molybdenum metal and may have anomalous concentrations of tungsten. The deposits typically contain low-grade mineralisation (0.03-0.22 % Mo) as molyb-denite, but are large-tonnage, making them amenable to bulk mining open-pit techniques.1

 

§ Mo results for PM24-002/A directly correlate with increased vein density and very highly anomalous Mo was intersected intermittently throughout the entire hole including:

From (m)

To (m)

Mo (ppm) #

25

28

347

37

40

236

90.5

93.6

266

188.7

191.1

529

215.2

218.5

268

223.8

225.7

1,170

270.4

273.4

413

321.4

324

507

329.7

332.7

233

350.6

353.6

235

# ALS method ME-ICP61

 

§ Given recent developments regarding, 1) the delineation of the Company's Porphyry West and North Targets2as well as, 2) the possibility that W-Ag-Zn-Cu skarn-related zones at the Project may be related to one large porphyry system3, the confirmation of an Arc-related mineralised Mo porphyry system at Porphyry South is considered significant.

 

§ With results in hand the Company is working with all available data to place this interval within the context of the overall mineralised porphyry system(s). Notice permit amendments are awaited which cover multiple drillholes into the various porphyry targets at Pilot Mountain.

 

§ Future drill holes are planned to investigate areas with greater quartz vein density, which is where the potassic core associated with the highest grades in most porphyry systems is likely to be found.

 

§ In addition to the tungsten, copper, silver, zinc and garnet potential (currently being investigated), the confirmation of a Mo-rich porphyry adds another metal of interest to the Project going forward.

 

§ Given the strong copper shows found at surface across the Project, as well as within the various skarn deposits,  it is believed that the porphyry may have the potential to host a copper-rich porphyry shell, and this hypothesis will be investigated further.

 

Desert Scheelite Parallel West (DSPW) Highlights:

 

§ Drillhole PM24-003, the first of two drillholes completed into the previously untested DSPW zone, returned 3.5m @ 0.235% WO3. This confirms that the DPSW skarn-zone (with a large surface expressions of circa 600m by 100m) is tungsten rich, representing another important development for the Project.

 

§ The Company is conducting further investigations of any at surface mineralisation within this zone to help guide future drilling into this target. Further drill pad locations are also included in the drilling permit notice amendment that was most recently submitted to enable further drilling to be undertaken at DSPW.

Oliver Friesen, CEO of Guardian Metal, commented: 

"It is safe to say we are extremely excited about the results reported today, including PM24-012 which has delivered a globally significant tungsten result. Not only did we intersect 39.3m of 1.02% W03Eq**, but this extended interval is located almost entirely within the scoping level open pit mine design, in an area which was previously occupied by relatively low grade material from the previous resource model.

"The drillholes reported today confirm that further exploration and drilling is needed to fully assess the Project's potential, of which we believe we have just scratched the surface. With the US $2.75m strategic North American financing recently completed at 27p, we are very well funded and look forward to continuing to drive this extremely exciting Project forward at a time when the U.S. needs secure supplies of tungsten."

Results Summary

Table 1: Drillhole collar details

Hole ID

Target Area

UTM Easting#

UTM Northing#

Azimuth (deg.)

Dip (deg.)

Down hole Depth (m)

PM24-001

Desert Scheelite

424159

4248321

195

-75.5

151.8

PM24-002

Porphyry South

424011

4247857

15.4

-74

143.6

PM24-002A&

Porphyry South

424011

4247857

15.4

-74

407.1

PM24-003

DSPW

423792

4248332

309.5

-47

169.8

PM24-004

Desert Scheelite

424148

4248353

177

-64

165.2

PM24-005

DSPW

423760

4248287

311

-53

197.8

PM24-006

Desert Scheelite

424190

4248354

181.6

-58

151.5

PM24-007

Desert Scheelite

424367

4248301

179.2

-62

84.4

PM24-008

Desert Scheelite

424356

4248297

175.9

-49

77.7

PM24-009

Desert Scheelite

424376

4248301

175.3

-54

77.4

PM24-010

Desert Scheelite

424399

4248296

173.8

-58

72.2

PM24-011

Desert Scheelite

424407

4248346

180.4

-60

103.6

PM24-012

Desert Scheelite

424357.6

4248319

179.6

-66

114.1

PM24-013

Desert Scheelite

424344.2

4248323

180.5

-68

114.9

# UTM Zone 11 North NAD83 datum

& PM24-002 was stopped at 143.6m due to drilling difficulties, and re-entered as PM24-002A which was completed to a downhole depth of 407.1m.

