Western Star Resources Inc. (CSE: WSR) (OTC: WSRIF) (FRA: 4K2) has released results from a district-scale three-dimensional geophysical inversion across its Rowland and White Star tungsten properties in Elko County, Nevada. The modelling has defined buried and partially exposed intrusive bodies and refined the fault network interpreted to channel mineralising fluid into the tungsten skarn system. Importantly, the Company’s highest-grade rock chips—4.02% WO3 at Rowland and 3.00% WO3 at White Star—both correspond spatially with the contact between modelled intrusive rocks and the carbonate host. The modelled intrusive framework extends well beyond mapped outcrop, opening substantial new search space.
Blake Morgan, CEO and President, commented: “This is the result we were hoping for. The inversion has modelled intrusive bodies spatially associated with areas where we sampled high grade tungsten values, and it has mapped the faults that we believe carried the fluid there. That is the tungsten skarn recipe, and we can now see it in three dimensions across the whole district. Better still, the modelled intrusives are more extensive than previously mapped, which means the ground that produced our best rock chips continues into untested areas.”
The inversion was completed by Warren Hughes, P.Geo., of East Coast Consulting, using MAG3D algorithm on 25-meter cells. It reveals approximately 25 kilometres of structure in two dominant orientations—north-east–south-west and north-west–south-east—interpreted as fluid conduits. The modelled magnetic domains correspond closely with units mapped by Coats (1964), adding depth and continuity beneath Quaternary cover on the eastern flank.
Tungsten skarns form where a granitic intrusion is emplaced into carbonate rocks. The intrusion expels metal-bearing hydrothermal fluid that reacts with limestone to produce garnet-rich skarn, where scheelite is deposited. Three elements must be present: an intrusion, reactive carbonate, and structures to focus fluid. The U.S. Geological Survey assessment (Lederer and others, 2021) highlights fault-channelled fluid as central to high-grade skarn development.
At Rowland, the sample returning 4.02% WO3 sits directly on mapped tactite at the modelled intrusive contact. At White Star, the 3.00% WO3 sample occupies the same position on a separate intrusive body. Both are within or adjacent to interpreted structural corridors. The modelled intrusive extends considerably beyond mapped outcrop, enlarging search space.
Soil geochemistry from Phase 2 is expected shortly and will be integrated with the inversion model, structural framework, and geological mapping to define and rank drill targets. The Company also announced satisfaction of the first performance milestone under the Rowland option agreement, having increased claim area by approximately 165% and identified four rock-chip samples above 2.0% WO3, exceeding thresholds. Consequently, 500,000 common shares will be issued to vendors, subject to CSE policies.
The scientific and technical information has been reviewed by Jasper Mowatt, MIMMM, MAusIMM, a Qualified Person under NI 43-101. The UAV magnetic survey was conducted by AJ Mining LLC using a DJI Matrice M300 with a GSMP-35U magnetometer; data were processed by East Coast Consulting. References include Coats (1964) and Lederer et al. (2021).
