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FRONTIER INTERSECTS 326.6M OF PEGMATITE AVERAGING 1.92% Li2O, INCLUDING A 50M ZONE OF 2.98% Li2O

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FRONTIER INTERSECTS 326.6M OF PEGMATITE AVERAGING 1.92% Li2O, INCLUDING A 50M ZONE OF 2.98% Li2O

 

 

 

 

 

Frontier Lithium Inc. (TSX-V: FL) (FRA: HL2) (OTCQX: LITOF) is pleased to announce the results for four additional drill holes completed during the Phase XII drill program on the Spark pegmatite which began in May 2022 and is currently in progress. The initial drill holes were designed to convert inferred material to the indicated category for the planned open pit. The Spark pegmatite is one of the two delineated premium spodumene-bearing lithium deposits on the PAK Lithium Project.

 

Highlights

  • Phase XII delineation and infill drilling with two drill rigs is currently being conducted, whereby, the Company has completed 11,150m of drilling in 34 holes as of September 11th, 2022.  Analysis from 4 of the holes are reported herein.
  • DDH PL-065-22 intersected a total of 171.5m of pegmatite averaging 1.57% Li2O and thin sheets of mafic rafts within the pegmatite as expected. Collared north of the Spark Pegmatite in mafic volcanic 30m west of PL-062-22, hole was drilled to convert inferred material at depth and to provide a northern contact of the Spark Pegmatite.
    • Includes 19.2m zone from 241.8m to 261.0m of 2.88% Li2O, 2.23% Cs2O and 513 ppm Ta2O5
  • DDH PL-067-22 intersected 326.6.m of pegmatite averaging 1.92% Li2O.  Collared in pegmatite on the southern end of the Spark orebody and 40m east of PL-066-22, the hole was drilled to convert inferred material at depth
    • Includes 50m from 98.0m to 148.0m averaging 2.98% Li2O.
  • DDH PL-069-22 intersected 275.3m of pegmatite averaging 1.74% Li2O.  Collared in Mafic Volcanic on the southern end of the Spark orebody, hole was drilled to convert inferred material at depth.
    • Includes 30m zone from 348.0m to 378.0m of 2.32% Li2O.
  • DDH PL-072-22 intersected 124.1m of pegmatite averaging 1.55% Li2O.  Collared in Mafic Volcanic on the southern end of the Spark orebody, 30m east of PL-069-22, the hole was drilled to convert inferred material at depth.

 

“After tripling the metres drilled since the Resource update in March 2021 and targeting the Inferred, it is safe to say that the model remains robust and there will be substantial new Inferred.” states Garth Drever, V.P. Exploration. “The Spark deposit remains open in all directions with predictable grades and widths.”

 

The initial objective for the Phase XII drill program was to focus on converting the inferred resource within the central portion of the Spark deposit at depth.  Frontier is now focused on defining the limits of the pegmatite and deepening some of the initial holes such as PL-065-22, that had been terminated earlier in the program.

 

Figure 1 is a location map showing the project area including Frontier’s land tenure and location of the three lithium-cesium-tantalum pegmatites.

 

Figure 2 is a plan view showing all drilling with analytical data completed to date with emphasis on drill hole traces reported in this release.

 

Table 1 details the drill holes with mineralized intersections while Table 2 summarizes all the Phase XII drill holes reported within and completed up to PL-073-22.

 

Table 1: Details of Mineralized Intersections

 

Drill Hole
PL-065-22
Collared north of the Spark Pegmatite in mafic volcanic 30m west of PL-062-22, PL-065-22 was drilled to convert inferred material at depth and to provide a northern contact of the Spark Pegmatite.  Intersected a total of 171.5m of 1.57% Li2O and thin sheets of mafic rafts within the pegmatite as expected.
Zone From
(m)
To
(m)
Width
(m)
Li2O
(%)
Cs2O
(%)
Ta2O5
(ppm)
Nb2O5
(ppm)
SnO2
(ppm)
Rb2O
(%)
Unit
Li-Enriched 112.9 184.1 71.2 1.58 0.03 109 64 107 0.36 Pegmatite, aplite, minor mafics
Li-Enriched 190.1 221.1 31.0 1.66 0.02 85 87 31 0.24 Pegmatite-aplite
Li-Cs-Ta-Rb-Enriched    241.8 287.1 45.3 1.86 1.05 327 63 152 0.53 Pegmatite-aplite
including (Li-Cs-Ta-Rb) 241.8 261.0 19.2 2.88 2.23 513 44 195 0.70 Pegmatite
Li-Enriched 306.8 330.9 24.1 0.90 0.02 71 46 43 0.16 Pegmatite, minor mafics

 

