Critical-metal mineralogy and ore genesis: contributions from the European Mineralogical Conference held in Rimini, September 2016

Bowles, John F. W.; Cook, Nigel J.; Sundblad, Krister; Deady, Eimear; Hughes, Hannah S.R.

doi:10.1180/minmag.2017.081.110

Cited by 3 publications

(2 citation statements)

References 19 publications

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“…Ger ma nium, along with Be, Bi, Co, Ga, Sc, W, V and REEs, is treated as a crit i cal or stra te gic ma te rial (Eu ro pean Com mis sion, 2017). In ter est ingly, Mg is included as one at the high est sup ply risk (Bowles et al, 2018). Even though the ap a tite-type struc ture is known to be ca pa ble of hold ing nu mer ous el e ments and their forms, data on the concen tra tions of many el e ments is scarce.…”

Section: Introductionmentioning

confidence: 99%

Unique trace element geochemistry of pyrometamorphic apatite-supergroup minerals: a case study of fluorellestadite from burnt coal (Poland) and shale (France) post-mining waste heaps, with emphasis on boron, germanium, aluminium and titanium

Kruszewski

SLÁMA²,

Deput

2023

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Section: Introductionmentioning

confidence: 99%

Unique trace element geochemistry of pyrometamorphic apatite-supergroup minerals: a case study of fluorellestadite from burnt coal (Poland) and shale (France) post-mining waste heaps, with emphasis on boron, germanium, aluminium and titanium

Kruszewski

SLÁMA²,

Deput

2023

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“…However, these contributions highlight the complexity of the ore forming minerals, with implications for processing, a key challenge in diversifying our range of mineable deposits. This thematic set is now the third compiled on Critical Metals in Mineralogical Magazine (see also Goodenough and Wall, 2016 and Bowles et al , 2018). Perhaps this is the start of a biennial Mineralogical Magazine tradition on such a subject?…”

mentioning

confidence: 99%

Critical metal mineralogy and ore genesis revisited: thematic set arising from the Third International Critical Metals Meeting, Edinburgh

Deady

Broom-Fendley

2020

MinMag

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Critical Metals Mineralization in the Late-Stage Intrusions of Salmi Batholith, Ladoga Karelia, Russia

Ivashchenko

2023

Minerals

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The paper reports the results of studies on critical metal mineralization genetically related to the late-stage intrusions of Salmi anorthosite-rapakivi granite batholith (SARGB) in the Riphean age. In, Bi, and Be mineralization in skarn-greisen deposits and occurrences at the SARGB endocontact, as well as REE and Nb-Ta mineralization in Li-F granites, understood as the late intrusive phases of the batholith, were studied. It is the first report on columbite-group minerals, as well as REE-Ta-Nb and REE mineralization in SARGB granites. Optical and scanning electron microscopy, EDS and LA ICP MS microanalysis, X-ray fluorescence spectrometry, Raman spectroscopy, and inductively coupled plasma mass spectrometry (ICP-MS) were used. The data obtained show that roquesite formation was mainly triggered by the decay of In-bearing solid sphalerite and chalcopyrite solutions. Zavaritskite, associated with unoxidized sulphides, was derived hypogenically and seldom occurs in ores. A helvine-group mineral association with zinc-enriched spinel (ZnO 22%–25%) seems to have been one of the factors preventing genthelvite formation. The Muzilampi, Hepaoja and Avtodor ore occurrences in Li-F granites display similar REE and Nb-Ta mineralization. They are associated with Y-fluorite and Li-siderophyllite, which contain exceptionally high Nb concentrations (0.25%–0.78%) in Muzilampi granites. Additionally, fluorite-1 is commonly overfilled (to >50%) with micron-sized synchisite and parisite inclusions. Columbite-tantalite-group minerals, present at all the occurrences studied, occur solely as ferricolumbites with a dominant Mn/(Mn+Fe) ratio of <0.2. Biotite and Li-siderophyllite, associated with columbite, have an extremely high iron index Fe/(Fe+Mg) > 0.9 approaching the maximum values (~1.0) in the most differentiated granites.

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Critical-metal mineralogy and ore genesis: contributions from the European Mineralogical Conference held in Rimini, September 2016

Cited by 3 publications

References 19 publications

Unique trace element geochemistry of pyrometamorphic apatite-supergroup minerals: a case study of fluorellestadite from burnt coal (Poland) and shale (France) post-mining waste heaps, with emphasis on boron, germanium, aluminium and titanium

Unique trace element geochemistry of pyrometamorphic apatite-supergroup minerals: a case study of fluorellestadite from burnt coal (Poland) and shale (France) post-mining waste heaps, with emphasis on boron, germanium, aluminium and titanium

Critical metal mineralogy and ore genesis revisited: thematic set arising from the Third International Critical Metals Meeting, Edinburgh

Critical Metals Mineralization in the Late-Stage Intrusions of Salmi Batholith, Ladoga Karelia, Russia

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