Cornish Metals Expands Exploration at the South Crofty Tin Project

Cornish Metals reports progress in its surface diamond drilling program at the South Crofty tin project in Cornwall, UK.

Exploration in the Roskear area is focused on extending known mineralisation and evaluating priority targets using both historic and recent geological interpretations.

The approximately 2,400‑meter drilling program achieved a key milestone with the completion of drill‑hole SDD26_001A, which reached a depth of over 1,199 m and intersected multiple mineralised structures—including quartz‑tourmaline veins bearing visible cassiterite and sulphide mineralisation—suggesting possible extensions beyond current resource estimates.

Cornish Metals intends to commence a second drill‑hole, SDD26_002, targeting the same structures about 100 m west of the initial hole.

Samples from SDD26_001A are being prepared for shipment to ALS Laboratories in Loughrea, Ireland, with assay results expected in June 2026.

The completion of drill‑hole SDD26_001A marks an important milestone in this targeted exploration program at South Crofty. The hole successfully intersected several projected mineralised structures, including extensions beyond the current resource estimate envelopes.

While assay results are pending, the visual signs of mineralisation encountered are encouraging and support our geological interpretation of continued mineralisation west of the existing resource areas.

The program’s main objectives are to test extensions of the Roskear B and Roskear South structures beyond current resource limits and to sterilize areas slated for infrastructure development.

Drilling has intersected several structures, including projections in Roskear 1 South, Roskear South, Roskear 6 North, Roskear 7 North, and target structures linked to Roskear B.

Roskear South and Roskear B contain resources as outlined in the company’s 2023 mineral resource estimate.

Meanwhile, the Roskear 1 South, Roskear 6 North, and Roskear 7 North structures—part of the Roskear Numbered Zone—are not yet fully incorporated into the current resource estimate owing to limited historic data.

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