Gold Hart Copper Corp. (TSXV: HART) — Geophysics Survey Underway at Tolita; Surface Copper Identified at Nessa
Overview
Gold Hart Copper Corp. (“Gold Hart” or the “Company”) announced the commencement of a new geophysical survey at its Tolita gold-copper-molybdenum-silver project, located in Chile’s Vicuña Copper-Gold District. The program is designed to expand on the Company’s 2022 survey and further define the subsurface characteristics of the target area.
In addition, the Company has begun road construction across its Nessa properties, situated along the Domeyko Fault west of Kinross’ La Coipa mine. During this process, field crews reported new copper occurrences at surface and confirmed the presence of historic mining pits. The Company also reported completion of drill pad expansion at Tolita in preparation for its next phase of drilling, projected to begin in late October 2025.
Key Developments
1. Tolita Geophysical Program
- A second induced polarization (IP) and resistivity survey has commenced to test extensions of an existing chargeability anomaly previously defined in 2022.
- The program is being completed by a Chile-based contractor with experience in large-scale projects including Caserones, Escondida, El Morro, and Cerro Casale.
- Approximately 5–10 km of new survey lines will be added to the 14 km completed during the initial phase. Results are expected following data analysis later this quarter.
Objectives include evaluating deeper mineralized zones, testing northern extensions of the anomaly, and refining structural interpretations.
2. Access and Surface Work at Nessa
- Gold Hart has begun constructing new access roads at the Nessa, Pingo, and Manto Carolina properties to improve field accessibility.
- During the work, crews identified visible copper mineralization (malachite and chrysocolla) and previously undocumented artisanal pits.
- Historic sampling results from the area have included grades up to 25 g/t Au, 3.25% Cu, and 958 g/t Ag, but the current program is at an early stage and focused on confirming geological continuity.
- Once roadwork is completed, the Company plans to conduct follow-up geochemical and mapping surveys to evaluate the identified areas.
3. Drilling Preparation at Tolita
- The drill pad at Tolita has been expanded to accommodate a larger-capacity diamond drill rig.
- Camp improvements and site preparation are near completion.
- Drilling activity is expected to commence between October 24 and October 27, 2025, pending final mobilization and permitting requirements.
Context
The Tolita property hosts a near-surface geophysical anomaly measuring approximately 2.5 km², initially identified through work completed in 2022. Previous trenching and limited RC drilling in the 1990s reported intervals containing both gold and copper, though these results are historical in nature and not compliant with current disclosure standards. The current program is intended to provide additional subsurface data to assist in refining future exploration plans.
The Nessa properties are located on the Domeyko Fault, a major geological structure that hosts multiple producing copper operations in Chile. Improved access through newly constructed roads enables modern geological work to be undertaken for the first time in several decades.
ArcStone Commentary
Gold Hart Copper’s recent updates indicate continued fieldwork progression across its Chilean portfolio. The new geophysical survey at Tolita is focused on data collection and structural modeling, while the surface and access work at Nessa are intended to establish logistical readiness for future exploration.
The Company’s near-term deliverables include completion of the geophysical survey, interpretation of results, and initiation of its next round of drilling at Tolita.
About Gold Hart Copper Corp.
Gold Hart Copper Corp. (TSXV: HART) is a Canadian mineral exploration company focused on properties located in northern Chile. The Company holds a portfolio of copper, gold, silver, and molybdenum assets within the Maricunga and Vicuña mineral belts. Its management team includes professionals with prior experience in Chile’s major mining regions. All properties are currently 100%-owned.
You can read the full press release below:
ArcStone Financial Pulse Team
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