Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI000000002277

Record: MDI000000002277

General

Mineral Record Identification
Record Name(s) Spark Pegmatite - 2018
Related Record Type
Related Record(s)
Record Status Developed Prospect With Reported Reserves or Resources
Date Created 2019-Mar-14
Date Last Modified 2023-May-18
Created By
Revised By

Commodities

Primary Commodities: Lithium, Tantalum, Rubidium

Secondary Commodities: Niobium, Cesium, Tin



Location

Township or Area: Pakeagama Lake Area

Latitude: 52° 36' 52.41"    Longitude: -93° 24' 11.08"

UTM Zone: 15    Easting: 472709   Northing: 5829471    UTM Datum: NAD83

Resident Geologist District: Red Lake

NTS Grid: 53C11SW

Point Location Description: Map in Frontier Lake press release Jan 17, 2019

Location Method: Data Compilation

Access Description: Access is by float/ski plane and by seasonal winter road.



Exploration History

2000: Emerald Fields Resources Corp. conducted prospecting and mapping. 2018: Frontier Lithium Inc. discovered the showing while prospecting and carried out geological mapping, stripping, and channel sampling. 2019: Frontier Lithium drilled 9 DDH totalling 2499.5 m. 2022: Frontier Lithium Inc. carried out diamond drilling to infill and upgrade the mineral resource and completed geotechnical drilling, all to support a future pre-feasibility study. A total of 15 983.6 m was drilled from 50 drill holes. 2023: Frontier Lithium Inc. released an updated mineral resource estimate for the Spark deposit on February 23, 2023.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
2.20904 53C11SW2003 53C11SW2003
1814 20000017034 20000017034
3447 20000018600 20000018600

Geology

Province: Superior

Subprovince: Sachigo

Terrane: North Caribou

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Pegmatite 1 Is

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1SpodumeneEconomicOre

Mineralization Comments

Mar 14, 2019 (Therese Pettigrew) - Channels 33 to 35 represent a continuous transect of 64 m averaging 2.05% Li2O. Channel 37 to 38 is 94.5 m averaging 1.85% Li2O with elevated Ta2O5 up to 615 ppm and 2.9% Li2O over 6.2 m from 63.2-69.4 m. Channel 36 averaged 2.02% Li2O over 35 m. Channels 39 and 40 average 1.88% Li2O over 26.9 m and 1.54% Li2O over 16 m, respectively (Frontier Lithium Jan 17, 2019 press release). 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. DDH PL-067-22 intersected 326.6.m of pegmatite averaging 1.92% Li2O. DDH PL-069-22 intersected 275.3m of pegmatite averaging 1.74% Li2O. DDH PL-072-22 intersected 124.1m of pegmatite averaging 1.55% Li2O (Frontier Lithium Oct 11, 2022 news release).



Mineral Record Details

Classification
RankClassification            
1 Pegmatite
Reserves or Resources Data
Zone Year Category Tonnes Reference Comments Commodities
Spark Pegmatite 2023 Inferred Mineral Resource 29746000 Frontier Lithium Inc. February 28, 2023 news release (https://mailchi.mp/frontierlithium/sprkmre23) 0.65% Li2O cutoff Cesium 0.03 %, Lithium 1.34 %, Niobium 77 ppm, Rubidium 0.26 %, Tantalum 116 ppm, Tin 74 ppm
Spark Pegmatite 2023 Indicated Mineral Resource 18828000 Frontier Lithium Inc. February 28, 2023 news release (https://mailchi.mp/frontierlithium/sprkmre23) 0.65% Li2O cutoff Cesium 0.02 %, Lithium 1.52 %, Niobium 84 ppm, Rubidium 0.26 %, Tantalum 112 ppm, Tin 61 ppm
Spark Pegmatite 2022 Inferred Mineral Resource 18118000 Frontier Lithium press release March 1, 2022 0.70% Li2O cutoff Cesium 0.02 %, Lithium 1.37 %, Niobium 80 ppm, Rubidium 0.23 %, Tantalum 105 ppm, Tin 61 ppm
Spark Pegmatite 2022 Indicated Mineral Resource 14414000 Frontier Lithium press release March 1, 2022 0.70% Li2O cutoff Cesium 0.02 %, Lithium 1.4 %, Niobium 82 ppm, Rubidium 0.25 %, Tantalum 114 ppm, Tin 56 ppm
Spark Open Pit 2021 Indicated Mineral Resource 3261000 2021 NI 43-101 0.6% Li2O cutoff, 51,850 t contained Li2O Cesium 0.02 %, Lithium 1.59 %, Rubidium 0.26 %, Tantalum 123.17 ppm
Spark Open Pit 2021 Inferred Mineral Resource 15718000 2021 NI 43-101 0.6% Li2O cutoff, 205,905 t contained Li2O Cesium 0.02 %, Lithium 1.31 %, Rubidium 0.23 ppm, Tantalum 108.46 ppm
Spark Pegmatite 2020 Inferred Mineral Resource 12228000 February 4, 2020 press release (https://frontierlithium.com/articles/2020/february-4-2020.php) Cesium 0.020 %, Lithium 1.36 %, Niobium 45 ppm, Rubidium 0.23 %, Tantalum 107 ppm, Tin 53 ppm
Spark Pegmatite 2020 Indicated Mineral Resource 3248000 February 4, 2020 press release (https://frontierlithium.com/articles/2020/february-4-2020.php) Cesium 0.015 %, Lithium 1.59 %, Niobium 56 ppm, Rubidium 0.26 %, Tantalum 123 ppm, Tin 68 ppm

References

Publication - NI 43-101 Technical Report, PAK Property

Publication Number: 2021 NI 43-101 Date: 2021

Author: McCracken, T., Canosa, J., Boyko, K., Wilson, S., deGagne, R.

Publisher Name: BBA for Frontier Lithium

Location: SEDAR


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For detailed information regarding this mineral record please contact the Red Lake Resident Geologist District Office