Zinc of Ireland NL estimated a maiden JORC 2012-compliant mineral resource of about 5.2 million tonnes at 8.6% combined zinc and lead for 374,400 tonnes of contained zinc and 72,800 tonnes of contained lead at its flagship Kildare MVT zinc project in Central Ireland.

The estimate is based on a cutoff grade of 5% combined zinc and lead for fresh and 6% combined zinc and lead for weathered mineralization, according to a June 1 release.

The resources at McGregor stand at 4.1 million tonnes at 8.9% combined zinc and lead, and the Shamrock estimate totals 1.1 million tonnes at 7.4% combined zinc and lead.