Silver One Resources Inc. (OTCQX: SLVRF) is deploying advanced geophysical techniques, including drone-borne magnetometry and ground-penetrating radar (GPR), at its wholly-owned Phoenix Silver Project in Arizona. This strategic initiative aims to refine exploration targets in the 417 area and the historically significant Mexican Mine, situated approximately 600 meters to the west.
The decision to implement these sophisticated surveys stems from promising, albeit complex, results from the 2024 drilling campaign. Intersections within targeted vein structures at the 417 area yielded exceptional grades, including up to 3,800 grams per tonne of silver and 0.97% copper over a 0.35-meter interval. However, the drilling did not encounter the massive native silver mineralization that the high-grade silver fragments found near the surface suggested. This discrepancy points to the likelihood that extremely high-grade silver deposits exist as discrete lenses or shoots within the broader mineralized structures. The current geophysical program is specifically designed to better delineate these potential high-grade zones, thereby optimizing the placement of future drill or trenching targets.
The drone-borne magnetometry survey is engineered to precisely map linear geological features such as structures, veins, and dikes. These features are often associated with silver mineralization and are considered potential conduits for the high-grade silver fragments previously discovered. The principal 417 structure trends westward, directly towards the historic Mexican Mine, a geological setting that these surveys will thoroughly investigate.
Ground-penetrating radar, a well-established geophysical method in mineral exploration, offers the potential to map subsurface anomalies, including metallic masses, geological structures, and historical mining infrastructure. Its application at the Phoenix Silver Project could provide crucial insights into the subterranean geology and the extent of past mining activities, particularly around the Mexican Mine. GPR operates by transmitting electromagnetic waves into the ground and measuring variations in the electrical properties of subsurface materials. Metals are strong reflectors, but interfaces between different rock types, or even voids like tunnels, can also generate detectable signals. A key technical consideration with GPR is its penetration depth, which is heavily influenced by the conductivity of the overlying soil. In highly conductive environments, radar waves can be significantly attenuated near the surface, limiting the survey’s effective depth. Under optimal conditions, GPR can achieve penetration depths ranging from a few meters up to approximately 100 meters, though variability is common even within successful applications in diverse geological settings.
Should the findings from the magnetometry and GPR surveys prove encouraging, Silver One plans to evaluate the implementation of a gravity survey. This additional geophysical layer could further refine the identification of prime drilling locations. Furthermore, there is potential to extend these geophysical investigations to the Nuggets North area. This region has yielded substantial quantities of silver fragments, some weighing over 20 kilograms, spread across a wide zone, underscoring its potential for significant silver mineralization.
In parallel, Silver One’s ongoing Induced Polarization and Magnetotellurics (IP/MT) surveys are targeting porphyry copper prospects in the southern sector of the property. The comprehensive results from these surveys are anticipated in early 2026.
The company’s broader portfolio includes the past-producing Candelaria Mine in Nevada, where potential exists for near-term production through reprocessing of historic leach pads and further exploration of down-dip and along-strike high-grade silver intercepts. Additionally, Silver One holds interests in the Cherokee project in Nevada, characterized by extensive silver-copper-gold vein systems, and the Silver Phoenix Project, also in Arizona, which is situated within the prolific “Arizona Silver Belt.”
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