Atac Resources Ltd. May 31 provided results of an updated preliminary economic assessment for the Tiger deposit at the western end of its Rackla Gold project, Yukon.

The 2016 PEA has incorporated results of geotechnical and infill drilling conducted in 2015 and metallurgical studies completed in early 2016.

Key changes to the 2014 PEA include both oxide and sulfide resources and the adoption...