REE distribution in ferromanganese oxide ores from Iron Ore Group, Western Koira Valley, Orissa, India.

Mohapatra, B. K.; Paul, Destombes Jean; Sahoo, R. K.

doi:10.2465/ganko.91.266

Cited by 5 publications

(14 citation statements)

References 11 publications

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“… †Present study; ‡Mishra et al (2006); Present study; §Mishra et al (2006); Present study; ¶Mohapatra et al (1996); Mishra et al (2006); ††Kato et al (2005a, b); Moriyama et al (2007a, b); ‡‡Fujinaga et al (2006); Moriyama et al (2007a, b); §§Wu et al (1990); Zhu (1999); ¶¶HREE‐enriched weathered crust deposit in Longnan area, Jianxi province, south China; †††Taylor and McLennan (1985). …”

Section: Hree Resources In the Iog Oresmentioning

confidence: 88%

“…These extensive iron beds are similar to the Lake Superior‐type BIF (Banerji, 1977). There are a number of manganese orebodies within chert and/or shale as layers and lenses (Banerji, 1977; Mohapatra et al , 1996; Mishra et al , 2006).…”

Section: Geology Of Late Archean Manganese‐iron Belt In East Indiamentioning

confidence: 99%

“… Post‐Archean average shale (PAAS)‐normalized rare earth element (REE) patterns. (a) Iron Ore Group (IOG) ores (Mohapatra et al , 1996; Mishra et al , 2006; present study); (b) Phanerozoic stratiform manganese and ferromanganese ores from Japan (Kato et al , 2005a, b; Fujinaga et al , 2006; Moriyama et al , 2007a, b); (c) modern oceanic ferromanganese and manganese sediments (Barrett & Jarvis, 1988; Hodkinson et al , 1994); (d) modern hydrothermal solution and seawater (Douville et al , 1999). …”

Section: Chemical Composition Of Iog Ore Samplesmentioning

confidence: 99%

“…Although stratabound‐type deposits were formed as a result of the re‐mobilization of manganese from the existing orebodies (Mishra et al , 2006), both stratiform‐ and stratabound‐type ores have the same compositional variations and REE characteristics (Figs 3,4). The PAAS‐normalized REE pattern of host‐rock shale in the IOG is flat from middle REE (MREE) to HREE, and no positive Eu anomaly is apparent (Mohapatra et al , 1996). The flat REE pattern indicates that the shale contains few plagioclase as a clastic material, because sedimentary rocks that include clastic plagioclase would demonstrate a positive Eu anomaly.…”

Section: Origin Of the Iog Ore Depositsmentioning

confidence: 99%

“…HREE‐enriched ferromanganese ores have been identified in the central and northeast parts of the Noamundi basin (Mishra et al , 2006) and from the southwestern part of the basin (Mohapatra et al , 1996). In addition to ferromanganese ores, the present data indicated HREE‐enriched manganese ores in the northeast part of the Noamundi basin.…”

Section: Hree Resources In the Iog Oresmentioning

confidence: 99%

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Rare Earth Element Enrichment in Late Archean Manganese Deposits from the Iron Ore Group, East India

et al. 2008

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The major, trace and rare earth element (REE) composition of Late Archean manganese, ferromanganese and iron ores from the Iron Ore Group (IOG) in Orissa, east India, was examined. Manganese deposits, occurring above the iron formations of the IOG, display massive, rhythmically laminated or botryoidal textures. The ores are composed primarily of iron and manganese, and are low in other major and trace elements such as SiO 2 , Al 2 O 3 , P 2 O 5 and Zr. The total REE concentration is as high as 975 ppm in manganese ores, whereas concentrations as high as 345 ppm and 211 ppm are found in ferromanganese and iron ores, respectively. Heavy REE (HREE) enrichments, negative Ce anomalies and positive Eu anomalies were observed in post-Archean average shale (PAAS)-normalized REE patterns of the IOG manganese and ferromanganese ores. The stratiform or stratabound shapes of ore bodies within the shale horizon, and REE geochemistry, suggest that the manganese and ferromanganese ores of the IOG were formed by iron and/or manganese precipitation from a submarine, hydrothermal solution under oxic conditions that occurred as a result of mixing with oxic seawater. While HREE concentrations in the Late Archean manganese and ferromanganese ores in the IOG are slightly less than those of the Phanerozoic ferromanganese ores in Japan, HREE resources in the IOG manganese deposits appear to be two orders of magnitude higher because of the large size of the deposits. Although a reliable, economic concentration technique for HREE from manganese and ferromanganese ores has not yet been developed, those ores could be an important future source of HREE.

