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FRONTIER INTERSECTS 357.5m OF HIGH-GRADE LITHIUM AVERAGING 1.63% Li2O OVER A HORIZONTAL DISTANCE OF 110 METRES AND REMAINS OPEN

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FRONTIER INTERSECTS 357.5m OF HIGH-GRADE LITHIUM AVERAGING 1.63% Li2O OVER A HORIZONTAL DISTANCE OF 110 METRES AND REMAINS OPEN

 

 

 

 

 

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 8,000m of drilling in 24 holes at the time of this press release. Currently, analysis from 8 of the holes have been received; 4 of which were reported in the July 25th press release and the remaining 4 are reported herein.
  • DDH PL-059-22 intersected 145m of pegmatite over a 316m interval from surface with an average grade of 1.5% Li2O along with some minor mafic volcanic sheets (<6m apparent width).
  • DDH PL-060-22 intersected 357.5m of spodumene-bearing pegmatite averaging 1.63% Li2O throughout the entire hole representing a horizontal distance of 110m.
    • An enriched 28 m tantalum-rubidium-tin zone was intersected from 84 to 112m grading 370 ppm Ta2O5, 0.62% Rb2O and 328 ppm SnO2 .
    • Hole was terminated in spodumene-bearing pegmatite at 360m (vertical depth of 345m).
  • DDH PL-061-22 was collared in pegmatite intersecting 280.7m averaging 1.42% Li2O.
    • Hole was terminated in mafic volcanics prior to intersecting the southernmost identified zone of the pegmatite and will be extended.
  • DDH PL-068-22 intersected spodumene pegmatite zones typically 20 to 50 m thick with grades ranging from 1.42% to 2% Li2O;
    • Includes 12m zone from 28 to 40m averaging 3% Li2O.
    • Also includes elevated Ta (213 ppm Ta2O5) from 59.3 to 66.3m.

 

“So far there have been no surprises with the drill intersections.” states Garth Drever, V.P. Exploration. “Our modeling beneath the central indicated resource appears solid and drilling to the west continues to intersect significant pegmatite zones.”

 

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. DDH’s PL-059-22 and 060-22 were terminated in pegmatite and PL-061-22 was ended in mafic volcanics due to PFS time constraints requiring quick turn-around of analysis. These and other holes will be extended later 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 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 completed up to PL-068-22.

 

Table 1: Details of Mineralized Intersections

 

 
         DrillHole        
PL-059-22
Designed to convert inferred material by drilling a steep (-78 dip) hole to the west of PL-057-22.  Intersected
145m of pegmatite averaging 1.5% Li2O out of a total length of 316m, including 5 narrow (<6m apparent width) >
mafic sheets. Ended with 37m of aplite with 1.3% Li2O.
Zone From
(m)
To   
(m)
Width
(m)
Li2
(%)
Cs2O
(%)
Ta2O5
(ppm)
Nb2O5
(ppm)
SnO2
(ppm)
Rb2O
(%)
Unit
Li-Enriched 1.9 79.0 77.1 1.60 0.01 44 75 57 0.27 Pegmatite-aplite
including 1.9 37.2 35.3 2.04 0.01 38 66 57 0.30 Pegmatite
including 1.9 10.0 8.1 2.97 0.01 49 61 36 0.16 Pegmatite
Li-Enriched 142.8 161.6 18.8 1.48 0.02 74 76 50 0.18 Aplite
Li-Enriched 190.0 227.8 37.8 1.27 0.01 94 73 88 0.23 Pegmatite
Li-Enriched 253.6 266.1 12.5 1.03 0.02 132 81 30 0.23 Pegmatite
including 257.1 262.4 5.3 1.42 0.05 96 69 36 0.27 Pegmatite
Li-Enriched 279.0 316.0 37.0 1.30 0.01 116 87 35 0.29 Aplite
including 290.0 316.0 26.0 1.52 0.01 103 87 31 0.31 Aplite
       DrillHole        
PL-060-22
Designed to convert inferred material by collaring 20m to the east of the trace of PL-057-22 and targeting
the area below Channels 35 and 36. Intersected 357.5m (entire hole) of pegmatite and aplite averaging 1.63% Li2O.
Some minor mafic sheets occur from 244 to 251m and from 333 to 353m
Zone From
(m)
To   
(m)
Width
(m)
Li2
(%)
Cs2O
(%)
Ta2O5
(ppm)
Nb2O5
(ppm)
SnO2
(ppm)
Rb2O
(%)
Unit
Li-Enriched 2.6 360.0 357.5 1.63 0.05 99 80 75 0.31 Pegmatite-aplite
including (Ta-Sn-Rb) 84.0 112.0 28.0 1.28 0.35 370 86 328 0.62 Aplite-pegmatite
Li-Enriched 116.0 166.0 50.0 2.24 0.03 65 63 59 0.27 Pegmatite
                 Drill Hole                  
PL-061-22
Collared midway between PL-041-19 and PL-053-21 to convert Inferred material.  Intersected 280.7m of
pegmatite grading 1.42%  Li2O (included thin mafic sheets typically <1 m and up to 8m from 120 to 165m: 24m >
combined). The hole was terminated in mafic host rock short of the southern zone of the pegmatite due to time
constraints and will be extended later in the program.
Zone From
(m)
To   
(m)
Width
(m)
Li2
(%)
Cs2O
(%)
Ta2O5
(ppm)
Nb2O5
(ppm)
SnO2
(ppm)
Rb2O
(%)
Unit
Li-Enriched 2.0 282.7 280.7 1.42 0.04 107 79 63 0.27 Pegmatite-aplite
including 11.6 19.3 7.7 2.67 0.01 74 63 29 0.15 Pegmatite
including 140.6 150.0 9.4 2.56 0.03 143 46 64 0.29 Pegmatite
including 200.0 218.0 18.0 1.86 0.02 115 97 54 0.29 Pegmatite-aplite
       Drill Hole       
PL-068-22
Collared near the start of Channel 37 to test the extent of pegmatite and mafic host rock to the east of PL-041-
19. Intersected predictable mafic sheets of variable thickness. The upper 46.4 m of pegmatite averaged 2% Li2O
similar to Channel 37. Predominately pegmatite averaging around 1.5% Li2O from 100 to 200m. The southern
lobe of the pegmatite was intersected from 276 to 298m averaging 1.4% Li2O.
Zone From
(m)
To   
(m)
Width
(m)
Li2
(%)
Cs2O
(%)
Ta2O5
(ppm)
Nb2O5
(ppm)
SnO2
(ppm)
Rb2O
(%)
Unit
Li-Enriched 0.9 47.3 46.4 1.98 0.04 71 69 55 0.27 Aplite-pegmatite
including 0.9 40.0 39.1 2.17 0.02 52 59 47 0.23 Pegmatite
including 28.0 40.0 12.0 3.00 0.03 32 35 39 0.21 Aplite
including Ta-Enriched 42.0 46.7 4.7 1.10 0.05 213 146 111 0.41 Pegmatite-aplite
Li-Ta-Enriched 59.3 66.3 7.0 1.59 0.01 174 116 49 0.22 Aplite
Li-Enriched 100.3 147.9 47.6 1.61 0.01 106 86 62 0.31 Aplite-pegmatite
Li-Enriched 151.1 163.0 11.9 1.50 0.01 100 83 51 0.29 Aplite-pegmatite
Li-Enriched 171.0 200.6 29.6 1.50 0.01 94 81 42 0.28 Aplite
Li-Enriched 276.0 298.1 22.2 1.42 0.01 50 92 87 0.22 Aplite
including 288.0 296.0 8.0 2.23 0.01 40 79 49 0.22 Aplite

