High-Grade Gold. Porphyry-Scale Potential.

A historically mined gold system with documented high-grade results, an undrilled depth extension, and untested porphyry copper-gold potential — all in one road-accessible project in Nayarit, Mexico.


Fairfield Gold Project — Nayarit, Mexico location map Fairfield Gold Project

Project Overview

A High-Grade Gold-Silver Vein System with Porphyry Copper-Gold Upside.

Miravalles Gold Corp. has entered into a definitive agreement to acquire a 100% interest in the Fairfield Gold Project, a 1,012-hectare gold-silver exploration property in Nayarit, Mexico. The project is centered on a series of historically developed high-grade vein structures. Historical work includes ASARCO underground development, Mexican Geological Survey drilling, and multiple historical technical studies.

Why Mexico

Mexico is one of the world's premier mining jurisdictions, offering a compelling combination of geological endowment and operational advantages.

Top global producer of silver; major producer of gold, copper, zinc, and lead

Well-established mining law and regulatory framework

Mining-friendly jurisdiction with long history of foreign investment

Excellent infrastructure — roads, power, skilled workforce

Nayarit state: accessible terrain with existing paved road access to project

Proximity to Puerto Vallarta (~70 km) and Tepic (~25 km) ensures logistics support

Surge in mining M&A activity signals growing investor confidence in Mexico's precious metals sector

Strong pipeline of Canadian junior miners actively exploring Mexico's northwest mining corridor

Two Exploration Opportunities

Fairfield offers both near-term high-grade vein targets with established historical infrastructure and a largely untested porphyry copper-gold target model.

High-Grade Gold-Silver Veins

Multiple historically worked vein structures provide near-term exploration targets with documented high-grade gold and silver mineralization.

  • Miravalles — 1,500 m reported strike, ASARCO development
  • San Francisco — significant dump material, 7.93 g/t Gold in 2026
  • Tres Estrella — 43.1 g/t Gold chip sample reported
  • Constancia & Coronillas — additional explored vein targets

Untested Porphyry Copper-Gold Potential

Geological indicators suggest the project may also host a larger copper-gold system that has not yet been tested with modern drilling.

  • La Mano — stockwork copper-gold target
  • Diatreme — copper-gold target area with geological indicators commonly associated with large mineral systems
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