Andina Copper Corp: Significant Expansion of the Piuquenes East Cu–Au–Ag System
Andina Copper Corp (TSX‑V: ANDC) announced that drill hole PIU09 at the Piuquenes East property intersected an extensive copper‑gold‑silver interval, extending the known mineralized envelope both vertically and laterally. The 126 meter interval, measured from 529 m downhole, recorded 0.46 % Cu, 0.53 g/t Au, and 2.14 g/t Ag. The discovery is supported by a broader 402‑meter section, from 253 m, containing 0.25 % Cu, 0.21 g/t Au, and 1.19 g/t Ag.
Technical Context
The intercept was achieved within a strongly veined, dioritic porphyry that exhibits intense sericitic alteration overlaying potassic features. The mineralization is hosted by A‑type veins rich in chalcopyrite and bornite, with increasing gold grade and vein density at depth—hallmarks of a potassic, gold‑rich core. The hole’s data confirm the vertical extension of the porphyry system first identified in earlier holes (e.g., PIU06) and suggest the presence of a deeper, higher‑grade zone beneath the sericitic overprint.
Follow‑up drilling is already underway at Piuquenes East to test the northern continuity of this Cu–Au–Ag corridor. Concurrently, a second rig is evaluating a discrete geophysical anomaly at Piuquenes North, adjacent to the Piuquenes Central deposit, indicating that the mineralized system may be more extensive than currently delineated.
Market Implications
At the time of the release, Andina Copper’s share price stood at CAD 0.67, with a 52‑week high of CAD 1.12 and a low of CAD 0.12. The company’s market capitalization is approximately CAD 166 million. Despite a negative price‑to‑earnings ratio of ‑24.094, the new drill results enhance the company’s asset base and may justify a reassessment of valuation metrics once a resource model can be developed.
The drilling success aligns with the broader trend of porphyry copper exploration in South America, where high‑grade copper–gold–silver systems are increasingly sought by investors. Andina Copper’s continued progress at Piuquenes—particularly the depth‑dependent intensification of A‑type veins—positions it favorably for potential resource expansion, subject to forthcoming metallurgical testing and feasibility studies.
Forward‑Looking Perspective
The positive drill outcomes at Piuquenes East reinforce Andina Copper’s strategy to build a vertically and laterally extensive Cu–Au–Ag deposit. The company’s next milestones include:
- Completion of the ongoing drill program to define the full extent and grade distribution of the porphyry system.
- Geophysical surveys (MT and IP) at Piuquenes North and Central to delineate the continuity of mineralization.
- Resource estimation and preliminary economic evaluation, enabling the company to move from exploration to development considerations.
Given the technical characteristics of the intercept—particularly the increasing gold grades with depth—and the alignment with proven porphyry models in the region, Andina Copper is well positioned to advance its project to the resource stage. Stakeholders should monitor the company’s upcoming drill results and subsequent reporting for indications of a material resource upgrade and potential exploration upside.
