WA Project - Yalgoo

Yalgoo E59/1302 is adjacent to the Golden Grove zinc-copper-gold-silver-lead mine which is located in the Yalgoo-Singleton greenstone belt in the Murchison Province of WA. The exploration targets in the Yalgoo project are discrete aeromagnetic anomalies that have similar scale and tenor to the magnetic anomaly at Gossan Hill, one of the deposits at Golden Grove.

Despite the magnetic anomalies being located in granite-gneiss terrain, well outside of the prospective Golden Grove stratigraphy, they remain unexplained. If the granite-gneiss is sheet like, the magnetic anomalies could represent a Gossan Hill-style target beneath the granite-gneiss sheet. Alternatively, the magnetic anomalies could be due to Proterozoic dolerite.

A ground magnetic survey was completed over two discrete aeromagnetic anomalies for a total of 69.6 line km of ground magnetic data. Magnetic inversion models for the ground magnetic data suggest that the anomalies represent sub-vertical magnetic sources that are within 50m of surface and extend to depth. The geometry of the inversion models is consistent with a plug-like source, however this can only be tested with drilling due to the lack of outcrop. A drilling proposal to follow up the ground magnetic anomalies is in progress.