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CuFe Restricted (ASX: CUF) (the Firm), is happy to announce a big replace to the Orlando Copper / Gold Useful resource at its 55% owned Tennant Creek Undertaking. The replace is a results of incorporating and estimating the bismuth, silver and different metals contained inside the drill gap information into the Mineral Useful resource Estimate (MRE), with the earlier June 2025 Useful resource replace being restricted to copper and gold solely.
KEY POINTS
- JORC 2012 Mineral Useful resource Estimate replace has been accomplished for the Orlando Deposit positioned on the Tennant Creek Undertaking now together with Bismuth and Silver.
- The brand new Mineral Useful resource Estimate has seen the inclusion of 4,421t of Bismuth contained steel and 266k ounces of silver.
- The Mixed Tennant Creek Useful resource operated by CuFe now totals 24.4 Mt at 1.80% Cu and 0.55 g/t Au, together with 18,224 tonnes of contained bismuth steel and a pair of.03 Moz of silver steel, consolidating it as one among Australia’s largest Bismuth Assets.
- The Bismuth and Silver mineralisation are coincident with the copper and gold mineralisation envelopes, occurring as high-grade pods inside the ore lenses and are seemingly so as to add vital worth to the challenge economics.
- Orlando Scoping Research to be up to date to mirror the inclusion of those wanted commodities
MEC as a technical advisor to CuFe has produced a MRE replace for the Orlando deposit based mostly on the inclusion of Bismuth and Silver from the drill gap information base, the outcomes are summarised in Desk 1. This replace follows an in depth technical evaluate into bismuth (seek advice from CUF ASX announcement dated 21 October 2025) the place vital intercepts of bismuth have been recognized in each historic and newer drilling.
Desk 1: Orlando Deposit Mineral Useful resource as of November 2025 reported above a cut-off 1.0g/t Au equal.
Notes:
- Mineral Assets are reported above a 1.0 g/t Au equal cut-off.
- The mannequin has been depleted with open pit and underground workings and a 5m buffer round underground workings utilized to account for sterilised, unstable and or unrecoverable ore.
- A 5% buffer zone had been utilized to historic underground workings and these tonnes are sterilised and never included within the useful resource
- The gold equal worth is derived from the next components: Au_eq = Au (g/t) + (Cu (%) x 1.38) + (Ag g/t *0.0095) + (Bi % *0.00015)
- The gold equal calculation used for reporting at Orlando solely assumes a gold value of US$4,000/oz for gold, US$9,250/t for complete copper, bismuth value of US$15,000/t and silver value of US$30/oz and assumes an 88% restoration for gold, 87% restoration for copper, 80% restoration for bismuth and 80% restoration for silver. US/AUD change price of $0.67.
- Obvious variations could happen as a result of rounding.
The replace to the Orlando Useful resource will increase the Tennant Creek Undertaking Useful resource to 24.4 Mt at 1.80% Cu and 0.55 g/t Au, and consists of 18,224t of bismuth steel and a pair of.03 Moz of silver (See Desk 2), cementing the belongings as vital deposits inside each the Tennant Creek Mineral Subject and the Northern Territory.
Desk 2: Orlando and Gecko International JORC 2012 Mineral Useful resource Abstract of Tennant Creek, November 2025.
- Gecko MRE is reported above a 1.0% copper cut-off (reported in CUF ASX launch dated 18th August 2025).
- The Gecko MRE copper equal worth is derived from the next components: 𝐶𝑢𝐸𝑞 = 𝐶𝑢 %+(𝐴𝑢 𝑔/𝑡 ×0 .68)+ (𝐴𝑔 𝑔/𝑡 ×0.0089)+ (𝐵𝑖 𝑔/𝑡×0.00014)
- The Gecko MRE copper equal calculation used for reporting at Gecko assumes a US$9,250/t for complete copper, gold value of US$2,200/oz for gold, bismuth value of US$15,000/t and silver value of US$30/oz and assumes an 94% restoration for copper, 83.8% restoration for gold, 80% restoration for bismuth and 80% restoration for silver. US/AUD change price of $0.67.
- Orlando MRE is reported above a 1.0 g/t Au equal cut-off.
- The gold equal calculation used for reporting at Orlando solely assumes a gold value of US$4,000/oz for gold, US$9,250/t for complete copper, bismuth value of US$15,000/t and silver value of US$30/oz and assumes an 88% restoration for gold, 87% restoration for copper, 80% restoration for bismuth and 80% restoration for silver. US/AUD change price of $0.67.Obvious variations could happen as a result of rounding.
Commenting on the Mineral Useful resource Estimates, CuFe Govt Director, Mark Hancock, mentioned:
“This useful resource replace has boosted the challenge’s bismuth assets of Orlando and Gecko to 18,224 tonnes, and over 2Moz of silver and has consolidated CuFe’s place as a holder of one of many largest bismuth assets in Australia at a cut-off date the place international provide considerations for this essential mineral are rising. As context the Tennant Creek bismuth useful resource is now roughly one 12 months of world manufacturing for this essential mineral, which is a wonderful place for an rising firm akin to ours. The useful resource replace permits us to check and decide what the optimum income streams of what at the moment are actually poly metallic deposits and perceive their impacts of capital and operational prices. The mineral area has been a producer of a substantial quantity of bismuth and silver previously as by-products of copper and gold and the quantum of the steel content material throughout the Orlando and Gecko useful resource offers quite a few alternatives to discover which haven’t been examined beneath modern-day steel costs and economics”.
Click on right here for the complete ASX Launch
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