(Patrick Smith is an Investor2M guest columnist)
Targa Exploration Corp (CSE: TEX) (OTCQB: TRGEF) shares shot up 132% to $0.73 on May 19, 2026. The Canadian explorer had just reported initial drill results from its 100%-owned El Zanjon gold-silver project in Argentina.
Targa’s diamond drilling (Hole EZD0001) intersected coarse visible gold at a depth of 105.9 metres (m). More than 2.2 million shares traded hands on the day.
Targa Exploration noted the mineralization occurs within core sections spanning 0.45m to 1.1m in width. It contains up to an estimated 70% veinlets, composed of colloform banded chalcedonic quartz and adularia. These are the classic textural markers of a low-sulphidation epithermal system. A separate metallic mineral highly indicative of electrum was also encountered slightly deeper in the hole at 110.5m.
Visible gold in drill core is one of the most unambiguous early signals an exploration program can produce. Observing mineralization in the first hole at a previously un-drilled project strongly indicates that the targeting methodology is accurate. It also suggests that a substantial hydrothermal system may be present.
The geological location of the find carries strong regional significance as well. El Zanjon encompasses 57,276 hectares situated within the Chon Aike Formation. It is a volcanic sequence known to host the area’s most notable epithermal gold-silver deposits.
The producing Cerro Vanguardia gold-silver mine sits just 30 kilometres (km) to the north along the same regional structural trend. Cerro Vanguardia’s mineralization occurs predominantly as electrum, which mirrors the minerals Targa believes it has intercepted at El Zanjon.
Despite its proximity to a major mine, El Zanjon has never been previously explored. A thick layer of recent unconsolidated sedimentary overburden completely blanketed the property, masking the underlying geology. Targa Exploration bypassed this by deploying ionic leach soil geochemistry paired with magnetometer surveys to map potential metal-bearing systems beneath the cover. Hole EZD0001 confirmed the geological model, striking the vein network directly beneath a coincident geophysical and geochemical anomaly.
To accelerate operations through the overburden, the contractor has mobilized a larger drill rig equipped with a casing advancer tool. The new rig is currently advancing on hole EZD0002, located 90m south of the first hole. It is designed to test the same structure at a deeper level. This setup forms part of an initial 11-hole, 2,250m campaign. It consists of 7 subsequent holes mapped out across 3 additional drill fences within a 7 km-long northeast area.
Absolute economic grades remain pending until official laboratory assay results are returned. That said, visual confirmation of gold and electrum inside a premier mining district provides an early validation of the project’s scalability.
We expect investors will closely track the pending assay timelines for the first two holes. They will also likely be watching step-out results across the remaining targets in the northeast corridor.
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