Rebeico Gold-Copper

Property Location

The Rebeico Gold-Copper Project is located in Mexico’s famed Sierra Madre Gold belt, one of the world’s largest and most prolific mineral districts, credited with production of over 80 million ounces of gold and over 4.5 billion ounces of silver*

The Rebeico project is located 115 kilometers east of Hermosillo Sonora, Mexico and is easily accessed by paved and all- weather roads.

Rebeico is the site of numerous historical small underground mines which were developed along a one kilometer steeply dipping vein referred to as the “Alaska” vein.

Old workings along the Alaska vein were developed to depths of approximately 70 meters over widths of 1.5 meters and occur intermittently along strike.

The mines were developed to extract gold, copper and silver ores during the early 1940’s, and were sent for refining to El Paso , Texas

Since that time, little activity took place on the properties until they were consolidated in the mid-2000’s by a local Mexican geologist ,Ing. Francisco Navarro, who founded YQ Gold de Mexico S.A. de C.V. with two other accomplished geologists, to further explore and develop the promising prospect.

YQ Gold undertook a compilation of all available historical data and determined that the property had exceptional potential for the discovery of multiple styles of gold, copper and silver mineralization.


Elena OutcropFollow-up investigations by YQ verified that the Alaska vein was continuous for over one kilometer with excellent values of gold,copper and silver obtained from underground and surface rock samples (up to 7.22 g Au/t, 48g Ag/t and 1.26% Cu).

During the course YQ’s exploration, a new style of mineralization was identified as an oxidized and mineralized Breccia Zone, with grades from surface rock chip samples ranging from 1.0 to 26.0g Au/t and 0.2 to 0.7% Cu over an area of approximately 150 m by 150 m.

This new Breccia zone represents a prime exploration target and further surface evaluation and drilling will better define the zone.

Property Ownership

Ridgestone Mining entered into an option agreement with YQ Gold in April 2018, to acquire a 100% interest in the Rebeico project on very favourable terms, and commissioned MDA Associates of Reno, Nevada to complete a NI 43-101 Technical Report on the project.

The author of the report reviewed all available data and work by YQ Gold and after visiting the property concluded that the Alaska vein and the Breccia zone were likely related to each other and may be close to a possible porphyry copper-gold system at depth.

Ridgestone has since followed up on the author’s recommendations by completing an IP/Resistivity survey and a diamond drill program along the Alaska vein, for which interpretation and results are pending.

* (Journal of South American Earth Sciences 58(2015))

Technical Reports

NI 43-101 Technical Report on the Rebeico Gold-Copper Project

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