Greatland Resources (ASX:GGP) confirmed the extension of geological structures and layers at the Pinnacles prospect during step-out drilling at the West Dome Underground deposit Telfer operation in Western Australia, according to a Monday filing with the Australian bourse.

Results include nearly 59 meters at 6.5 grams per tonne grade of gold and 0.1% copper, including 37 meters at 9.98 g/t grade of gold and 0.14% copper, and 34 meters at 1.1 g/t grade of gold, the filing said.

Follow-up work includes wedge drilling to test mineralization along strike and down dip and planning for drilling between Pinnacles and the deposit, and extension drilling further south of Pinnacles, per the filing.