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Power Metals Intersects 20.25 % cesium over 1.0m and 3.10% lithium over 2.0m at Case Lake

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Power Metals Intersects 20.25 % cesium over 1.0m and 3.10% lithium over 2.0m at Case Lake

 

 

 

 

 

Power Metals Corp.  (TSX-V: PWM) (FRA:OAA1) (OTCQB:PWRMF) is pleased to announce that drill holes have intersected lithium (Li), cesium (Cs) and tantalum mineralization with 20.25 % Cs2O, 1.29 % Li2O and 147 ppm Ta over 1.0 m in drill hole PWM-22-150 in the West Joe Dyke, Case Lake property, Cochrane, Ontario. High-grade Li-Ta mineralization was also intersected: 3.10 % Li2O, 0.09 % Cs2O and 841 ppm Ta over 2.0 m in drill hole PWM-22-149.

 

West Joe Dyke is a three-commodity pegmatite with lithium (Li), cesium (Cs) and tantalum mineralization. The Ta mineralization occurs in the aplite border zone, the spodumene zone and the pollucite zone. The Li mineralization occurs in the spodumene zone and the pollucite zone. The spodumene ranges in colour from pale green to white to pink to purple in the spodumene zone. The Cs mineralization occurs in the pollucite zone as a pod in the center of the West Joe Dyke.

 

Lithium assay highlights on West Joe Dyke include (Table 1):

  • 3.10 % Li2O, 0.09 % Cs2O and 841 ppm Ta, 25.0 – 27.0 m, 2.0 m interval, PWM-22-149 (Figure 1)
  • 2.88 % Li2O, 1.31 % Cs2O and 682 ppm Ta, 20.0 – 22.0 m, 2.0 m interval, PWM-22-149
  • 2.64 % Li2O, 0.08 % Cs2O and 730.6 ppm Ta, 24.59 – 27.32 m, 2.73 m interval, PWM-22-149
  • 2.56 % Li2O, 0.08 % Cs2O and 348 ppm Ta, 26.72 – 27.0 m, 0.28 m interval, PWM-22-156

 

Cesium assay highlights on the West Joe Dyke include (Table 1):

  • 20.25 % Cs2O, 1.29 % Li2O and 147 ppm Ta, 31.0 – 32.0 m, 1.0 interval, PWM-22-150 (Figure 2)
  • 7.93 % Cs2O, 0.52 % Li2O and 129 ppm Ta, 22.0 – 22.67 m, 0.67 m interval, PWM-22-149
  • 6.14 % Cs2O, 0.60 % Li2O and 150 ppm Ta, 18.0 – 18.70 m, 0.70 m interval, PWM-22-148
  • 5.78 % Cs2O, 1.86 % Li2O and 522 ppm Ta, 32.0 – 33.0 m, 1.0 m interval, PWM-22-156
  • 5.72 % Cs2O, 1.94 % Li2O and 862 ppm Ta, 27.76 – 32.0 m, 4.24 m interval, PWM-22-150

 

Tantalum assay highlights on the West Joe Dyke include (Table 1):

  • 1613 ppm Ta, 1.53 % Li2O and 3.69 % Cs2O, 29.0 – 30.0 m, 1.0 m interval, PWM-22-156
  • 1422 ppm Ta, 0.72 % Li2O and 0.03 % Cs2O, 34.53 – 35.0 m, 0.47 m interval, PWM-22-152
  • 1156 ppm Ta, 2.30 % Li2O and 1.33 % Cs2O, 28.0 – 31.0 m, 3.0 m in interval, PWM-22-150 (Figure 2)

 

Table 1 Assay highlights from spodumene and pollucite zones, West Joe Dyke, drill holes PWM-22-148 to 162.

 

