Trek Metals (ASX:TKM) started geophysical surveying and pre-drilling earthworks at the Kuro manganese discovery, within its Christmas Creek project in Western Australia, according to a Tuesday filing with the Australian bourse.

Moombarriga Geoscience is conducting induced polarization surveying while Atlas Geophysics is undertaking extensional ground gravity surveying, with co-funding from the Western Australian Government's Exploration Incentive Scheme, the filing said.

Drilling will start within the month, with construction of access tracks and drill pads in progress, per the filing.

Shares rose 1% in morning trade on Tuesday.