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 Pyrolusite from near Kilmore, Victoria (Scale: 6 cm)

Up to 90% of mined manganese is used as an alloying material for steel.

A small amount of manganese ore has been produced from a few occurrences in Victoria. These are predominantly of secondary origin, are derived from volcanic rocks, and contain mainly manganese and iron oxides. Most of the manganese production in Victoria (approximately 420 tonnes of ore mined intermittently between 1910 and 1927) was from the Cambrian mafic to intermediate Heathcote Volcanics. There has also been a limited amount of production of manganese from a transitional volcano-sedimentary sequence in the uppermost Snowy River Volcanics in the Buchan area.

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Further information

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Map: Manganese in Victoria.