 
Drill hole # including From
(m)
To
(m)
Length
(m)
Li2O
(%)
Cs2O
(%)
Ta
(ppm)
PWM-22-148 15.85 18.70 2.85 1.35 1.69 195.89
PWM-22-148 including 18.00 18.70 0.70 0.60 6.14 150.00
PWM-22-148 19.41 22.82 3.41 1.36 0.28 190.25
PWM-22-149 19.65 22.67 3.02 2.11 2.63 494.88
PWM-22-149 including 20.00 22.00 2.00 2.88 1.31 682.00
PWM-22-149 including 22.00 22.67 0.67 0.52 7.93 129.00
PWM-22-149 23.26 23.89 0.63 0.68 4.23 641.00
PWM-22-149 24.59 27.32 2.73 2.64 0.08 730.60
PWM-22-149 including 25.00 27.00 2.00 3.10 0.09 841.00
PWM-22-150 27.76 32.00 4.24 1.94 5.72 862.33
PWM-22-150 including 28.00 31.00 3.00 2.30 1.33 1156.00
PWM-22-150 including 31.00 32.00 1.00 1.29 20.25 147.00
PWM-22-151 30.55 35.81 5.26 0.97 0.44 433.31
PWM-22-151 including 31.00 32.00 1.00 1.54 0.09 571.00
PWM-22-151 including 33.00 34.00 1.00 1.11 2.05 758.00
PWM-22-151 42.05 42.33 0.28 1.41 0.67 225.00
PWM-22-152 32.34 33.40 1.06 1.20 0.03 434.00
PWM-22-152 34.53 35.00 0.47 0.72 0.03 1422.00
PWM-22-153 46.20 49.20 3.00 1.24 0.06 358.91
PWM-22-153 including 47.00 48.77 1.77 1.45 0.06 354.59
PWM-22-154 49.73 50.84 1.11 1.58 0.05 195.00
PWM-22-155 62.63 63.63 1.00 0.58 0.37 2.70
PWM-22-156 including 26.72 27.00 0.28 2.56 0.08 348.00
PWM-22-156 26.72 34.07 7.35 1.44 1.87 571.61
PWM-22-156 including 29.00 30.00 1.00 1.53 3.69 1613.00
PWM-22-156 including 31.00 32.00 1.00 2.02 0.04 59.10
PWM-22-156 including 32.00 33.00 1.00 1.86 5.78 522.00
PWM-22-157 35.94 37.00 1.06 0.88 0.03 899.00
PWM-22-160 no significant values
PWM-22-161 32.81 37.00 4.19 0.84 0.02 334.65
PWM-22-161 including 32.81 34.00 1.19 1.81 0.03 361.00
PWM-22-162 no significant values

 

Drill holes are oriented perpendicular to the strike length of the pegmatite, so mineralization is close to true width.

 

Table 2 Assay highlights from aplite zones, West Joe Dyke, drill holes PWM-22-148 to 162.

 

 
BHID From
(m)
To
(m)
Length
(m)
Li2O
(%)
Ta
(ppm)
PWM-22-150 32.00 34.88 3.88 0.07 331.35
PWM-22-152 35.00 36.00 1.00 0.24 294.00
PWM-22-152 44.10 44.63 0.53 0.06 532.00
PWM-22-153 31.11 32.05 0.94 0.24 518.00
PWM-22-153 34.38 34.85 0.47 0.02 221.00
PWM-22-153 51.00 52.00 1.00 0.09 190.00
PWM-22-154 31.47 31.80 0.33 0.03 255.00
PWM-22-154 53.00 54.00 1.00 0.01 161.00
PWM-22-157 35.94 40.00 4.06 0.42 469.69
PWM-22-157 53.00 54.00 1.00 0.06 326.00
PWM-22-158 60.49 60.73 0.24 0.02 231.00
PWM-22-159 69.65 70.08 0.43 0.01 164.00
PWM-22-161 35.00 36.00 1.00 0.42 612.00
PWM-22-161 37.00 37.66 0.66 0.03 168.00
PWM-22-161 48.03 50.26 2.23 0.03 267.84

 

Drill holes are oriented perpendicular to the strike length of the pegmatite, so mineralization is close to true width.

 

This press release discloses cesium mineralization in drill holes PWM-22-148, 149,150, 151 and 156. Pollucite is the only ore mineral of Cs. The West Joe pollucite zone is characterized by secondary lepidolite (Li) and muscovite along fractures in massive white pollucite. The pollucite zone is enclosed within the inner intermediate zone consisting of coarse-grained pale green spodumene (Li), coarse-grained white K-feldspar enriched in Rubidium (Rb), and Ta-oxide minerals.

 

In addition to the Li-Cs-Ta grades, West Joe has the advantages that the pollucite has shallow depths of less than 50 m below surface and road access to make it easy for future extraction. Another advantage of West Joe is that it has three economic commodities in the same zone: lithium, cesium and tantalum. Canadian, Ontarian and United States governments have labelled all three commodities as critical metals.

 

Dr. Selway is pleased to announce high grade Li-Cs-Ta mineralization as a result of additional drilling on the West Joe Dyke at Case Lake as a follow up on Power Metals press releases dated August 19 and Oct 13, 2022. Power Metals has now intersected the pollucite zone at West Joe in 16 drill holes showing its continuity, consistency and predictability. West Joe Dyke’s easy access, shallow depth and three commodities makes it ideal for future extraction. West Joe is proving to be just as valuable as the Main Dyke at Case Lake.

 

Power Metals 2022 summer drill program is for 5,000 m and over 2,700 m has been completed to date. This press release reports assays received to date from drill holes PWM-22-148 to 162 on the West Joe Dyke. The purpose of each drill hole was to infill on known mineralization to aid in a future resource estimate and to explore to expand known mineralization.

