en.Wedoany.com Reported - Flagship Minerals and Tiernan Gold have recently announced progress on their respective projects within the Maricunga Gold Belt in Chile's Atacama Region. Located east of Copiapó, this belt is one of the most important gold districts in northern Chile, and interest in new gold mine development in the country has recently increased.
Australian company Flagship Minerals reported a new Mineral Resource estimate for the Isidora Norte sector within its Isidora Gold project. Calculated in accordance with the JORC 2012 standard, the sector hosts 115.2 million tonnes of ore at an average gold grade of 0.56 grams per tonne, equivalent to approximately 2.1 million ounces of gold. Of this, 91% is classified as Measured and Indicated Resources, which enhances geological confidence for subsequent evaluation stages. The resource is contained within a conceptual open-pit shell and is based on historical drilling data from various operators between 1988 and 2011. The company noted that mineralization begins at surface and remains open in multiple directions, and therefore plans to implement a new drilling campaign.
Canadian company Tiernan Gold provided an update on its Volcan project in the Maricunga Gold Belt. The company has completed relogging and geological modeling of the Dorado West deposit within the Volcan project, involving 15,077 meters of core from 27 drill holes, representing approximately 30% of the total historical diamond drilling. This work was complemented by 6,353 hyperspectral measurements and the analysis of 11,598 core photos. The work indicates that gold mineralization is primarily controlled by veinlets, alteration intensity, and structure, rather than lithology. This finding will improve its geological model for future resource updates and pre-feasibility studies. According to an NI 43-101 estimate, the Volcan project currently hosts Measured and Indicated Resources of 463.3 million tonnes at a gold grade of 0.658 grams per tonne, equivalent to 9.8 million ounces of gold.
The key data for both companies can be summarized as follows: Flagship Minerals' Isidora Norte sector, located east of Copiapó in the Atacama Region, reports a JORC 2012 resource of 2.1 million ounces of gold and is planning infill drilling; Tiernan Gold's Volcan project, located in the Maricunga Gold Belt, holds NI 43-101 Measured and Indicated Resources of 9.8 million ounces of gold and is undergoing relogging, technical studies, pre-feasibility study, and environmental baseline establishment.
In the current context, the Atacama Region is reactivating a portfolio of several gold projects, with assets ranging from advanced exploration to construction and production stages. The region also includes Kinross's Lobo-Marte project, located approximately 170 km northeast of Copiapó, with an expected 16-year mine life and potential production of around 4.7 million ounces of gold equivalent. Gold prices are currently holding at high levels, with Reuters recently reporting spot prices near US$4,532 per ounce, influenced by factors such as interest rates, the US dollar, geopolitical risks, and demand for safe-haven assets.
It should be noted that Mineral Resources are not equivalent to mineable reserves, nor do they guarantee construction, financing, or production. To transform such assets into a mine, companies need to make progress in engineering, metallurgy, environmental permitting, water access, energy, infrastructure, and economic viability. Tiernan has initiated a pre-feasibility study for the Volcan project, with Ausenco as lead consultant, Deswik responsible for mine design, SLR for resource updates, SGS for metallurgical testing, and GAC providing environmental and permitting support. Three meteorological stations, an air quality station, and a dust station have already been installed as part of the environmental baseline. Flagship plans to conduct drilling within and around the Isidora Norte conceptual open pit and continue metallurgical testing to assess gold recovery using methods such as heap leaching.
The key to the industry's assessment of the value of such exploration results lies in whether the resources can be translated into robust technical studies, viable permitting conditions, and a bankable economic model. In a region constrained by water resources, high altitude, and environmental sensitivity, a project's value depends not only on the reported gold ounces but also on its ability to demonstrate sustainable mining capability with competitive costs, permits, and infrastructure conditions.
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