Zeotech (ASX:ZEO) started a new air-core drilling program at the Toondoon project in Queensland, with 119 holes covering 3,500 meters, according to a Thursday filing with the Australian bourse.

The program, designed to increase confidence in the project's mineral resource, will focus on infill grade control drilling on mining lease 80126 and step-out exploration targeting high-prospect areas across exploration permits 27395 and 27866, the filing said.