Drill Results
ATERRA Finalizes Option Agreements for the Totora Copper-Gold Porphyry Properties, Region III, Chile

ATC · Price
Executive Summary
- ATERRA Metals Inc. has executed option agreements for the Totora copper‑gold porphyry properties in Chile, securing rights to four concessions (Frontera, Taruca, Clinton and Sevilla).
- The execution follows a $2.78 M private placement and enables immediate mobilization of field crews for re‑logging historic core, geophysical work, and a Phase I drill program aimed at producing 43‑101‑compliant resource estimates.
- Historical drilling highlights across the Totura project show multiple intervals with copper‑equivalent grades ranging from ~0.48% to >1.6% CuEq, underscoring significant exploration potential.
Key Details
- Option Agreements Executed: Totora Project (Frontera, Taruca, Clinton) plus addition of 200‑ha Sevilla concession at no extra cost.
- Financing Background: $2.78 M private placement closed prior to signing the option agreements.
- Exploration Plan:
- Immediate re‑logging of historic drill core.
- Geophysical surveys over key porphyries.
- Late Q1 Phase I drill program targeting conversion of historical results into NI 43‑101 resource estimates.
- Historical Resource Highlights – Frontera Deposit:
- Indicated: 16 Mt @ 0.66% CuEq (0.38% Cu, 0.22 g/t Au).
- Inferred: 34 Mt @ 0.64% CuEq (0.36% Cu, 0.22 g/t Au).
- Key Historical Drill Intercepts:
| Property | Hole | Interval (m) | CuEq (%) | Cu (%) | Au (g/t) |
|---|---|---|---|---|---|
| Frontera | FRP004D | 478 m | 0.72 | 0.39 | 0.26 |
| Clinton | RCCL‑01 | 166 m | 0.63 | 0.23 | 0.31 |
| Clinton | DDHCL‑06 | 276 m | 0.61 | 0.23 | 0.30 |
| Totora | DDHTP‑02 | 142 m | 0.69 | 0.47 | 0.17 |
| Totora | DDHTO‑07 | 114 m | 0.61 | 0.23 | 0.31 |
| Algarrobilla | DDHCL‑13 | 8 m | 1.64* (CuEq) | 1.14 | 0.39 |
* CuEq calculated using $4.00/lb Cu and $3,500/oz Au.
- Sevilla Concession: Added under existing Clinton option; artisanal mining activity observed, indicating nearby copper occurrences.
- Qualified Person (NI 43‑101): Francisco Bravo, Public Registered Person for Reserves and Resources No. 515 (Chile).
- Forward‑Looking Statements: Plans for exploration, resource estimation, and potential development are subject to risks including permitting, financing, metal price fluctuations, and technical outcomes.
Notable Quotes
“With the recent closing of our $2.78 million private placement, we have signed the three option agreements which underpin the Totora Project properties and are preparing to mobilize a field crew to start exploration activities immediately,” – Carl Hansen, CEO, ATERRA Metals Inc.
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Jun 08, 2026 · 09:07