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Widespread uranium mineralization has been discovered on the Horned Lake and Split Lake prospects. The prospects are defined by frost-heaved uraniferous boulders which are coincident with airborne geophysical uranium and magnetic anomalies. This data has identified approximately 30 kilometres of uranium prospective stratigraphy.
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Horned Lake
The Horned lake prospect was defined by approximately 500 uranium bearing boulders mapped over a distance of 3 kilometres in a NW-SE direction by Uranerz in the late 1970's. Fifty-two boulder samples from the area yielded assays ranging from <0.1% to 5.1% U3O8. Thirty-one grab samples collected from the area by Uranium North in 2007 confirm this uranium mineralization. The uranium values from 30 samples range from 0.03% to 1.1%.
Radiometric and magnetic data at Horned Lake identify a 300 metre wide linear target zone that extends for approximately 4 kilometres.
Split Lake
A separate and parallel boulder field associated with uranium showings was identified one kilometre north of the Horned Lake boulder field. Historical U3O8 values from the Split Lake area range 0.1% to 1.5% and include 0.17, 0.25, 0.49 and 0.59% U3O8. Seventeen grab samples collected from the area by Uranium North in 2007 also confirm this uranium mineralization. The 12 highest grade samples yielded U3O8 values ranging from 0.04% to 0.65%.
The 2007 geophysical survey data identifies a prominent NW-SE trending six-kilometre-long uranium and uranium/thorium ratio geophysical anomaly. The uranium bearing frost heave boulders at Split Lake are exposed along a linear trend extending for about one kilometre coincident with the radiometric anomaly. Further, a coincident magnetic anomaly suggests a possible bedrock uranium target that extends for approximately 10 kilometres. In addition, the airborne geophysics identifies similar signatures that may represent another 20 kilometres of the same prospective stratigraphic unit.
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