Helicopter natural field electromagnetic and magnetic results over the rogue reduced intrusion related gold system (RIRGS), Tintina gold province, Yukon

ZTEM helicopter electromagnetic and aeromagnetic surveys were flown for reduced intrusion related gold system (RIRGS) targets on the Rogue Project, located in the Tintina Gold Province, near Mayo, in east central Yukon. Survey results added to a regional ZTEM survey flown in 2008. Supported by 2D-3D EM and magnetic inversions, the results indicate that the Valley intrusive stock that hosts a known RIRGS intrusive hosted gold deposit features high magnetic and high resistivity signatures, with surrounding annular resistivity lows, due to more magnetic and conductive hornfelsed rocks, making it easily identifiable with the combination of ZTEM and magnetics. Similar signatures over other RIRGS prospects have assisted targeting other intrusion related mineralization nearby and regionally.