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Barroso-Alvão pegmatite field, Vila Real District, Portugal

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Name(s) in local language(s): Campo pegmatítico Barroso-Alvão, Distrito de Vila Real, Portugal
 
Numerous highly evolved aplite-pegmatite bodies, with spodumene or petalite as a dominant Li-mineral, discordantly cut meta-sediments.
Barren pegmatitic veins, pegmatitic veins with beryl, pegmatitic veins with cassiterite and pegmatitic veins with lithium minerals: spodumene, petalite and lepidolite.

Also extends into Braga District.

Mineral List

Mineral list contains entries from the region specified including sub-localities


56 entries listed. 32 valid minerals.

Localities in this Region

Portugal

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References

Can. Mineral. 30 (1992), 639-651.

Can. Mineral. 39 (2001), 729-746.

ALEXANDRE LIMA & ENCARNACIÓN RODA ROBLES ed (2007) GRANITIC PEGMATITES: THE STATE OF THE ART - FIELD TRIP GUIDEBOOK. MEMÓRIAS N. º 9, UNIV. DO PORTO, FACULDADE DE CIÊNCIAS, DEPARTAMENTO DE GEOLOGIA

Novák, M. et al. (2009): Ferronigerite with dominant substitution TiSn-1 in muscovite+chlorite aggregate from massive quartz nodule associated with a petalite-rich aplite-pegmatite of the Barroso-Alvão pegmatite field, Northern Portugal. N. Jb. Mineral. Abh. 186, 67-78.

Martins, T., Lima, A., Simmons, W.B. Falster, A.U. & Noronha, F. (2011): Geochemical fractionation of Nb-Ta oxides in Li-bearing pegmatites from the Barroso-Alvão pegmatite field, Northern Portugal. Canadian Mineralogist. 49, 777-791

Mineral and/or Locality  
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