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Australia's Ioneer quadruples lithium reserves at Nevada project

Ioneer, a critical minerals miner based in Australia, announced on Monday that the ore reserves of its Rhyolite Ridge Lithium Boron Project have grown four-fold. Nearly half the mineral resource has been converted into reserves.

According to the company, ore reserves have quadrupled from 60 million tonnes to 246,6 million tonnes by 2020.

Ioneer said that the reserve contains 1,92 million tonnes equivalent lithium carbonate and 7,68 million tonnes equivalent boric acid, making it one of the largest lithium-boron reserves in existence.

It allows Ioneer the flexibility to blend or prioritize ore in order to produce boric acid, which is a valuable co-product whose market has no correlation with that of the primary lithium product. This was stated by Bernard Rowe, Ioneer's Managing Director.

Due to an oversupply of lithium, the price has fallen by more than 80% since its peak in November 2022. This has forced companies to shut down mines and postpone projects.

Ioneer will prioritize high-boron ores in the first 25 production years, when lithium prices are low, to maximize revenues from boric acids sales.

The upgrading of ore reserves follows months after Sibanye Stillwater announced it would not invest in the Lithium project due to the plummeting price of the rare metal.

As part of its diversification in battery metals, Sibanye agreed to establish the joint venture between Ioneer and Sibanye by 2021.

Ioneer estimates that the total capital cost to complete the project will be $1.67billion. (Reporting and editing by Shreya biswas in Bengaluru, Pooja menon from Bengaluru)

(source: Reuters)