Mount Burgess reports significant Gallium intersections at Kihabe-Nxuu Polymetallic project

Mount Burgess Mining NL (ASX:MTB) has received encouraging outcomes from the further review of Gallium (Ga) assay results from the Kihabe-Nxuu Polymetallic Zn/Pb/Ag/V/Ge/Ga Project in Botswana. The Company completed the review at its Kihabe Deposit in light of recent significant price increases in Gallium (Ga) from US$250/kg in 2017 to US$615/kg currently (Kitco Strategic Metals).

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Ga has many modern applications, such as:

• Electronics, semiconductors, transistors, mobile phones.
• Pressure sensors for touch switches.
• Converting electricity into light via LEDs (Light Emitting Diodes).
• Blue Ray Technology.

Given its high boiling point, Gallium is also used as an alloy with most metals, particularly low temperature melting alloys.

In January 2022, MTB also reviewed Ga assay results from the Nxuu Deposit and indicated that large areas with Ga intersections exhibit significant Zn/Pb grades and, as such, Ga could potentially be recovered at the same time. The Kihabe Deposit lies 7 kilometres west of the Nxuu Deposit.

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Overview of Gallium Content at Kihabe Deposit

Mount Burgess has conducted assaying for GA on seven holes drilled in the October/November 2017 drilling campaign which targeted the Kihabe Deposit upper oxide zone. The results have been significant, with all seven holes showing to contain Gallium intersections, alongside intersections of Zn, Pb, Ag, V and Germanium (Ge).

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Source: Company update, February 2022

The Company has previously reported all assay results from Zn, Pb, Ag, V and Ge. The Ga results have now been reported, driven by the recent significant price increase of Ga. The recent development show that Ga intersections could represent a significant credit for the Kihabe Deposit. In drill hole KDD201, continuous Ga mineralisation occurs over a 60-degree inclined down hole intersection of 91m.

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Mineralogical and Metallurgical Test work on Gallium

Mineralogical test work is currently ongoing on Kihabe Deposit drill core samples by the University of Tasmania to determine the host minerals for both Ga and Ge. Once determined, further metallurgical testwork are in the pipeline to ascertain the on-site recoverability of Ga and Ge.

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On 9 February 2022, MTB shares traded at A$0.006.