Geochemistry of granitic aplite-pegmatite dykes and sills and their minerals from the Gravanho-Gouveia area in Central Portugal

Two distinct series of Variscan granitic rocks have been distinguished in the Gravanho-Gouveia area of Portugal, based on field work, variation diagrams for major and trace elements, rare earth patterns and δ18O versus total FeO diagram of rocks, anorthite content of plagioclase, BaO and P2O5 conten...

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Bibliographic Details
Main Author: Neiva, Ana Margarida Ribeiro (author)
Other Authors: Gomes, C. Leal (author), Silva, Paulo Bravo (author), Gomes, Maria Elisa Preto (author), Santos, António Carlos Tavares dos (author)
Format: article
Language:eng
Published: 2019
Subjects:
Variscan granites
Pegmatites
Feldspars
Micas
Fractionation series
Cassiterite
Hydrothermal fluids
Science & Technology
Online Access:http://hdl.handle.net/1822/73014
Country:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/73014

Internet

http://hdl.handle.net/1822/73014

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