Quebec Lithium Projects
The Quebec Lithium Projects comprise three projects located close to the historic mining town of Val-d’Or.
Figure 1: Key infrastructure and lithium occurrences
LAC LA MOTTE LITHIUM PROJECT
The Lac La Motte lithium project is located in the Abitibi Greenstone Belt of Quebec approximately 25 kilometres northwest of the historic mining town of Val d'Or and 400 km northwest of Montreal.
The Lac La Motte project consists of 64 mineral claims and 25 mineral claim applications covering an area of approximately 49.4 km2.
Access to the Lac La Motte project from Val d'Or is via Highway 111 and a number of all-weather gravel roads.
Figure 2 shows the location of the Lac La Motte project, the key infrastructure, and the known lithium occurrences surrounding the project.
Figure 2. Lac La Motte Project Location. Green squares represent lithium deposits.
The Lac La Motte lithium project is surrounded by known lithium deposits and occurrences, as well as known beryl occurrences. The lithium mineralisation at the Lac La Motte project is contained in north-east and east-west trends. The Lac La Motte project is targeting spodumene-bearing rare metal LCT pegmatite dyke complexes.
Previous exploration in the region has concentrated on the gold and base metal potential of the area, with little focus on lithium until recently, despite the prevalence of lithium deposits and occurrences recorded in the vicinity of the project.
This provides an opportunity for MLS to commence an immediate exploration program focusing on the detailed structural geological features. A comprehensive mapping and sampling program has already been designed, with a maiden drill campaign to commence as soon as the results from the phase 1 program are known.
Numerous LCT pegmatites hosting spodumene varying from 1.6m to 6m in width intrude diorites, monzonites and metasediments of the Caste Group that are in contact with the basalts of the Lower Malartic Group. The lithium mineralisation occurs mainly in medium to large spodumene crystals.
The La Motte lithium occurrence, which is located within metres of the Lac La Motte project licence boundaries, has exhibited strong lithium mineralisation where previous drill hole intercepts highlighted high grade lithium mineralisation of 1.65% Li2O over 1.0 m (drill hole No. 16, Quebec Government file report GM 03089), 1.34% Li2O over 0.9 m (drill hole No. 15) and 1.12% Li2O over 1.32 m (drill hole No. 14).
Existing Lithium Deposits in Close Proximity
The Jilin Jien owned Quebec Lithium Mine which is located in the northeast part of the region less than 7 km northeast of the Lac La Motte project, contains a measured and indicated mineral resource of 33.24 Mt at 1.19% Li2O and an inferred mineral resource of 13.76 Mt at 1.21% Li2O (NI 43-101 compliant), according to a technical report filed by Canada Lithium Corp. on 12 October 2012.
The Lac La Motte project is located less than 1 km east of the Authier lithium deposit which has a reported JORC Measured, Indicated and Inferred resource of 13.74Mt @ 1.07% Li2O.
The Duval Lithium deposit is located less than 1.5km north-northwest of the Lac La Motte licence boundaries. Trenching and bulk sampling at the Duval lithium deposit resulted in high grade lithium being exhibited:
The Baillarge-Ouest lithium-tantalum deposit is located less than 500 metres east of the Lac La Motte licence boundaries and contains spodumene-hosted lithium in pegmatite outcrop grading 1.94% Li2O.
Lithium Occurrences at Lac La Motte
The Lac La Motte VII-47 lithium occurrence is located within metres of the project. This LCT pegmatite dyke contains spodumene and beryl in fracture fillings.
This prospect has been identified as a potentially significant lithium lode, which is oriented in an east-west direction. It has been interpreted that this lithium bearing mineralized zone continues into the Lac La Motte licence boundaries and could represent an important source for mineralisation at the project.
The nearby Lac La Motte lithium occurrence is located close to licence boundaries of the project. The host LCT pegmatite dykes contain spodumene in high concentrations with associated beryl and occur in multiple locations across the Lac La Motte project.
There are at least 6 known parallel LCT pegmatite dykes containing spodumene. The irregular distribution of the lithium-bearing pegmatite dykes in fractures in the granites suggests that this system of dykes could also be present on the Lac La Motte project.
Historical Exploration at Lac La Motte Project
Exploration and historical drilling on the Lac La Motte project took place on the edges of the volcanics and ultramafics and focussed on the gold, zinc, nickel and copper potential, with little exploration directed at lithium. Extensive mapped outcrops of LCT pegmatite hosting beryl exist on the Lac La Motte project.
The project contains numerous Li (spodumene) ±Ta (tantalite) ±Be (beryllium) mineralised occurrences which have been investigated only sporadically by junior mining companies with various geophysical, geochemical and geological tools from the early 1950s until the present day.
- MLS has identified three historic (circa 1954) widely spaced shallow exploration drill holes with two drill holes showing the following results for lithium:
- Hole 11 which was drilled to a total depth of 58m intersected 0.64m @ 0.67% Li2O (from 17.98m to 18.62m)
- Hole 13 which was drilled to a total depth of 45m intersected 0.49m @ 1.05% Li2O
- The third drill hole (Hole 12) also, logged pegmatite in two intervals however, the samples were not assayed
- These shallow drill holes confirm the continuity of the surrounding lithium mineralisation onto the Lac La Motte lithium project and provides clear guidance for a follow-up exploration program
- The drill holes mentioned above were drilled into spodumene bearing dykes along strike of the Lac La Motte, Duval and Lacorne lithium deposits
- The technical review of historic exploration data has uncovered a stream sediment sampling survey carried out by the Quebec Government in 1980. The survey highlighted three major zones of lithium mineralisation in three separate locations
- The stream sediment highs are associated with areas of low cover and coincide with pegmatite surface exposures which are indicative of LCT pegmatite mineralisation
- Mineralised pegmatites at the Lac La Motte Lithium Project are oriented in a NW-SE direction
Figure 3. Lac La Motte lithium targets derived from 1980 Government stream sediment sampling
The Company plans on completing an airborne Electromagnetic Survey over the high priority zones identified at the Lac La Motte lithium project. The aim of the survey will be to better define the geological structures present prior to undertaking a field mapping program and drilling programs.