 

Table 2:  Summary of Phase XII Drill Program (May to July 4, 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-059-22 2022-05-24 2022-05-28 472,698 5,829,535 356.0 165 -78 0 316
PL-060-22 2022-05-27 2022-06-04 472,749 5,829,559 360.0 180 -73 0 360
PL-061-22 2022-05-20 2022-05-27 472,773 5,829,561 360.2 178 -65 0 327
PL-062-222 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-065-222 2022-06-10 2022-06-22 472,686 5,829,583 354.0 173 -72 0 330.86
PL-066-222 2022-06-12 2022-06-27 472,732 5,829,371 325.0 323 -70 0 365.67
PL-067-222 2022-06-29 2022-07-04 472,778 5,829,383 327.0 315 -70 0 352.5
PL-068-22 2022-06-22 2022-06-27 472,790 5,829,540 360.0 171 -55 0 343.5
Phase XII is ongoing and scheduled to be completed in September 2022 Total metres drilled  3,926.4
Notes:
1: Results reported on July 25, 2022
2: Analytical Data not completely received

 

 

Due Diligence

 

All scientific and technical information in this release has been reviewed and approved by Garth Drever, P.Geo., the qualified person (QP) 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 that is targeting to become a manufacturer of battery-quality lithium materials to support electric vehicle and battery supply chains in North America. Frontier is developing the PAK Lithium Project which contains one of North America’s highest-grade, large-tonnage hard-rock lithium resources in the form of a rare low-iron spodumene. The project continues to have significant exploration upside with potential to increase the lithium resource. The Company is a pure-play lithium development opportunity with the largest land position in a premium lithium mineral district located in Northern Ontario.

 

About PAK Lithium Project

 

The PAK Lithium Project contains North America’s highest grade lithium resource that is top three in size on the continent and is considered premium quality globally as a result of its rare low-iron spodumene. A 2021 preliminary economic assessment (National Instrument 43-101 technical report titled “Pak Property” by BBA E&C Inc., issued on April 5, 2021) delivered a fully integrated lithium operation from the resource to achieve downstream conversion plan for production of battery-quality lithium salts. The study resulted in an after-tax net present value (discounted at 8 per cent) of $974-million (U.S.) with a 21-per-cent internal rate of return. The Project encompasses close to 27,000 hectares at the south end of Ontario’s Electric Avenue, the largest land package hosting premium lithium-bearing pegmatites in Ontario. The Project maintains a measured and indicated resource of 21.64 million tonnes (Mt) averaging 1.56 per cent lithium oxide (Li2O) and inferred resource of 20.87 Mt averaging 1.42 per cent Li2O. The Project covers 65 kilometres of the Electric Avenue’s length and remains largely unexplored; however, since 2013, the company has delineated two premium spodumene-bearing lithium deposits (PAK and Spark), located 2.3 kilometres apart. Considerable exploration upside is supported on the Project through two other spodumene-bearing discoveries: the Bolt pegmatite (located between the PAK and Spark deposits), as well as the Pennock pegmatite (25 kilometres northwest of PAK Deposit within the project claims).

 

 


Summer students logging core. (CNW Group/Frontier Lithium Inc.)

 

 


Figure 1: Location Map showing land tenure and geology (CNW Group/Frontier Lithium Inc.)

 

 


Figure 2: Planview map of the Spark pegmatite showing drillhole traces (CNW Group/Frontier Lithium Inc.)

 

 

Posted August 17, 2022

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