 

 

Table 2: Significant Drillhole Intersections

Hole

Downhole Depth (m)

Interval

W

WO3

 

Zn

 

Ag

Cu

Intersection Composites

ID

From

To

(m)

(ppm) a

(%) b

(%) c

 

(%) d

 

(g/t) e

(ppm) f

(weighted averages) c

PM24-003

89.5

90.0

0.50

2,380

0.23

0.29


0.00


-

16

3.5m @ 0.235 % WO3

90.0

93.0

3.00

1,790

-

0.23

Δ

0.01


-

15


PM24-004

87.8

90.5

2.70

1,690

-

0.21

Δ

0.03


0.6

90

19.7m @ 0.232 % WO3, 1.8 g/t Ag & 0.37% Zn

90.5

92.0

1.50

100

-

0.01

Δ

0.03


-

90

92.0

93.6

1.60

2,110

0.20

0.25


0.11


1.9

338

93.6

95.0

1.40

2,580

0.26

0.33


0.05


0.5

111

95.0

96.6

1.60

1,920

-

0.24

Δ

0.06


1.5

231

96.6

99.7

3.10

460

-

0.06

Δ

0.14


4.5

742

99.7

101.2

1.50

2,370

0.23

0.29


0.08


1.2

242

101.2

102.7

1.50

5,280

0.53

0.67


0.10


1.0

49

102.7

104.5

1.80

2,530

0.25

0.32


0.09


0.9

74

104.5

106.0

1.50

920

-

0.12

Δ

2.12

F

3.0

613

106.0

107.5

1.50

1,900

-

0.24

Δ

1.90

F

3.0

219

PM24-004

117.0

118.5

1.50

2,230

0.41

0.52


0.34


141.0

14

8.6m @ 0.303 % WO3, 43.9g/t Ag, 0.16 % Zn & 0.04 % Cu

118.5

120.0

1.50

3,110

0.31

0.39


0.41


95.8

500

120.0

121.5

1.50

710

-

0.09

Δ

0.05


3.3

888

121.5

123.0

1.50

1,720

-

0.22

Δ

0.06


9.9

396

123.0

124.1

1.10

2,320

0.24

0.30


0.03


2.3

582

124.1

125.6

1.50

2,330

0.24

0.30


0.03


-

81


PM24-006

87.5

89.0

1.50

1,120

-

0.14

Δ

0.25


9.3

198

3.0m @ 0.272 % WO3, 29.85 g/t Ag, 0.52 % Zn & 0.07 % Cu

89.0

90.5

1.50

3,380

0.32

0.40


0.80


50.4

1,300

PM24-006

97.2

98.6

1.40

810

-

0.10

Δ

3.84

F

10.4

775

20.8m @ 0.142 % WO3, 10.41 g/t Ag, 0.75 % Zn & 0.10 % Cu

98.6

100.1

1.50

1,420

-

0.18

Δ

3.78

F

20.2

593

100.1

101.7

1.60

630

-

0.08

Δ

0.81


34.1

147

101.7

103.2

1.50

1,220

-

0.15

Δ

0.76


43.2

184

103.2

104.7

1.50

930

-

0.12

Δ

0.34


3.3

217

104.7

106.2

1.50

980

-

0.12

Δ

0.31


3.4

348

106.2

107.6

1.40

1,670

-

0.21

Δ

0.28


7.6

1,100

107.6

108.3

0.70

2,700

0.42

0.53


0.17


2.5

660

108.3

109.8

1.50

1,110

-

0.14

Δ

0.07


2.6

778