LAC LA CORNE LITHIUM PROJECT
The Lac La Corne lithium project is located in approximately 20 kilometres north of the historic mining town of Val d'Or and 400 km northwest of Montreal and has an area of approximately 49.8 km2. Access from Val d'Or is gained via paved Highway 111 and a number of all-weather gravel roads.
Figure 4. Lac La Corne Project. Green squares represent lithium deposits
Figure 4 above shows the location of the Lac La Corne project and associated key infrastructure. It also shows the pegmatite trends though the project interpreted from the regional magnetic imagery and which correspond to the location of Outcrop 1548 and known lithium deposits to the west, south west and north east.
The Lac La Corne lithium project is surrounded by known lithium and beryl deposits and occurrences the lithium mineralisation is contained in tight north-north-east trending zones.
MLS will be targeting spodumene and rare metal-bearing LCT pegmatite dyke complexes at the Lac La Corne project.
The region is dominated by quartz monzodiorite and metasomatized quartz diorite (tonalite) of the La Corne plutonic complex. A swarm of spodumene-rich granitic pegmatite dykes intrude fractures and small faults within the plutonic rocks.
The LCT pegmatite dykes are as much as 6m thick and are generally crudely zoned, some having quartz cores and border zones of aplite. The granitic LCT pegmatites are composed of quartz, albite and/or cleavelandite, K-feldspar, muscovite, with spodumene in high concentration.
Existing Lithium Deposits in Close Proximity
Chubb Lithium Deposit is located less than 1km west of Lac La Corne. Drilling intersections obtained in 1994, produced intervals of 3.72 m @ 1.78 wt. % Li2O, 2.75 m @ 1.00 wt. % Li2O and 2.38 m @ 1.25 wt. % Li2O.
Lithium Deposits / Occurrences on the Lac La Corne Project
In 2014 the Quebec Geological Survey Department recorded outcrop 1584 as having high spodumene and molybdenum potential. This outcrop is located in the south-west portion of the Lac La Corne project.
To date no drilling or follow up exploration has been undertaken, despite strong recommendations from the Geological Survey Department geologist at the time. Outcrop 1584 is contained in a NNE-trending structure that continues along strike into the Lac La Corne project.
Figure 5. Primary exploration target with regional geophysics, magnetic trends & location of historic drillholes
Figure 5 shows the location of the Lac La Motte and Lac La Corne lithium projects over regional magnetic imagery which highlights the interpreted LCT pegmatite trends though the projects and which correspond to the location of Outcrop 1548 and other known lithium deposits in the area.
The strong magnetic trends identified in figure 5 follow a NE and NNE direction along strike of the known lithium mineralisation and lithium deposits / occurrences, striking through the Lac La Motte and Lac La Corne lithium projects.
These magnetic trends highlight the anticipated mineralised zones across the two projects and provide the Company with a focus for future exploration programs.
LACOURCIERE-DARVEAU LITHIUM PROJECT
The Lacourciere-Darveau lithium project is located approximately 15 kilometres west of the community of Malarctic. And consists of 153 mineral claims and 28 mineral claim applications totalling approximately 104.25 km2
Figure 6. Lacourciere-Darveau Project Location.
Regional Mineralisation and Existing Lithium Deposits in Close Proximity
The Lacourciere-Darveau project is located approximately 8 km east of a 200m2 excavation where a sample taken from the enrichment zone between trench 2 and trench 3 yielded 2.87% Li2O. The 5 veins sampled contained between 3.0% Li2O and 4.0% Li2O.
Other lithium occurrences in the vicinity of the project include Ile du Refuge and Lac Simard which are located along trend about 50km to the SSW and host known lithium deposits with average grades of 2.1% Li2O and 1% Li2O respectively.
Though there are several lithium occurrences in the vicinity, the property itself has seen limited exploration. Geological mapping and outcrop mapping were conducted in 1956 and 1957, with the geological mapping being reinterpreted in 2009.
This geology map revealed the presence of multiple zones of LCT pegmatites and granites. The work on the property in the 1950s identified three beryl occurrences in LCT pegmatite veins, which is considered to be significant as these LCT pegmatites may also host lithium mineralisation. No drill testing has been recorded on the Lacourciere-Darveau project.
Lithium Deposits/Occurrences on the Lacourciere-Darveau Project
Strong NNE-trending structures control the distribution of the beryl and lithium deposits in the project region. Beryl and lithium occur on the edges of the pegmatitic pluton.
Figure 7. Lacourciere-Darveau Project Geology
The distribution of the beryl and lithium deposits indicates mineralisation is the result of intrusive LCT pegmatite dykes, where spodumene crystals can reach up to 30cm in length and up to 15cm in diameter.
Economic analysis of the lithium and beryllium potential has not yet been undertaken, despite the fact that the Ile du Refuge, Lac Simard and Wells-Lacourciere high-grade lithium deposits are located nearby.
The lithium potential of this beryl occurrence and the associated LCT pegmatite outcrop is yet to be determined. The pegmatite has been mapped in a NNE trend and remains open along strike. Tantalum and niobium have been identified in the LCT pegmatite outcrop.