The Project is in the north-eastern part of the Superior Province. It lies within the Lower Eastmain Group of the Eastmain greenstone belt, which consists predominantly of amphibolite grade mafic to felsic metavolcanic rocks, metasedimentary rocks and minor gabbroic intrusions.

The property is underlain by the Auclair Formation, consisting mainly of paragneisses of probable sedimentary origin which surround the pegmatite dykes to the northwest and southeast. Volcanic rocks of the Komo Formation occur to the north of the pegmatite dykes. The greenstone rocks are surrounded by Mesozonal to catazonal migmatite and gneiss. All rock units are Archean in age.

The pegmatites delineated on the property to date are oriented in a generally parallel direction to each other and are separated by barren host rock of sedimentary origin (metamorphosed to amphibolite facies). They form irregular dykes attaining up to 60?m in width and over 200?m in length. The pegmatites crosscut the regional foliation at a high angle, striking to the south-southwest and dipping moderately to the west-northwest.

Spodumene is the principal source of lithium found at the Project. Spodumene is a relatively rare pyroxene that is composed of lithium (8.03%Li2O), aluminium (27.40%Al2O3), and silica (64.57%SiO2). It is found in lithium rich granitic pegmatites, with its occurrence associated with quartz, microcline, albite, muscovite, lepidolite, tourmaline and beryl.

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The pegmatite deposit will be mined by conventional open pit methods. All material will require drilling and blasting and will be removed using mining excavators and haul trucks.

The slope angles used in the pit design were based on results of geotechnical investigation and lab results that were analysed as listed below:
• Nominal face height of 20 m (double benched 10 m-high benches);
• Bench face angle of 75° for in-situ rock material;
• Berm widths of 9 m;
• Additional geotechnical berms of 20 m were included in the central portions of JB2 of the design in sections of the pit walls with elevation differences greater than 120 m between ramps.

The preliminary pit design extends approximately 2 km NW/SE along strike of the pegmatite mineralization and has an average width of 500 m. The design is divided into three areas, labelled JB1, JB2 and JB3. JB2 is the deepest portion of the pit at 260 m. Depth for JB1 is at 175 m and for JB3 at approximately 170 m.

The open pit is planned to be sequenced and scheduled utilizing phased pits to enable a smooth transition of lower waste stripping during the initial years of production with a gradual increase later in the mine life. Overburden and topsoil material will be trucked to an overburden stockpile. Waste rock will be hauled to the multiple Waste Rock Tailings Storage Facilities (“WRTSF”) and ROM Feed ore will be hauled to the ROM pad, located to the northeast of the pit.