Lycaon Resources Ltd (ASX: LYN) has commenced diamond drilling at its Bow River project in the East Kimberley region of Western. Diamond drilling is scheduled to take approximately four weeks consisting of two diamond drillholes to a depth of 800m each. The prospective target zone that corresponds to the gravity anomaly is anticipated to be intersected between 350m to 750m depth.
Mr Thomas Langley, technical director commented, “We have now begun a high impact diamond drill programme which will be critically important to understanding if a large-scale nickel copper sulphide deposit exists at Bow River. The drilling is targeting another Savannah North type discovery which opened up the prospectivity of the Kimberley after its recent discovery in 2014. No drilling at Bow River has occurred since this time and given the high-grade nickel and copper intersected in historical drilling in the past, we are of the view that Bow River presents as one of the best magmatic nickel-copper targets in Western Australia currently.” “The Marlarngowem traditional owners of Bow River were instrumental in completing the heritage surveys and I thank them for their help and cooperation.”
The Bow River Project is located within the Halls Creek Orogen in the East Kimberley region of Western Australia. The Project area covers two known nickel-copper-cobalt sulphide prospects mapped as the Salt Lick Creek intrusion and the Bow River intrusion. Both intrusives are sulphide-bearing and similar in style and setting to Panoramic Resources’ Savannah mine, located approximately 60km further south.
The relatively recent discovery of the Savannah North resource at depth adjoining the existing mine effectively quadrupled the Ni-Cu-Co resource, highlighting the prospectivity of E80/4955 given its analogous geological setting. Previous drilling is limited to a very small area of the Bow River mafic intrusive. Outcropping gossans and anomalous soil geochemistry has been mapped at surface over an area of 900m x 300m.
The surface expression of the intrusion has received most of the focus of historical exploration however, the broader intrusive undercover and at depth has received little attention. In addition, exploration using more powerful modern day geophysical techniques such as ground gravity surveys to detect density anomalies deeper below surface has only been completed for the first time by Lycaon. The proposed drill programme at Bow River will be critical in demonstrating the potential for a major NiCu-Co resource in the Kimberley analogous to Panoramic’s Savannah nickel mine 60km south.
Drilling is planned to target beneath the current extent of historical drilling, targeting the deeper four more primitive part of the intrusion. The historical gravity Falcon data and recent ground gravity data has now been modelled by Southern Geoscience Consultants as a 3D inversion to better quantify the magnitude of the gravity anomaly, location at depth and size. This work has allowed for a higher geological confidence in assisting drill planning ahead of drilling in Q3, 2023.
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