Rumble Resources (ASX: RTR)

Announced the metallurgical results from the initial sighter program focused on the transition / fresh sulphide ores selected from the Chinook and Tonka Prospects at the Earaheedy Project, located 110km northeast of Wiluna, Western Australia. 

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Rumble Resources Report Exceptional Metallurgical Results, High Zinc Recoveries and Concentrate Grades

 

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Rumble Resources Limited (ASX: RTR) (“Rumble” or “the Company”) is pleased to
announce the metallurgical results from the initial sighter program focused on the
transition/fresh sulphide ores selected from the Chinook and Tonka Prospects at the
Earaheedy Project (“Earaheedy” or the “Project”), located 110km northeast of Wiluna,
Western Australia.

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Highlights

• Outstanding initial flotation test work results from zinc sulphide dominant ores across
the Earaheedy Project has resulted in:
o High zinc recoveries to 90% Zn in cleaner concentrates
o Coarse primary grind size of 150 micron
o Fast flotation kinetics with clean sulphide separation using site water
o Simple and conventional processing flowsheet recovers a bulk zinc
concentrate with metal credits utilising an uncomplicated and lower
dosage reagent scheme
o Zinc concentrate grades to 59% Zn, with no significant deleterious
elements, supporting a very marketable product
• Initial metallurgical results backed by fast kinetics at coarse grind sizes support a
potential simple low Capex and Opex flowsheet for the Earaheedy Zn–Pb Project
• Recoveries and concentrate grades are at the higher end of global benchmarks
when compared to current zinc developer / producers
• Considerable potential for additional improvements through metallurgical
optimisation test work and value add beneficiation studies planned for 2023
• JORC Mineral Resource Estimate to be brought forward to the first half of 2023

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Shane Sikora, Managing Director of Rumble Resources commented:

“This is an exciting step forward for the project. The metallurgical test work carried out on the zinc sulphide dominant mineralisation has returned exceptional recoveries and grades via a simple and straightforward flotation process delivering a clean and highly marketable bulk concentrate.

 

“It compares favourably to current zinc producers and is positioned in the higher end of globally reported benchmarks.

 

“Furthermore, these recoveries have been achieved at coarse grind sizes with an uncomplicated reagent scheme supporting a simple and conventional process flowsheet that will potentially result in much lower capital and operating costs to those typically observed in many zinc operations of this scale.”

 

“Work continues on the maiden JORC compliant Mineral Resource Estimate (MRE) for the Earaheedy Project for which we are now aiming to announce in the first half of 2023.

“This maiden MRE, in combination with the excellent metallurgy, open–pittable depths, provincial scale and being located in a Tier 1 mining jurisdiction will assist to establish the Earaheedy Project as a World Class zinc deposit and future producer of this critical future–facing commodity.”

 

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.If you need clarification of any information contained in this note, or have any questions, I will be delighted to assist – Please email andrew@city-investors-circle.com

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Disclosure

At the time of writing the author holds no shares in Rumble Resources.

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