Cornish Metals Inc said it had started a diamond drilling programme at its United Downs copper-tin project in Cornwall.
The Canadian miner aims to target the high grade copper-tin mineralisation encountered during April 2020 in drill hole GWDD-002 that intersected 14.69 metres at 8.45% copper and 1.19% tin.
Diamond drill hole GWDD-002 was drilled by Cornish Lithium to test the potential for lithium in brine at United Downs, within the historic Gwennap copper and tin mining district.
GWDD-002 intersected semi-massive sulphide mineralisation between 90.60m and 105.29m downhole depth.
Assays returned 14.69m grading 7.46% Cu, 1.19% Sn, and 0.15% Zn from 90.60m to 105.29m downhole length.
Three individual sample intervals returned assays greater than 20% Cu.
The diamond drilling contract has been awarded to Priority Drilling Ltd under the supervision of Cornish Metals’ geological team and began operations began yesterday (7 April).
Gwennap was the richest copper producing region in Cornwall during the 18th and early 19th centuries and referred to as “the richest square mile on earth”.
Cornish Metals chief executive Richard Williams said the company was very excited to start the drill programme.
“The first phase of the programme will focus on tracing the high-grade copper-tin structure along strike to determine its full extent.”
CORNISH METALS
Cornish Metals, previously known as Strongbow Exploration, completed the acquisition of the South Crofty tin and United Downs copper / tin projects, plus additional mineral rights located in Cornwall in July 2016.
The additional mineral rights cover some 15,000 hectares throughout Cornwall.
Some of the mineral rights cover old mines that were historically worked for copper, tin, zinc, and tungsten.
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