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Geología y Exploración

GEOLOGÍA Y EXPLORACIÓN

El sector del proyecto Costa Fuego se encuentra en la frontera entre la Cordillera de la Costa y el sistema de fallas de Atacama. Durante el Cretácico, se formó una gruesa capa de andesita y algunos sedimentos menores (conocidos como el Grupo Bandurrias) en un entorno de extensión dentro de un arco volcánico insular. En esta capa se emplazaron varias intrusiones porfíricas, algunas probablemente contemporáneas con las rocas volcánicas originales. Estas intrusiones parecen ser las responsables de la mayoría de la alteración y mineralización que se observa en la zona.

El área del proyecto cubre una pequeña parte del Cinturón de Hierro chileno, una franja que se extiende por más de 600 km, con un ancho de 20 a 30 km, orientada hacia el norte-noreste y situada al este de la Cordillera de la Costa. Dentro de este cinturón se encuentran varios grandes yacimientos de cobre que actualmente están en producción, como Candelaria, Manto Verde y Punta del Cobre.

Antonio

TIPOS DE DEPÓSITOS

El Proyecto Costa Fuego incluye varios tipos de depósitos y estilos de mineralización.

La mineralización de Cortadera corresponde a un clásico depósito porfírico de cobre, oro y molibdeno. Por su parte, la mineralización de San Antonio se interpreta como un depósito de skarn de cobre estilo veta, que comúnmente se encuentra cerca de fuentes intrusivas y depósitos porfíricos.

Productora presenta características tanto de mineralización tipo IOCG (Iron Oxide Copper Gold) como de tipo manto, aunque posteriores deformaciones estructurales y alteraciones han complicado su clasificación. La mineralización Alice, cercana al depósito Productora, es un porfírico de cobre y molibdeno, lo que sugiere que la mineralización en Productora podría tener fuentes porfíricas.

Ejemplo de corte transversal de sistemas porfíricos en un entorno de arco volcánico, mostrando variaciones geológicas
(Sillitoe, 2010)

técnicas

Aug 2023

The GeoHug Talk: The importance of geological mapping, drill-hole logging & 3D geoscientific data inte – Cortadera starts at 40 minutes

Speaker: Steve Garwin, Hot Chili Chief Technical Advisor

Information in Presentation

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Forward Looking Statements

This presentation may contain “forward-looking statements” and “forward-looking information” concerning the business, operations and financial performance and condition of Company. Forward-looking statements and forward-looking information include, but are not limited to, statements with respect to permitting and legal processes in relation to mining permitting and approvals; the ability to obtain permits for operations; synergies; success of exploration activities; the estimation of mineral reserves (also known as ore reserves) and mineral resources; the realisation of mineral resource and ore reserve estimates; estimated production and mine life of the various mineral projects of the Company; the benefits of the development potential of the properties of the Company; the future price of minerals, including copper, gold, molybdenum and silver; and currency exchange rate fluctuations.

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Forward-looking statements are based on the opinions and estimates of the Company at the date the statements are made and are based on a number of assumptions and subject to a variety of risks and uncertainties and other factors that could cause actual events or results to differ materially from those projected in the forward-looking statements. Many of these assumptions are based on factors and events that are not within the control of the Company and there is no assurance they will prove to be correct.

Factors that could cause actual results to vary materially from results anticipated by such forward-looking statements include variations in ore grade or recovery rates, changes in market conditions, risks relating to the availability and timeliness of permitting and governmental approvals; risks relating to international operations, fluctuating metal prices and currency exchange rates, changes in project parameters, the possibility of project cost overruns or unanticipated costs and expenses, labour disputes and other risks of the mining industry, failure of plant, equipment or processes to operate as anticipated.

The Company cautions that the foregoing list of important factors is not exhaustive. Investors and others who base themselves on forward-looking statements should carefully consider the above factors as well as the uncertainties they represent and the risks they entail and are cautioned not to place undue reliance on forward-looking statements.

Although the Company has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors that cause actions, events or results not to be anticipated, estimated or intended.

There can be no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. The Company undertakes no obligation to update forward-looking statements if circumstances or the Company’s estimates or opinions should change except as required by applicable securities laws.

The Company considers that the expectations reflected in any forward-looking statements are reasonable, but no assurance can be given that these expectations will prove to be correct and such forward-looking statements included in this Presentation should not be unduly relied upon.

Disclaimer

None of ASX Limited, the Australian Securities & Investments Commission (ASIC), the TSX Venture Exchange (TSXV) and the TSXV’s Regulation Services Provider (as that term is defined in the policies of the TSXV) accept or take responsibility for the content of this Presentation or the adequacy or accuracy of this Presentation in any respect.

May 2021

AIG Technical Talk: The Geometry of the Cortadera Porphyry Cu-Au Deposit in Northern Chile: Implications for Exploration

Speaker: Steve Garwin, Hot Chili Chief Technical Advisor

Information in Presentation

Forward Looking Statements

Disclaimer

PREGUNTAS COMUNES

How much ground water are you drawing for the exploration activities?

Hot Chili has never drawn ground water from the aquifer to support its exploration activities.

Hot Chili purchases fresh water, and drills using a closed circuit system to recover and reuse this water.
What exploration methods do you use?

At Hot Chili we use a combination of geophysics, geochemical sampling, x-ray fluorescence, mapping and drilling within our exploration activities. Petrology, mineralogy and research studies are also used to enhance our understanding of the geological systems.

Machine learning algorithms can combine data across multiple sources, under the direction of our geologists and geophysicists, to produce probability models for exploration targeting.
What are the deposit types at Costa Fuego?

Costa Fuego is a collection of 4 different deposits, each with unique geology.

Cortadera and La Verde mineralisation are associated with a classic copper-gold-molybdenum porphyry deposits, while San Antonio mineralisation is interpreted to be a lode-style copper skarn deposit often found proximal to porphyry deposits. Productora displays characteristics of both IOCG and Manto-type copper mineralisation, but subsequent structural deformation and alteration had made classification complicated. The Productora proximal Alice mineralisation is a copper-molybdenum porphyry, which suggests mineralisation at Productora may have porphyry sources.
What is the Costa Fuego Copper-Gold project?

Read more about Costa Fuego on our project page or in the PFS Infosheet below
READ THE INFOSHEET
What minerals are at Costa Fuego?

The main economic mineral is chalcopyrite, a sulphide containing copper.

The deposit contains other economic elements such as gold, silver and molybdenum which are included within the "copper equivalent" calculation used to describe the value of the deposit.

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