109.8

111.3

1.50

930

-

0.12

Δ

0.05


1.9

839

111.3

112.8

1.50

450

-

0.06

Δ

0.03


0.9

358

112.8

113.5

0.70

500

-

0.06

Δ

0.04


0.7

431

113.5

114.9

1.40

1,100

-

0.14

Δ

0.06


2.6

1,020

114.9

116.4

1.50

1,340

-

0.17

Δ

0.13


10.3

6,940

116.4

118.0

1.60

930

-

0.12

Δ

0.09


1.4

298


PM24-007

38.4

39.7

1.30

2,030

0.28

0.35


0.16


1.8

194

5.1m @ 0.175 % WO3, 1.76 g/t Ag & 0.16 % Zn

39.7

41.2

1.50

20

-

0.00

Δ

0.07


0.9

91

41.2

42.7

1.50

1,400

-

0.18

Δ

0.13


3.0

223

42.7

43.5

0.80

1,610

-

0.20

Δ

0.39


1.0

231


PM24-012

66.0

67.5

1.50

2,570

0.29

0.37


0.18


6.2

101


39.3m @ 0.735 % WO3, 39.71 g/t Ag, 0.30 % Zn & 0.44 % Cu

67.5

69.2

1.70

2,870

0.28

0.35


0.84


21.0

560

69.2

70.7

1.50

410

-

0.05

Δ

0.23


1.8

331

70.7

72.2

1.50

2,270

0.23

0.29


0.04


0.6

166

72.2

73.1

0.90

2,630

0.26

0.33


0.03


-

67

73.1

74.4

1.30

930

-

0.12

Δ

0.21


20.0

418

74.4

76.1

1.70

80

-

0.01

Δ

0.08


-

40

76.1

77.6

1.50

3,780

0.38

0.48


1.96

F

22.2

4,190

77.6

79.1

1.50

1,030

-

0.13

Δ

0.42


8.9

553

79.1

80.6

1.50

1,130

-

0.14

Δ

0.60


1.1

175

80.6

81.3

0.70

2,400

0.23

0.29


0.47


14.2

1,575

81.3

82.5

1.20

1,950

-

0.25

Δ

0.64


20.7

5,040

82.5

84.0

1.50

3,150

1.37

1.73


0.41


21.9

8,630

19.8m @ 1.219 % WO3, 69.63 g/t Ag, 0.15 % Zn & 0.75 % Cu

84.0

85.5

1.50

2,490

1.39

1.75


0.30


38.5

25,900

85.5

87.0

1.50

2,290

1.35

1.70


0.18


31.2

17,700

87.0

88.5

1.50

2,220

1.32

1.66


0.11


15.3

7,450

88.5

89.2

0.70

3,800

0.37

0.47


0.09


3.4

1,760

89.2

90.5

1.30

1,300

-

0.16

Δ

0.02


-

123

90.5

92.0

1.50

3,580

0.35

0.44


0.06


0.5

187

92.0

93.6

1.60

3,430

0.45

0.57


0.09


2.1

1,080

93.6

95.0

1.40

2,290

1.26

1.59


0.05


2.5

952

95.0

96.6

1.60

4,040

1.04

1.31


0.23


13.9

7,220

96.6

98.0

1.40

4,310

0.73

0.92


0.21


10.7

5,110

98.0

99.3

1.30

2,230

0.87

1.10


0.12


26.6

13,800

99.3

100.8

1.50

1,980

-

0.25

Δ

0.14


61.7

8,600

100.8

102.3

1.50

2,940

2.30

2.90

 

0.03

 

