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Granitic pegmatites as sources of strategic metals

Robert L. Linnen, Marieke van Lichtervelde and Petr Cerny
Granitic pegmatites as sources of strategic metals
Elements (August 2012) 8 (4): 275-280

Abstract

Rare-element granitic pegmatites are well recognized for the diversity and concentrations of metal ores that they host. The supply of some of these elements is of concern, and the European Commission recently designated metals such as tantalum and niobium as "critical materials" or "strategic resources." Field relationships, mineral chemistry, and experimental constraints indicate that these elements are concentrated dominantly by magmatic processes. The granitic melts involved in these processes are very unusual because they contain high concentrations of fluxing compounds, which play a key role at both the primary magmatic and metasomatic stages. In particular, the latter may involve highly fluxed melts rather than aqueous fluids.


ISSN: 1811-5209
Serial Title: Elements
Serial Volume: 8
Serial Issue: 4
Title: Granitic pegmatites as sources of strategic metals
Affiliation: University of Western Ontario, Department of Earth Sciences, London, ON, Canada
Pages: 275-280
Published: 201208
Text Language: English
Publisher: Mineralogical Society of America and Mineralogical Society of Great Britain and Ireland and Mineralogical Association of Canada and Geochemical Society and Clay Minerals Society, International
References: 27
Accession Number: 2012-090442
Categories: Igneous and metamorphic petrologyEconomic geology, geology of ore deposits
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
Secondary Affiliation: Geosciences Environnement Toulouse, FRA, FranceUniversity of Manitoba, CAN, Canada
Country of Publication: International
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, copyright, Mineralogical Society of America
Update Code: 201247
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