(TheNewswire)
VANCOUVER, BC — TheNewswire – December 3, 2025 — Big Mining Corp. (CSE: BFG,OTC:BFGFF | OTC: BFGFF | FWB: YW5 | CSE: BFG.WT.A | CSE: BFG,OTC:BFGFF.WT.B.) (“Big Mining” or the “Firm”) is happy to announce that it’s planning to undertake further metallurgical take a look at work to replace and increase upon historic metallurgy accomplished at its Majuba Hill Copper-Silver-Gold Venture in Pershing County, Nevada.
The extra metallurgical work will refine the Firm’s understanding of copper, silver, and gold recoveries throughout oxide, transition, and sulphide zones inside the Majuba Hill porphyry system.
Excessive-Grade Copper-Silver Historic Drill Help
Majuba Hill has demonstrated robust high-grade copper and silver mineralization in historic drilling, together with Gap MHB-30: 74.0 ft averaging 2.6% Cu and 30.1 g/t Ag, inside 218 ft averaging 1.35% Cu and 73.4 g/t Ag. These high-grade intervals spotlight the system’s energy and reinforce the importance of silver. At the moment RESPEC Firm LLC is refining the geological mannequin and incorporating silver assays to advance the delineation of the copper-silver-gold system at Majuba.
David Greenway, President and CEO of Big Mining . “With Copper, Silver, and Gold not too long ago hitting all-time highs and analysts suggesting greater costs are nonetheless forward, Majuba Hill is displaying glorious potential as a district scale copper-silver undertaking with significant gold credit. Historic work signifies copper recoveries of as much as 80% and silver recoveries as much as 75% with gold requiring trendy restoration strategies that we intend to guage. Updating this work is the pure subsequent step as we advance Majuba Hill. With robust historic drill outcomes and inspiring early stage, historic metallurgical outcomes, we consider continued technical work is warranted to additional assess the multi-metal potential that’s rising within the Majuba Hill porphyry system.”
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Determine 1: Historic drill core from gap MHB-30 (picture for illustrative functions solely). The Firm has not verified the historic core assays or logging.
All three of the important thing commodities on the Majuba Hill Venture copper, silver, and gold, have not too long ago achieved file all-time highs, underscoring the energy of the market surroundings surrounding the undertaking. In accordance with TradingEconomics.com:
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Copper reached an all-time excessive of US$5.94/lb in July 2025 and is at present buying and selling at roughly US$5.21/lb. 1
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Silver achieved an all-time excessive of US$58.85/ouncesin December 2025 and is at present buying and selling round US$57.65/oz. 2
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Gold hit an all-time excessive of US$4,381.58/ouncesin October 2025 and is now buying and selling at roughly US$4,216/oz. 3
Commodity costs are offered for context solely and don’t suggest that the Venture has demonstrated financial viability.
Aims of the Deliberate Metallurgical Program
The Firm’s metallurgy program goals to:
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Assess oxide, blended, and sulphide mineralization domains
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Enhance the understanding for copper, silver, and gold restoration processes
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Consider multi-stage processing choices (heap leach and/or flotation and/or vat leaching)
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Consider downstream silver and gold circuits
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Generate new technical knowledge for mineralization delineation and future financial research
Overview of Historic Metallurgical Discovering s
Historic metallurgical take a look at work and research have offered encouraging indications for Majuba Hill’s processing potential. The findings bolstered the Corporations confidence to press ahead and increase the mineralization with the continuing exploration drilling program that has centered on defining a useful resource. These historic research whereas encouraging are early stage. The outcomes present the premise for continuing with the great metallurgical testing—the main focus of the newly introduced program.
Acid vs Cyanide Leach Testing Research i (2012-Historic Reverse Circulation Drill Samples)
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Acid-soluble and cyanide soluble copper and silver recoveries had been evaluated throughout low, mid, and high-grade materials in 231 samples.
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When adjusting for ferric iron era typical of working heap-leach techniques, total copper restoration estimates elevated to:
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~60% for low-grade,
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~70% for mid-grade,
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Laurion Consulting Composite Leach Check i (2013)
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A single composite pattern grading 0.62% Cu and 34.6 g/t Ag examined utilizing sulfuric acid achieved:
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Outcomes recommend Majuba Hill oxide materials is amenable to traditional heap-leach processing with copper recovered by SX-EW.