696.0

2,910

102.3

103.8

1.50

2,910

0.30

0.38


0.10


9.3

4,860


103.8

105.3

1.50

2,180

0.22

0.28


0.39


6.8

1,340


PM24-013

63.5

64.8

1.30

2,380

0.23

0.29


0.73


27.6

127

20.8m @ 0.228 % WO3, 11.48 g/t Ag & 0.28 % Zn

64.8

66.3

1.50

100

-

0.01

Δ

0.04


0.7

103

66.3

67.8

1.50

2,810

0.27

0.34


0.34


2.1

349

67.8

69.2

1.40

2,000

0.19

0.24


0.62


1.1

376

69.2

70.7

1.50

2,530

0.26

0.33


0.77


21.0

160

70.7

72.2

1.50

2,030

0.20

0.25


0.47


103.0

218

72.2

73.7

1.50

1,790

-

0.23

Δ

0.08


1.9

167

73.7

75.3

1.60

1,390

-

0.18

Δ

0.04


-

85

75.3

76.8

1.50

2,250

0.22

0.28


0.03


0.6

234

76.8

78.3

1.50

280

-

0.04

Δ

0.03


-

142

78.3

79.8

1.50

3,290

0.33

0.42


0.04


1.4

785

79.8

81.4

1.60

1,430

-

0.18

Δ

0.06


0.5

265

81.4

82.8

1.40

1,420

-

0.18

Δ

0.55


2.7

1,650

82.8

84.3

1.50

1,960

-

0.25

Δ

0.27


0.5

173

PM24-013

93.0

94.5

1.50

990

-

0.12

Δ

1.11

F

87.3

904

16.8m @ 0.256 % WO3, 14.8 g/t Ag, 0.44 % Zn & 0.09 % Cu

94.5

96.0

1.50

3,060

0.31

0.39


1.64

F

56.5

2,100

96.0

97.8

1.80

2,360

0.31

0.39


0.21


6.7

1,325

97.8

99.3

1.50

820

-

0.10

Δ

0.11


0.8

343

99.3

100.8

1.50

1,090

-

0.14

Δ

0.12


1.6

511

100.8

102.3

1.50

2,030

0.28

0.35


0.13


2.5

980

102.3

103.8

1.50

2,690

0.27

0.34


0.09


3.5

1,215

103.8

105.3

1.50

2,790

0.29

0.37


1.40

F

3.3

1,615

105.3

106.8

1.50

1,460

-

0.18

Δ

0.04


1.0

497

106.8

108.3

1.50

2,210

0.22

0.28


0.03


0.6

149

108.3

109.8

1.50

950

-

0.12

Δ

0.02


0.6

35

 

Table 2 notes:

Summary of certificated assay results provided by accredited laboratory ALS USA Inc

ppm: parts per million, 10,000 ppm = 1%

a: ALS method ME-ICP61;

b: ALS method W-XRF10;

c:  WO3 % calculated as W % multiplied by 1.2611

d: ALS method Zn-OG62

e: highest precision result from ALS method Ag-OG62(4 acid 1-1,500 ppm), AG OG46 (aqua regia 1-1,500 ppm) or ME-ICP61 0.5-100ppm Ag

f: ALS method ME-ICP61 or CU-OG62 for assays >1% Cu

Δ: denotes WO3 % calculated using W ppm (method ME-ICP61)

F: denotes Zn % calculated using Zn ppm (method ME-ICP61)

 

Media

Figure 1: 2024 drillhole plan map showing the location of all holes drilled to date. Cross section A-A' located in yellow (see Fig. 2 below for cross-section).

 

A close-up of a graph Description automatically generated

Figure 2: Cross section A-A'. North is towards A, south towards A'.

 

References

1:            Arc-Related Porphyry Molybdenum Deposit Model. R.D. Taylor, J.M. Hammarstrom, N.M. Piatak, R.S. Sean, II. USGS Scientific Investigations Report (2010).

2:            https://www.londonstockexchange.com/news-article/GMET/pilot-mountain-inversion-results-issue-of-options/16657001

3:            https://www.londonstockexchange.com/news-article/GMET/pilot-mountain-significant-porphyry-update/16589687

 

 

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).

 

 

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 the 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 Resources plc to provide technical support.

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 or contact the following:

Guardian Metal Resources plc

Oliver Friesen (CEO)

Tel: +44 (0) 20 7583 8304

Cairn Financial Advisers LLP

Nominated Adviser

Sandy Jamieson/Jo Turner/Louise O'Driscoll

Tel: +44 20 7213 0880

Shard Capital Partners LLP

Lead Broker

Damon Heath/Erik Woolgar

Tel: +44 (0) 20 7186 9000

First Equity Limited

Broker

Jason Robertson

Tel: +44 20 7374 2212

 

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