PETROGRAPHIC AND LITHOGEOCHEMISTRY OF GRANITES AND ASSOCIATED DIATEXITES (WNW OF PORTUGAL)

• Published in: International Multidisciplinary Scientific GeoConference : SGEM Vol. 17; no. 1.1; pp. 417 - 424
• Main Authors: Teixeira, Daniel, Ribeiro, Maria dos Anjos, Martins, Helena C B
• Format: Conference Proceeding
• Language: English
• Published: Sofia Surveying Geology & Mining Ecology Management (SGEM) 01.01.2017
• Subjects: Abundance; Anisotropy; Apatite; Biological evolution; Biotite; Composition; Crystals; Earth; Earth science; Evolution; Extinction; Feldspars; Fractionation; Geochemistry; Greywacke; Hydroxides; Igneous rocks; Lithogeochemistry; Magma; Mica; Minerals; Muscovite; Needles; Orogeny; Oxides; Plagioclase; Potassium; Quartz; Rare earth elements; Rutile; Schist; Schists; Silica; Silicon dioxide; Sillimanite; Texture; Trace elements; Zircon; Portugal

The studed area, a WNE-ESE cross-section Espinho-Lobăo, is located is the westhern boundary of Central Iberian Zone and Ossa Morena Zone, near the NW cost line of Portugal. This is an axial sector of the Iberian Variscan Orogen from which several geodynamic interpretations have been proposed. The ai...