Lithium exploration and development company Winsome Resources (ASX:WR1; “Winsome” or “the Company”) is pleased to provide an update on exploration at its 100% owned projects in the James Bay region of Quebec, Canada. Intersections have confirmed the discovery of a new lithium-bearing pegmatite dyke swarm at Adina as summarised in Table 1. In addition, further results have been received from recent drilling at the Adina Main Zone, as summarised in Table 2, as well as from drilling at the Cancet Project.

HIGHLIGHTS

• Drilling has identified a new lithium-bearing pegmatite dyke swarm at Adina, located in the footwall of the deposit below previous drilling.
• First results have been received as detailed in Table 1:
  • 2.44% Li2O over 10.1m from 219.9m and
    1.10% Li2O over 21.0m from 260.6m (AD-23-051),
  • 1.57% Li2O over 15.4m from 221.5m (AD-23-073),
  • 1.29% Li2O over 14.0m from 200.8m (AD-23-054), and
  • 1.02% Li2O over 23.2m from 253.0m (AD-23-028).
• The discovery of a new zone of lithium mineralisation significantly changes the potential endowment at Adina and is anticipated to enhance the potential to develop a viable lithium operation.
• Strong high-grade lithium intersections continue from the Main Zone of lithium mineralisation at Adina, with new results presented in this release including:
  • 2.25% Li2O over 18.7m from 43.3m (AD-23-072),
  • 2.09% Li2O over 10.0m from 35.2m (AD-23-028),
  • 1.71% Li2O over 42.8m from 49.9m (AD-23-040),
  • 1.68% Li2O over 34.0m from 126.0m (AD-23-060),
  • 1.38% Li2O over 44.1m from 49.9m (AD-23-073); and
  • 1.34% Li2O over 32.6m from 65.5m (AD-23-057).
• A fourth drill rig is being mobilised to Adina for resource definition drilling.
• Continued flow of results ensures Winsome on track for maiden Adina Mineral Resource Estimate later in 2023.

“The discovery of a new zone of mineralisation at Adina adds further evidence to our belief that this is a globally significant lithium project. This new zone is anticipated to contribute to our main resource estimate, due later in 2023, as well as enhancing the viability of the project, and further drilling is now underway to define its up-dip extent, closer to surface. Once again this is due to the good work of our dedicated team on the ground, and I am pleased to be in Canada again being part of the intensive drilling campaign that continues at Adina.”

Figure 1: Drill Results from Adina Footwall Zone Drilling. Oblique view looking to north-east along conceptual model of Adina Main pegmatite

Commentary on Adina Footwall Zone

The Adina Footwall Zone was first detected in AD-23-054 when multiple spodumene-bearing pegmatite zones were logged¹. Drilling on adjacent sections was then deepened to investigate whether the intersections in AD-23-054 were from a new pegmatite body or from a repetition of the main body by folding (or other localised event).

As shown on Figures 1 and 2 and detailed in Tables 1 and 3 there are now sufficient intersections of spodumene-bearing pegmatites and supporting assays results to confirm that the Footwall Zone as a discrete zone of pegmatite mineralisation. Assays have been received from 6 intersections to date with assays from another 11 drillholes awaited. Full details of the drillholes can be found in the Appendices.

The Footwall Zone is generally thinner than the Main Zone however frequently more than one pegmatite dyke is intersected within the zone, with these noted to coalesce in certain locations leading to a thicker intersection. In addition the distance between the Main Zone and Footwall Zone is also observed to vary, likely relating to the structures along which the pegmatites were emplaced. Delineation and modelling of these zones will be important for project development as it will be advantageous in future mining to target locations where the two zones are in close proximity.

The Footwall Zone has now been intersected in drilling over a strike length of 760 metres (east-west). The lithium mineralisation in the Footwall Zone occurs as spodumene crystals hosted in pegmatite with no obvious visual differences to the Main Zone mineralisation observed during logging.

Outcrop of the Footwall Zone has not been identified at this time however with the advent of spring and improved access ground checking will be undertaken to confirm if the Footwall Zone does come to surface.

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