DRILL RESULTS EXTEND THE SPARK LITHIUM DEPOSIT STRIKE LENGTH BY 80 METRES TO THE WEST AND DISCOVERS A NEW MINERALIZED ZONE – QNT Press Release

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SUDBURY, ON, June 7, 2022 /CNW/ – Frontier Lithium Inc. (TSXV:FL) (FRA: HL2) (OTCQX:LITOF) (“Frontier” or “the Company”) is pleased to announce the results from the drilling completed during the Phase XI drill program on the Spark pegmatite. Phase XI drilling was completed in March 2022 with a total of 1,342.5m in five holes completed. The Spark pegmatite is one of the two delineated premium spodumene-bearing lithium deposits on the PAK Lithium Project.

Highlights
  • DDH PL-054-22 intersected 95m of 1.31% Li2O from 2.6 to 97.6m including 26m of 2.38% Li2O with elevated Ta2O5 of 200ppm;
  • DDH PL-055-22 intersected 69.5m averaging 1.39% Li2O from 16.5 to 86m.
    • A highly enriched 22.5m tantalum zone was intersected from 180 to 202.6m grading 754 ppm Ta2O5 with the lower 8.6 m averaging just over 0.1% Ta2O5.
  • DDH PL-056-22 intersected an upper (81.5m) and lower (94.3m) mineralized pegmatite zones grading 1.35 and 1.34% Li2O;
    • The lower zone (219 to 313m) was unexpected and appears to be an en-echelon extension of the Spark deposit to the NW.
    • Between the upper and lower zones, narrower (7.1 and 12.9m) spodumene-bearing apltic zones occur with elevated tantalum (up to 536 ppm Ta2O5) and rubidium (up to 0.74% Rb2O).
  • Geomechanical hole PL-GDH-09-22 intersected high-grade spodumene from surface to 24.3m averaging 2.46% Li2O;
    • Includes an upper 10m zone averaging 3.64% Li2O.

The Spark deposit is a leading North American lithium-cesium-tantalum pegmatite with significant size and grades. With the mineralized strike length extended to the west via step-out holes and the discovery of a new zone, we have confidence that the deposit has high potential to continue to increase in size. ” states Garth DreverVP Exploration “We are also beginning to intersect significant tantalum bearing apltic zones that are close to the grades seen at the Tanco mine(1) at Bernic Lake in Manitoba“.

The primary objective for the Phase XI drill program was to focus on low-ground drilling (best drilled in the winter months) to define the western limit of the Spark deposit. Instead, our drilling confirmed that the deposit remains open to the west and we discovered a new zone to the NW that will need further investigation in the future. Two of five geomechanical holes were completed with three delineation holes; two of which were collared in muskeg areas. Figure 1 is a location map showing the project area including Frontier’s land tenure and location of the three lithium-cesium -tantalum pegmatites. It also includes a plan map of the Spark pegmatite with drill hole traces highlighting the Phase XI drilling completed in February-March 2022.

Figure 1: Compilation Map showing the project area and a plan map of the Spark Deposit

Table 1 details the delineation drill holes with mineralized intersections while Table 2 details the intersections from the Geomechanical holes for Phase XI drill holes. Table 3 summarizes all the Phase XI drill holes

Table 1: Details of Mineralized Intersections in the delineation Holes

Drill Hole PL-054-22

Infill/definition drilling to bring DDH spacing to 30-40m and to confirm/test en-echelon pegmatite pods at depth in the southwest of the main pegmatite body. Intersected 95m of 1.13% Li2O with (16 to 26m) of 2.84 and 2.38% Li2O with associated elevated Ta2O5 of up to 200 ppm.

Zone

From (m)

To (m)

Width (m)

Li2O (%)

Cs2O (%)

Ta2O5 (ppm)

Nb2O5 (ppm)

SnO2 (ppm)

Rb2O (%)

Unit

Lithium Enriched

2.6

97.6

95.0

1.13

0.02

132

78

50

0.29

Aplitic Pegmatite

including Ta-Enriched

67.0

93.0

26.0

2.38

0.03

201

72

45

0.44

Pegmatite

including

77.0

93.0

16.0

2.84

0.02

164

68

40

0.28

Pegmatite

Lithium Enriched

185.2

192.2

7.0

1.55

0.01

45

48

30

0.19

Aplitic Pegmatite

Drill Hole PL-055-22

Designed to test the western extent of pegmatite from the south. Intersected predominately an aplitic pegmatite with a 69.5m intersection averaging 1.39% Li2O from 16.5 to 86m. A highly enriched 22.5m Tantalum zone was intersected from 180 to 202.6m with a grade of 754 ppm Ta2O5 with the lower 8.6 m averaging just over 0.1% Ta2O5.

Zone

From (m)

To (m)

Width (m)

Li2O (%)

Cs2O (%)

Ta2O5 (ppm)

Nb2O5 (ppm)

SnO2 (ppm)

Rb2O (%)

Unit

Lithium Enriched

16.5

86.0

69.5

1.39

0.01

82

134

49

0.17

Aplitic Pegmatite

including

52.5

86.0

33.5

1.80

0.01

38

118

38

Full story available on Benzinga.com

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