Drill Hole
PL-067-22
Collared in pegmatite on the southern end of the Spark orebody and 40m east of PL-066-22, the hole was drilled to convert inferred material at depth intersected 326.6m of continuous pegmatite averaging 1.92% Li2O
Zone From
(m)
To
(m)
Width
(m)
Li2O
(%)
Cs2O
(%)
Ta2O5
(ppm)
Nb2O5
(ppm)
SnO2
(ppm)
Rb2O
(%)
Unit
Li-Enriched 11.4 338.0 326.6 1.92 0.01 94 83 31 0.25 Aplite, minor pegmatite
including 98.0 148.0 50.0 2.98 0.01 85 64 25 0.18 Aplite

 

Drill Hole
PL-069-22
Collared in Mafic Volcanic on the southern end of the Spark orebody, PL-069-22 was drilled to convert inferred material at depth.  Intersected 275.3m of pegmatite at 1.74% Li2O.  Includes a 30m interval from 348 to 378 averaging 2.32% Li2O.
Zone From
(m)
To
(m)
Width
(m)
Li2O
(%)
Cs2O
(%)
Ta2O5
(ppm)
Nb2O5
(ppm)
SnO2
(ppm)
Rb2O
(%)
Unit
Li-Enriched 85.0 182.9 97.9 1.88 0.03 173 101 60 0.38 Aplite, minor mafics
Li-Enriched 196.7 310.9 114.3 1.61 0.03 148 86 52 0.32 Aplite, minor mafics
Li-Enriched 332.9 396.0 63.1 1.79 0.02 141 88 46 0.26 Pegmatite-aplite
including 348.0 378.0 30.0 2.32 0.02 146 81 38 0.28 Pegmatite-aplite

 

Drill Hole
PL-072-22
Collared in Mafic Volcanic on the southern end of the Spark orebody, 30m east of PL-069-22, the hole was drilled to convert inferred material at depth. Intersected 124.1mm of pegmatite averaging 1.55% Li2O.
Zone From
(m)
To
(m)
Width
(m)
Li2O
(%)
Cs2O
(%)
Ta2O5
(ppm)
Nb2O5
(ppm)
SnO2
(ppm)
Rb2O
(%)
Unit
Li-Enriched 34.4 41.7 7.4 1.89 0.01 159 80 36 0.19 Pegmatite-aplite
Li-Enriched 98.6 132.6 34.0 1.31 0.02 140 55 65 0.18 Pegmatite, minor mafics
Li-Enriched 153.5 184.0 30.5 1.18 0.02 107 57 70 0.23 Aplite, minor mafics
Li-Enriched 191.0 221.6 30.6 1.62 0.02 118 69 62 0.21 Aplite

 

Table 2:  Summary of Phase XII Drill Program (May to September 11, 2022)

 

DDHNo Date Drilled UTM Zone 15N (NAD83) Collar Orient Metres Drilled
Start End Easting Northing (mASL) Azim Dip Start End
Phase XII   PL-057-221 2022-05-15 2022-05-17 472,733 5,829,489 355.9 358 -55 0 172.5
PL-058-221 2022-05-17 2022-05-23 472,733 5,829,489 355.9 177 -70 0 297.4
PL-059-222 2022-05-24 2022-05-28 472,698 5,829,535 356.0 165 -78 0 316
PL-060-222 2022-05-27 2022-06-04 472,749 5,829,559 360.0 180 -73 0 360
PL-061-222 2022-05-20 2022-05-27 472,773 5,829,561 360.2 178 -65 0 327
PL-062-223 2022-05-28 2022-06-05 472,712 5,829,596 356.2 176 -65 0 360
PL-063-221 2022-06-05 2022-06-10 472,746 5,829,539 360.0 187 -70 0 348.5
PL-064-221 2022-06-05 2022-06-10 472,712 5,829,596 356.2 141 -65 0 352.5
PL-065-22 2022-06-10 2022-06-22 472,686 5,829,583 354.0 173 -72 0 330.86
PL-066-223 2022-06-12 2022-06-27 472,732 5,829,371 325.0 323 -70 0 365.67
PL-067-22 2022-06-29 2022-07-04 472,778 5,829,383 327.0 315 -70 0 352.5
PL-068-222 2022-06-22 2022-06-27 472,790 5,829,540 360.0 171 -55 0 343.5
PL-069-22 2022-07-06 2022-07-15 472,814 5,829,385 326.0 324 -61 0 412.3
PL-070-223 2022-06-28 2022-07-04 472,805 5,829,588 360.0 184 -54 0 405
PL-071-223 2022-07-04 2022-07-15 472,805 5,829,588 360.0 160 -52 0 384.6
PL-072-22 2022-07-15 2022-07-21 472,847 5,829,384 326.0 349 -61 0 386.2
PL-073-223 2022-07-16 2022-07-23 472,816 5,829,589 360.0 146 -52 0 392
PL-074-22 2022-07-28 2022-08-02 472,584 5,829,497 354.0 162 -47 0 403.5
PL-075-22 2022-08-01 2022-08-06 472,571 5,829,490 354.0 177 -47 0 408
PL-076-22 2022-07-25 2022-08-05 472,846 5,829,384 326.0 314 -63 0 438
PL-077-22 2022-08-08 2022-08-24 472,864 5,829,390 326.0 354 -56 0 433.38
PL-077A-22 2022-08-06 2022-08-07 472,871 5,829,377 324.0 335 -65 0 24.6
PL-078-22 2022-08-25 2022-09-01 472,939 5,829,369 326.0 341 -55 0 339.7
PL-079-22 2022-08-06 2022-08-15 472,538 5,829,480 357.0 177 -48 0 417
PL-080-22 2022-08-16 2022-08-23 472,687 5,829,511 354.0 193 -55 0 418.5
PL-081-22 2022-08-24 2022-08-30 472,689 5,829,499 354.0 177 -46 0 367.7
PL-082-22 2022-08-30 2022-09-02 472,718 5,829,455 355.0 6 -61 0 241.5
PL-083-22 2022-09-02 2022-09-06 472,971 5,829,367 326.0 343 -57 0 377.3
PL-084-22 2022-09-07 2022-09-11 472,983 5,829,380 325.0 358 -42 0 327
PL-085-22 2022-09-02 2022-09-05 472,731 5,829,472 354.0 309 -57 0 232
PL-086-22 2022-09-05 2022-09-08 472,731 5,829,472 354.0 162 -46 0 201
PL-087-22 2022-09-08 2022-09-11 472,701 5,829,451 354.0 318 -50 0 213.4
PL-GDH-11-22    2022-07-22 2022-07-24 473,046 5,829,379 325.0 285 -47 0 173.5
PL-GDH-12-22 2022-07-23 2022-07-25 472,456 5,829,470 358.0 119 -45 0 228
Total metres drilled  11,150.6
Notes: 1: Reported on Release July 25, 2022
2: Reported on Release August 17, 2022
3: Reported on Release September 20, 2022

