Geochemistry of supergene manganese oxide deposits, …

Some 20 different supergene Mn oxide ores and associated secondary rocks from the Groote Eylandt manganese deposit were analyzed for their major, minor, and trace …

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Mineralogy of the Groote Eylandt manganese oxides: A review

Their mechanisms of formation on Groote Eylandt are described in terms of primary sedimentation (formation of vernadite, romanechite, pyrolusite, todorokite); diagenesis …

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South32 shares rise despite manganese mine suspension

The news: South32 has suspended operations at its manganese mine on the island Groote Eylandt, off the northeast coast of Northern Territory, due to damage caused by …

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The biogeochemical origin of the Groote Eylandt manganese …

The cause of manganese precipitation at Groote Eylandt has been studied chiefly by Frakes and Bolton (1984), who described a mixing model whereby manganese, concen- trated …

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Fresh call for health tests on Groote Eylandt due …

On remote Groote Eylandt off Arnhem Land, Indigenous communities have long lived alongside manganese dust from South32's massive Gemco mine. The fine black dust coats roads and cars, and settles ...

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Rare-earth element geochemistry of supergene manganese deposits …

RARE-EARTH ELEMENT GEOCHEMISTRY OF SUPERGENE MANGANESE DEPOSITS FROM GROOTE EYLANDT, AUSTRALIA TABLE 1 Description of ore and rock …

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South32's Update Fuels Analysts' Optimism

Post the quarterly report, Ord Minnett increases earnings forecasts, noting the still recovering Groote Eylandt manganese business is excluded from the broker's underlying estimates. Citi has raised earnings …

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Discover Groote Eylandt | Australia | Crooked …

It was not long before Groote Eylandt became the provider for 25% of the world's manganese exporting to South Africa, the Middle East and far flung reaches of Asia. Fetching a whopping $1700 per kilogram, in 2020 alone, the …

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Groote Eylandt — Early visitors – White settlement – Mining …

Manganese dominates the social and economic structure of Groote Eylandt. GEMCO is a subsidiary of BHP Billiton who have been scratching and digging on Groote since …

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Rare-earth element geochemistry of supergene …

This study examines the rare-earth element (REE) geochemistry of manganese ores and associated rocks in the Mn-oxide deposit at Groote Eylandt in the Northern Territory of Australia.

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Groote Eylandt | Encyclopedia

Groote Eylandt (grōōt ī´lənd) [Du.,=large island], 950 sq mi (2,461 sq km), Northern Territory, N Australia. It is the largest island in the Gulf of Carpentaria and part of the Arnhem Land …

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Tropical Cyclone Megan closes major mine in …

The storm has already led to the closure of a manganese mine on Groote Eylandt island, the world's largest producer of the metal. Copper $ 4.554 / lb -1.08% Brent Crude Oil $ 62.67 / bbl -0.19%

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Mineralogy of manganese oxides from Groote Eylandt

The manganese ores on Groote Eylandt occur in a flat-lying horizon in a series of Lower Cretaceous sands and clays which overly unconformably the Middle Proterozoic sandstone …

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About

Groote Eylandt, Australia's third-largest island, was named by explorer Abel Tasman in 1644, the Dutch word for "Large Island." Renowned for hosting some of the world's richest manganese …

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Manganese

South32 is the world's largest producer of Manganese, which is produced at our Groote Eylandt Mining Company (GEMCO) and South Africa Manganese operations. We use cookies to enable website functionality and improve your …

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Eastern Leases Project Executive Summary

coal, nickel, silver and manganese. Its assets include the existing manganese mine on Groote Eylandt, which accounts for more than 15% of the world's high grade manganese ore …

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History » Anindilyakwa Land Council

The 1950's brought white men in search of a different kind of wealth, hidden deep in the ground. In 1964, the Church Missionary Society and BHP agreed on royalty payments to allow mining. …

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Traditional owners join forces with Chinese …

For decades, the Anindilyakwa people on Groote Eylandt, 650 kilometres south-east of Darwin, have received tens of millions of dollars in annual royalties, which flow each year from the GEMCO ...

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Groote Eylandt

Groote Eylandt - Oxide ore. If you have additions or corrections to the data for this deposit please contact webmaster. Location - Australia, Northern Territory

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Mineralogy of manganese oxides from Groote Eylandt

Mineralogy of Manganese Oxides from Groote Eylandt J. OSTWALD Shortland, N. S. W., Australia The manganese ores on Groote Eylandt occur in a flat-lying horizon in a series of …

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Manganese

The Groote Eylandt manganese mine has been in operation since 1965 and has produced more than 147 million tonnes of manganese ore and concentrate to June 2023. The …

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Can aquaculture help Groote Eylandt survive its …

Groote Eylandt – a remote outpost in the Gulf of Carpentaria – is a place of marked contrasts. Teeming with wildlife, it's one of the country's top sport fishing destinations, home to hundreds of saltwater crocodiles and a handful of …

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E25 explores Butcherbird restart amid record high …

Typically producing over six-million tonnes a year of high-grade manganese, the Groote Eylandt mine has faced disruptions owing to damage to its haul road and shiploading facilities from a ...

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This Australian island is constantly covered in a …

Locals claim dust from the manganese mine is visible on cars and roofs from the air. (ABC News: Jane Bardon)Most of the 3,000 people who live on Groote Eylandt are Indigenous.

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What does the future look like for Australian …

Tropical cyclone Megan wreaked havoc across the north of Australia in March 2024, forcing a key producer of manganese, Groote Eylandt Mining Company (GEMCO), to temporarily halt production on the island of …

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offers a lifestyle like nowhere else.

Alyangula Area School Groote Eylandt (08) 8987 6366 [email protected] Umbakumba School Groote Eylandt (08) 8987 6793 Admin.umbakumba@ntschools …

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South32 commits $125m to cyclone-hit Groote …

Mining company South32 is pouring $125-million into repair and remediation work at its Groote Eylandt manganese operation (Gemco) in Northern Territory, following the devastation caused by Cyclone ...

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Groote Eylandt | Australia, Aboriginal Culture, …

Groote Eylandt, island off the northeast coast of ... fishers from Makassar journeyed to the surrounding waters in search of bêche-de-mer (trepang). The island was sighted in 1623 by Dutch seamen and ... is the main …

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South32 prepares to restart manganese production in …

Mining company South32 has initiated a phased mining restart at its Groote Eylandt manganese operation (Gemco) and expects first production from the primary …

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South32 beats manganese output estimates as …

South32 has undertaken a phased restart of manganese mining activities at its Groote Eylandt Mining Co (GEMCO) project and production has resumed from the primary concentrator, South32 said.

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