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Before a mining project can be considered for open-pit development, several conditions need to line up. The ore body must sit close enough to the surface that stripping away the overlying rock and soil is economically justified. Engineers look at what is called the strip ratio, which is the amount of waste material that must be removed for every tonne of ore recovered. A favourable strip ratio, combined with sufficient grade and tonnage, determines whether surface mining makes financial sense. The geometry of the deposit matters too: geologists and mine planners need a clear picture of how wide, how deep, and how continuous the mineralization is before a resource estimate can be built, and before that estimate can be used to model a pit outline. Finally, infrastructure factors such as access to roads, power, and water all factor into whether a project can realistically move from exploration toward construction. For a project at Arras Minerals Corp. (TSXV: ARK) (OTCQB: ARRKF), the recent results moved several of those checkboxes meaningfully forward.
The company released drill results from its Elemes Project in northeastern Kazakhstan that caught the attention of investors quickly. Drill hole EL26032, drilled at the Berezski North porphyry target, intersected 3,070 feet (935.9 metres) of copper-gold mineralization starting from surface, grading 0.71% CuEq. CuEq, or copper equivalent, is a way of expressing the combined value of multiple metals in a deposit (in this case copper, gold, silver, and molybdenum) as a single copper-equivalent grade, using prevailing metal prices and assumed recovery rates to convert each metal into its copper value. The 935.9-metre intercept included a higher-grade zone of 705 feet (214.9 metres) grading 1.42% CuEq beginning at 532 feet (162.1 metres) depth, and within that, a breccia interval of 180 feet (55 metres) grading 4.41% CuEq from 709 feet (216 metres). The hole was stopped before it exited the mineralized zone, meaning the bottom of the system remains unknown.
That last point is what adds particular weight to the result. Near-surface, high-grade copper-gold intersections of this length are exceptional in exploration. The fact that the hole terminated in mineralization at 935.9 metres suggests the system continues at depth, which expands the potential scale of any future resource estimate considerably. Porphyry deposits, the geological type being explored here, are responsible for the majority of the world’s copper supply and are typically large, bulk-tonnage systems. In Kazakhstan, the same geological belt that hosts the Elemes Project also hosts KAZ Minerals’ Bozshakol copper mine, roughly 40 miles to the northwest, one of the larger open-pit copper operations in Central Asia.
Arras is a Canadian exploration and development company with a land package covering 205 square miles in the Ekibastuz area of Pavlodar province. Drilling at Elemes began in earnest in 2024 and has since identified porphyry-style mineralization across a 5.5 mile structural trend known as the Berezski Trend. The results came from the northernmost part of that trend, more than 3.1 miles from two other targets that have also returned strong copper-gold intercepts, suggesting the Elemes footprint is considerably larger than earlier results implied.
Investors responded sharply. ARK shares were up more than 40% after the announcement. That kind of move is a signal that the market was not simply reacting to a routine update. The result appears to have prompted a re-evaluation of what the project could become, particularly given that the system remains open in multiple directions and at depth.
Four diamond drill rigs are currently active on the Elemes Project as part of a 30,000-metre program planned for completion by the end of 2026. Six additional holes have already been drilled with assays pending, and a 362-hole shallow sampling program completed recently is expected to yield follow-up targets when results come in during July. The combination of a confirmed large-scale porphyry system near surface, strong infrastructure including a paved highway and access to rail and power, and a fully funded multi-rig drill program gives the company a steady pipeline of potential catalysts through the remainder of the year. Whether EL26032 marks the beginning of a tier-one copper discovery or simply a very strong chapter in an ongoing exploration story, the geological case for Elemes just got considerably harder to ignore
