Ontario Geological Survey
Permanent Link to this Record:
MDI000000002277
Record Name(s) | Spark Pegmatite - 2018 |
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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 |
Primary Commodities: Lithium, Tantalum, Rubidium
Secondary Commodities: Niobium, Cesium, Tin
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.
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.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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2.20904 | 53C11SW2003 | 53C11SW2003 |
1814 | 20000017034 | 20000017034 |
3447 | 20000018600 | 20000018600 |
Province: Superior
Subprovince: Sachigo
Terrane: North Caribou
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | Is |
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Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Spodumene | Economic | Ore |
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).
Rank | Classification |
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1 | Pegmatite |
Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
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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 |
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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