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Section: Hree Resources In the Iog Oresmentioning

confidence: 88%

Section: Geology Of Late Archean Manganese‐iron Belt In East Indiamentioning

confidence: 99%

Section: Chemical Composition Of Iog Ore Samplesmentioning

confidence: 99%

Section: Origin Of the Iog Ore Depositsmentioning

confidence: 99%

Section: Hree Resources In the Iog Oresmentioning

confidence: 99%

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Rare Earth Element Enrichment in Late Archean Manganese Deposits from the Iron Ore Group, East India

et al. 2008

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Contrasting REE Signatures on Manganese Ores of Iron Ore Group in North Orissa, India

Mishra

Mohapatra

Singh

2007

Journal of Rare Earths

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Genesis for Rare Earth Elements Enrichment in the Permian Manganese Deposits in Zunyi, Guizhou Province, SW China

Gao

Yang

et al. 2020

Acta Geologica Sinica (Eng)

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The Zunyi manganese deposits, which formed during the Middle to Late Permian period and are located in northern Guizhou and adjacent areas, are the core area of a series of large‐medium scale manganese enrichment minerogenesis in the southern margin and interior of the Yangtze platform, Southern China. This study reports the universal enrichment of rare earth elements (REEs) in Zunyi manganese deposits and examines the enrichment characteristics, metallogenic environment and genesis of REEs. The manganese ore bodies present stratiform or stratoid in shape, hosted in the silicon–mud–limestones of the Late Permian Maokou Formation. The manganese ores generally present lamellar, massive, banded and brecciated structures, and mainly consist of rhodochrosite, ropperite, tetalite, capillitite, as well as contains paragenetic gangue minerals including pyrite, chalcopyrite, rutile, barite, tuffaceous clay rock, etc. The manganese ores have higher ΣREE contents range from 158 to 1138.9 ppm (average 509.54 ppm). In addition, the ΣREE contents of tuffaceous clay rock in ore beds vary from 1032.2 to 1824.5 ppm (average 1396.42 ppm). The REEs from manganese deposits are characterized by La, Ce, Nd and Y enriched, and existing in the form of independent minerals (e.g., monazite and xenotime), indicating Zunyi manganese deposits enriched in light rare earth elements (LREE). The Ceanom ratios (average –0.13) and lithofacies and paleogeography characteristics indicate that Zunyi manganese deposits were formed in a weak oxidation‐reduction environment. The (La/Yb)ch, Y/Ho, (La/Nd)N, (Dy/Yb)N, Ce/Ce* and Eu/Eu* values of samples from the Zunyi manganese deposits are 5.53–56.92, 18–39, 1.42–3.15, 0.55–2.20, 0.21–1.76 and 0.48–0.86, respectively, indicating a hydrothermal origin for the manganese mineralization and REEs enrichment. The (δ13CV‐PDB (−0.54 to −18.1%) and (δ18OSMOW (21.6 to 26.0%) characteristics of manganese ores reveal a mixed source of magmatic and organic matter. Moreover, the manganese ore, tuffaceous clay rock and Emeishan basalt have extremely similar REE fractionation characteristic, suggesting REEs enrichment and manganese mineralization have been mainly origin from hydrothermal fluids.

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REE distribution in ferromanganese oxide ores from Iron Ore Group, Western Koira Valley, Orissa, India.

Cited by 5 publications

References 11 publications

Rare Earth Element Enrichment in Late Archean Manganese Deposits from the Iron Ore Group, East India

Rare Earth Element Enrichment in Late Archean Manganese Deposits from the Iron Ore Group, East India

Contrasting REE Signatures on Manganese Ores of Iron Ore Group in North Orissa, India

Genesis for Rare Earth Elements Enrichment in the Permian Manganese Deposits in Zunyi, Guizhou Province, SW China

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