Technical Report for the Majuba Hill Copper Venture Amended Date: February 4, 2025
Flotation Research (2017 Inside Firm Report for Historic Core Drill Samples)
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Comparability examine that used copper and silver extraction by way of flotation and agitated leach. Bench scale testing that assorted the collector focus and pH achieved:
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Outcomes had been in comparison with conventional heap leach/SX/EW course of
The metallurgical take a look at work and drilling outcomes referenced on this information launch are thought of historic in nature. The Firm has not independently verified the info, which predates the Firm’s involvement at Majuba Hill, and the work was not accomplished in accordance with present CIM Definition Requirements or trendy QA/QC practices. As such, the outcomes shouldn’t be relied upon and are utilized by the Firm solely to information present and future exploration and metallurgical packages.
Majuba Hill’s critically vital traits are as follows:
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Location: |
Nevada, USA — a globally top-ranked mining jurisdiction, ranked #1 within the Fraser Institute’s 2022 Annual Survey of Mining Corporations. |
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Venture Measurement: |
9,684 Acres |
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Infrastructure: |
The Majuba Hill property is positioned 113 street kilometers (70 miles) southwest of Winnemucca, Nevada, and 251 kilometers (156 miles) northeast of Reno. It’s accessible by way of well-maintained county roads from the Imlay, Nevada exit on U.S. Interstate 80, adopted by a 23-mile drive west. Folks, roads, energy, and water are elementary issues for infrastructure, and Majuba Hill already advantages from a robust basis in all these areas. This present infrastructure supplies a big benefit, providing substantial value financial savings in comparison with extra distant tasks. |
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Historical past: |
Historic Producer |
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Drilling: |
Roughly 89,395 ft of drilling to this point. Tough substitute worth of drilling USD $12.1 Million utilizing present prices. |
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Mineralization: |
The undertaking reveals indications of a probably giant Cu – Ag +/- Au mineralized physique with many options in frequent with each giant porphyry copper, silver, and gold tasks. |
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Expandability: |
The IP survey, deep drilling, and step-out drilling point out important enlargement potential, with mineralization open in all instructions. |
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Totally Financed: |
Secured funding for subsequent section of drilling at Majuba Hill |
Certified Particular person
The scientific and technical data contained on this information launch has been reviewed and permitted by E.L. “Buster” Hunsaker III, CPG 8137, a non-independent consulting geologist who’s a “Certified Particular person” as such time period is outlined beneath Nationwide Instrument 43-101 – Requirements of Disclosure for Mineral Initiatives ( “NI 43- 101” ) .
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About Big Mining Corp.
Big Mining is concentrated on figuring out, buying, and advancing late-stage copper and copper/silver/gold tasks to fulfill the rising international demand for important metals. This demand is pushed by initiatives just like the Inexperienced New Deal in the USA and related climate-focused packages worldwide, which require substantial quantities of copper, silver, and gold for electrical autos, renewable vitality infrastructure, and the modernization of fresh and inexpensive vitality techniques.
The Firm’s flagship asset is the Majuba Hill Copper, Silver, and Gold District, positioned 156 miles (251 km) from Reno, Nevada. Majuba Hill advantages from a mining-friendly regulatory surroundings and robust native infrastructure. Whereas nonetheless an exploration-stage asset, the geological footprint and scale of mineralization point out that additional work is clearly justified and that the system could host important copper potential.
Neither the Canadian Securities Trade nor its Market Regulator (as that time period is outlined within the insurance policies of the Canadian Securities Trade) accepts duty for the adequacy or accuracy of this launch.
On Behalf of the Board of Big Mining Corp.
“David Greenway”
David C. Greenway
President & CEO
For additional data, please contact:
E: information@giantminingcorp.com
P: 1 (236) 788-0643
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Ahead-Trying Statements
This information launch comprises sure ahead ‐ trying data. Such data entails recognized and unknown dangers, uncertainties and different components that will trigger precise outcomes, efficiency or achievements to be materially completely different from these implied by statements herein, and due to this fact these statements shouldn’t be learn as ensures of future efficiency or outcomes. All ahead ‐ trying statements are primarily based on the Firm’s present beliefs in addition to assumptions made by and data at present out there to it in addition to different components. Readers are cautioned to not place undue reliance on these ahead ‐ trying statements, which communicate solely as of the date of this press launch. On account of dangers and uncertainties, together with the dangers and uncertainties recognized by the Firm in its public securities filings, precise occasions could differ materially from present expectations. These statements contain recognized and unknown dangers, together with exploration, metallurgical, allowing, environmental, commodity worth, and market dangers. The Firm disclaims any intention or obligation to replace or revise any ahead ‐ trying statements, whether or not on account of new data, future occasions or in any other case.
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1 Copper – Worth – Chart – Historic Information – Information
2 Silver – Worth – Chart – Historic Information – Information
3 Gold – Worth – Chart – Historic Information – Information
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