en.Wedoany.com Reported - Recently, Cornish Tin & Lithium Limited (CTL), formerly known as Cornish Tin Limited, announced significant results from the third phase of exploration drilling at its Tregonning project in Cornwall, UK. Conducted between September 2025 and January 2026, this phase revealed that the lithium ore body extends approximately 3.27 kilometers from north to south, from Tregonning northward to Tregonning south, and also uncovered a substantial new tin mineralization system.
Founded in 2017 and previously named Cornish Tin Limited, Cornish Tin & Lithium Limited is an exploration company focused on discovering and developing high-grade tin and hard-rock lithium resources in Cornwall. The exploration project is led by founder and CEO Sally Norcross-Webb. The third-phase drilling program primarily targeted lithium-rich trondhjemite-pegmatite veins within the newly discovered "Tregonning South Extension." Drilling results confirmed that a lithium-bearing rock formation previously identified in Tregonning North continues southward, extending well beyond the initial discovery area. Phase three results indicate that the total strike length of this lithium-bearing system has been extended by approximately 3.27 kilometers. Earlier drilling in Tregonning North had already identified high-grade lithium mineralization, including a 0.3-meter section with 1.33% lithium oxide and a peak grade of 1.42%.
In Tregonning South, phase three drilling also identified a new tin mineralization system, with 10 tin veins and associated stockwork vein systems now recognized. High-grade tin mineralization spans multiple veins, including a 2.69% tin grade in the Norcross No. 1 vein, 1.26% in the North Rib vein, and 1.68% in the South Rib vein. These new discoveries collectively reinforce Cornwall's strategic position as a supplier of critical minerals such as lithium and tin.
To align with the exploration results, the company has been renamed Cornish Tin & Lithium Limited to reflect its strategic evolution. CEO Webb stated that with the success of successive drilling programs, the company believes the entire West Cornwall mineral rights area, as a unified mining operation, will make a significant contribution to Cornwall's economy and the resilience of the supply chain for critical minerals in the UK and Europe. As global demand for critical minerals like lithium and tin continues to rise, this discovery provides new potential support for the UK's domestic critical mineral supply chain.
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