 

Drill hole collar coordinates are given in Table 3.

 

Table 3 West Joe, Case Lake drill hole collar coordinates. NAD 83, Zone 17. Trimble R2 GPS survey with 2 cm accuracy in the horizontal.

 

 
Drill Hole Easting
(m)
Northing
(m)
Elevation
(m)
Azimuth
(◦)
Dip
(◦)
Length
(m)
PWM-22-148 576325.46 5431113.69 344.68 170 -45 36
PWM-22-149 576323.85 5431119 344.46 170 -45 42
PWM-22-150 576321.4 5431132.43 343.4 170 -45 51
PWM-22-151 576319.95 5431139.08 343.12 170 -45 52.5
PWM-22-152 576319.35 5431142.5 342.48 170 -45 66
PWM-22-153 576319.25 5431142.9 342.66 170 -55 66.5
PWM-22-154 576319.22 5431143.17 342.79 170 -65 81
PWM-22-155 576305.28 5431164.42 339.21 170 -45 86
PWM-22-156 576331.36 5431127.52 343.98 170 -45 48
PWM-22-157 576328.12 5431148.63 341.89 170 -45 81
PWM-22-158 576326.91 5431170.97 337.17 170 -45 90
PWM-22-159 576332.81 5431180.61 336.31 170 -45 136
PWM-22-160 576321.75 5431185.3 335.43 170 -70 161
PWM-22-161 576328.43 5431140.78 342.07 170 -45 60
PWM-22-162 576120 5431199 341 170 -45 111

Quality Control

 

The drill core was sampled so that 1 m of the Case Batholith tonalite host rock was sampled followed by 1 m long samples of the pegmatite dyke and 1 m of the Case Batholith. The sampling followed lithology boundaries so that only one lithology unit is within a sample, except for the Cochrane by Power Metals’ geologists. The core was prepared at SGS Garson and analyzed at SGS Burnaby, British Columbia which has ISO 17025 certification. Every 20 samples included one external quartz blank, one external lithium standard and one core duplicate. The ore grade Li2O% was prepared by sodium peroxide fusion with analysis by ICP-OES with a detection limit of 0.002 % Li2O. A Quality Control review of the standards, blanks and core duplicates indicated that they all passed. The ore grade Cs2O% for > 10,000 ppm Cs was prepared by alkaline metal digestion with analysis by FAAS with a detection limit of 0.002 % Cs. Ore grade cesium was analyzed by SGS Lakefield, Ontario which also has ISO 17025 certification.

 

Case Lake Property

 

Case Lake Property is located 80 km east of Cochrane, northeastern Ontario close to the Ontario-Quebec border. Case Lake Property consists of 585 cell claims in Steele, Case, Scapa, Pliny, Abbotsford and Challies townships, Larder Lake Mining Division. The Property is 10 km x 9.5 km in size with 14 identified tonalite domes. The Case Lake pegmatite swarm consists of six spodumene dykes: North, Main, South, East and Northeast Dykes on the Henry Dome and the West Joe Dyke on a new tonalite dome. The Case Lake Property is owned 100% by Power Metals Corp. A National Instrument 43-101 Technical Report has been prepared on Case Lake Property and filed on July 18, 2017.

 

Qualified Person

 

Julie Selway, Ph.D., P.Geo. supervised the preparation of the scientific and technical disclosure in this news release. Dr. Selway is the VP of Exploration for Power Metals and the Qualified Person (“QP”) as defined by National Instrument 43-101. Dr. Selway is supervising the exploration program at Case Lake. Dr. Selway completed a Ph.D. on granitic pegmatites in 1999 and worked for 3 years as a pegmatite geoscientist for the Ontario Geological Survey. Dr. Selway also has twenty-three scientific journal articles on pegmatites.

 

About Power Metals Corp.

 

Power Metals Corp. is a diversified Canadian mining company with a mandate to explore, develop and acquire high quality mining projects.  We are committed to building an arsenal of projects in both lithium and high-growth specialty metals and minerals. We see an unprecedented opportunity to supply the tremendous growth of the lithium battery and clean-technology industries. Learn more at www.powermetalscorp.com

 

 


Figure 1 Aplite and spodumene zones, including coarse-grained green spodumene, West Joe Dyke, Box 6, PWM-22-149. (CNW Group/POWER METALS CORP)

 

 


Figure 2 Aplite, spodumene and pollucite zones, including purple spodumene, West Joe Dyke, 26.8 – 34.88 m, PWM-22-150. (CNW Group/POWER METALS CORP)

 

Posted December 1, 2022

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