 

 

Other Matters

 

The Company has elected to introduce a phased approach in the Preliminary Feasibility Study currently underway by firstly advancing a mine and mill development to initially produce premium spodumene concentrates in Phase I. Phase II plans will increase mine and mill production to feed its downstream refinery to produce lithium chemicals for the energy storage and electric vehicle battery market.  As a result of the Phased approach, the Company is updating delivery of the PFS to calendar Q1 2023.

 

Due Diligence

 

All scientific and technical information in this release has been reviewed and approved by Garth Drever, P.Geo., the qualified person under the definitions established by National Instrument 43-101.  Under Frontier’s QA/QC procedures, all drilling was completed by Chenier Drilling Ltd. of Val Caron, ON using thin walled BTW drill rods (4.2 cm core diameter) and a Reflex ACT III oriented core system. Using the Reflex system, the drill core was oriented and marked as it was retrieved at the drill. The core was boxed and delivered to the Frontier core shack where it was examined, geologically logged, and marked for sampling. The core was photographed prior to sampling.  Using a rock saw, the marked sample intervals were halved with one-half bagged for analysis. Sample blanks along with lithium, rubidium and cesium certified reference material was routinely inserted into the sample stream in accordance with industry recommended practices. Field duplicate samples were also taken in accordance with industry recommended practices. The samples were placed in poly sample bags and transported to Red Lake by float plane and then shipped to AGAT Laboratories Ltd. (AGAT) in Thunder Bay for sample preparation and to Mississauga, Ontario for processing and quantitative multi-element analysis. AGAT is an ISO accredited laboratory. The core is stored on site at the Pakeagama Lake exploration camp.

 

About Frontier Lithium

 

Frontier Lithium is a preproduction business with an objective to become a strategic domestic supplier of spodumene concentrates for industrial users as well as battery-grade lithium hydroxide and other chemicals to the growing electric vehicle and energy storage markets in North America. The Company maintains the largest land position and resource in a new premium lithium mineral district located in Ontario’s Great Lakes region.

 

About PAK Lithium Project

 

The PAK Lithium Project is one of the highest quality known lithium mineral resource in North America due to its high-grade and low impurity properties in the pegmatite ore material and the spodumene mineral. The Company published a Preliminary Economic Assessment in April 2021 that indicated an after-tax Net Present Value at an 8% discount rate of US $974 million and a 21% after-tax Internal Rate of Return through a fully-integrated lithium operation utilizing spodumene concentrate generated from the PAK Lithium Project to achieve downstream conversion for production of battery-quality lithium chemicals and concentrate for the glass and glass-ceramics market. For details, please refer to the NI 43-101 Technical report by BBA Engineering Ltd. issued on April 9, 2021 and filed under the Company’s profile on SEDAR on April 14, 2021.

 

 

 

Posted October 11, 2022

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