 | Valle Aguado, B., Azevedo, M.R., Schaltegger, U., MartĂnez CatalĂĄn, J.R., Nolan, J. (2005) UâPb zircon and monazite geochronology of Variscan magmatism related to syn-convergence extension in Central Northern Portugal. Lithos, 82 (1) 169-184 doi:10.1016/j.lithos.2004.12.012 | Journal (article/letter/editorial) | | syn-convergence extension in Central Northern Portugal B. Valle Aguadoa,*, M.R. Azevedoa, U. Schalteggerb...GeocieÌncias, Universidade de Aveiro, 3810-193 Aveiro, Portugal Department of Mineralogy, University of Geneva...metamorphic data from the Viseu area (Northern Portugal) to model the geodynamic scenario in this sector...JPCSZâJuzbadoâPenalva do Castelo Shear Zone; PTSZâ PortoâTomar Shear Zone. B. Valle Aguado et al. / Lithos...two major metamorphic complexes (Fig. 2): a) the PortoâSaÌtaÌo Syncline, produced by the first Hercynian |  | | Journal (article/letter/editorial) | | THE KAOLIN DEPOSIT OF SAO VICENTE DE PEREIRA, PORTUGAL lULTU BOBOS 1, JOELLE DUPLAY 2 , JOAO ROCHA 3...Geosciences, University of Aveiro, 3810-Aveiro, Portugal Centre de Geochemie de la Surface, Universite...Chemistry, University of Aveiro, 3810-Aveiro, Portugal Abstract-The transformation of kaolinite to halloysite-7...Rolling and Folding, Surface Reaction Control, Portugal. INTRODUCTION Kaolinite, one of the most abundant...geological profile in the kaolin deposit of SVP from Portugal. The present contribution reports the transformation |  | | Journal (article/letter/editorial) | | Lisboa), EdifĂcio C6, Campo Grande, 1749-016 Lisboa, Portugal; jpcascalho@ciencias.ulisboa.pt Received: 27 February...collected from three distinct areas of this margin: the Porto, Aveiro, and NazarĂ© canyon head areas. The main...amphibole, andalusite, tourmaline, biotite, garnet, staurolite, pyroxene, zircon, and apatite. The felsic igneous..., enstatite-ferrosilite, and forsterite in the Porto and Aveiro areas (minerals identified by electronic... tourmaline, apatite, amphibole, garnet, and staurolite are referred on those works as the main transparent |  | | Journal (article/letter/editorial) | | unconsolidated sands. Commonly associated minerals include staurolite, kyanite, andalusite, sillimanite, chlorite,...dodecahedral garnet crystals associated with staurolite can be collected at Greenâs farm (the old Roxbury...almandine dodecahedra and trapezohedra to 1 cm and staurolite crystals attractively grouped on schist matrix...garnet-staurolite schist, have been dug by collecting groups in recent years. Associated staurolite is often...cm associated with staurolite occur in schist at Espinho, Porto district, Portugal. Good, though relatively |  | Marques de SĂĄ, C., Noronha, F., Cardellach, E., Bobos, I. (2019) Fluid inclusion and (S, C, O, Pb) isotope study of Pb-Zn-(Cu-Ag) hydrothermal veins from Central and Northern Portugal â Metallogenic implications. Ore Geology Reviews, 112. 103043 doi:10.1016/j.oregeorev.2019.103043 | Journal (article/letter/editorial) | | Pb-Zn-(Cu-Ag) Hydrothermal Veins from Central and Northern Portugal â Metallogenic Implications C. Marques de SĂĄ,...Pb-Zn-(Cu-Ag) Hydrothermal Veins from Central and Northern Portugal â Metallogenic Implications, Ore Geology Reviews...Pb-Zn-(Cu-Ag) Hydrothermal Veins from Central and Northern Portugal â Metallogenic Implications de Geologia e PĂłs-Graduação...UFS-DGEOL-PGAB, Brazil de CiĂȘncias da Terra â Polo Porto, DGAOT, Faculdade de CiĂȘncias, O (b)Instituto...Spain E- (c)Departament PR Universidade do Porto, Portugal Email: dingesster@gmail.com, PR *Corresponding |  | | Journal (article/letter/editorial) | | alluvial to nearshore marine sediments from Central Portugal: Facies related trends Pedro A. Dinis â, AntĂłnio...Coimbra, Largo Marques de Pombal, 3000-272 Coimbra, Portugal Received 17 July 2006; received in revised form...dominated by tourmaline, andalusite, zircon and staurolite. However, it is still possible to recognize two...It is characterized by a vertical increase in staurolite and andalusite proportions coincident with prograding...is to relate variations in stable (andalusite, staurolite, sillimanite, kyanite, garnet and mica) and ultrastable |  | | Book (volume) | | Madrid, Spain JosĂ© TomĂĄs Oliveira LNEG Amadora, Portugal ISSN 2364-6438 ISSN 2364-6446 (electronic) Regional...by Late Triassic red beds, Telheiro beach, SW Portugal. Photographed with a drone by JC Kullberg This...Energia e Geologia, former Geological Survey of Portugal, where he acted also as head of the departments...concentrated in regional geological mapping in Portugal and Mozambique, with particular interest in stratigraphy...and basin analysis. Professor at universities of Portugal and Angola, author and editor of several geological |  | | Book | | Rua da Escola PoliteÌcnica, 58, 1250-102 Lisboa, Portugal A. CARTER Research School of Earth Sciences, University...HidrograÌfico, Rua das Trinas, 49, 1249-093 Lisboa, Portugal O.E. FRIHY Coastal Research Institute, 15 El Pharaana...his Ph.D. work, the writer found two grains of staurolite in a thin section of an upper Derrylea turbidite... the thin section was lost, nobody could ïŹnd staurolite in thin sections of Derrylea turbidites, and...identiïŹed some other (unspeciïŹed) mineral as staurolite, much in the same way as prehnite and lawsonite |  | | Report (issue) | | compressive evolution of the Algarve margin (southern Portugal), 111 F.C. Lopes and P.P. Cunha Late Cenozoic...strike-slip faulting along the PortoâCoimbraâ Tomar fault zone (northern Portugal), 137 A. Gomes, H.I. ChaminĂ©...Provenance of Quaternary sands in the Algarve (Portugal) revealed by UâPb ages of detrital zircon, 327...Rossi Floodplain sediments of the Tagus River, Portugal: assessing avulsion, channel migration and human...forum, and the meeting being held in Coimbra, Portugal, in September 2004 was in the right place (close |
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Espinho, Porto, Portugal