Ivernia West and Minorco Lisheen have announced that their drilling programme at the lead/zinc deposit in Co Tipperary has increased to 18.94 million tonnes of "mineable reserve", made up of 12.75 per cent zinc and 2.2 per cent lead.

A total of 73 holes were drilled within the existing boundaries of the deposit in this programme and deposit is still open in a number of directions.