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Titanium-bearing Magnetite from Portugal

Portugal
 
  • Azores
Woolley, Alan R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe (excluding the former USSR), Australasia and Oceanic Islands. The Geological Society of London. doi:10.1144/mpar4
Larrea, P., França, Z., Widom, E., & Lago, M. (2018). Petrology of the Azores Islands. In Volcanoes of the Azores (pp. 197-249). Springer, Berlin, Heidelberg.
Gaspar, J. L., Guest, J. E., Duncan, A. M., Barriga, F. J. A. S., & Chester, D. K. (Eds.). (2015, October). Volcanic Geology of SĂŁo Miguel Island (Azores Archipelago). Geological Society of London, 44. doi.org/10.1144/M44.1
Elliott, T., Blichert-Toft, J., Heumann, A., Koetsier, G., & Forjaz, V. (2007). The origin of enriched mantle beneath SĂŁo Miguel, Azores. Geochimica et Cosmochimica Acta, 71(1), 219-240. doi.org/10.1016/j.gca.2006.07.043
Beier, C., Haase, K. M., & Hansteen, T. H. (2006). Magma evolution of the Sete Cidades volcano, SĂŁo Miguel, Azores. Journal of Petrology, 47(7), 1375-1411. doi.org/10.1093/petrology/egl014
Snyder, D. C., Widom, E., Pietruszka, A. J., & Carlson, R. W. (2004). The role of open-system processes in the development of silicic magma chambers: a chemical and isotopic investigation of the Fogo A trachyte deposit, SĂŁo Miguel, Azores. Journal of Petrology, 45(4), 723-738. doi.org/10.1093/petrology/egg104
Ridolfi, F., Renzulli, A., Santi, P., & Upton, B. G. J. (2003). Evolutionary stages of crystallization of weakly peralkaline syenites: evidence from ejecta in the plinian deposits of Agua de Pau volcano (SĂŁo Miguel, Azores Islands). Mineralogical Magazine, 67(4), 749-767. doi.org/10.1180/0026461036740131
Renzulli, A., & Santi, P. (2000). Two-stage fractionation history of the alkali basalt-trachyte series of Sete Cidades volcano (SĂŁo Miguel Island, Azores). European Journal of Mineralogy, 12(2), 469-494.
Mattiolil, M., Upton, B. G. J., & Renzulli, A. (1997). Sub-volcanic crystallization at Sete Cidades volcano, SĂŁo Miguel, Azores, inferred from mafic and ultramafic plutonic nodules. Mineralogy and Petrology, 60(1-2), 1-26. doi.org/10.1007/BF01163132
Widom, E., Carlson, R. W., Gill, J. B., & Schmincke, H. U. (1997). Th–Sr–Nd–Pb isotope and trace element evidence for the origin of the Sao Miguel, Azores, enriched mantle source. Chemical Geology, 140(1-2), 49-68. doi.org/10.1016/S0009-2541(97)00041-7
    • Terceira
      • Angra do HeroĂ­smo
Jeffery, A.J., Gertisser, R., Jackson, R.A., O'Driscoll, B., Kronz, A. (2016): PREPUBLICATION: On the compositional variability of dalyite, K2ZrSi6O15: a new occurrence from Terceira, Azores. Mineralogical Magazine, Prepublication, 39 pp. (available on line since January 1, 2016).
  • Lisbon
    • Sintra
Grange, M., Scharer, U., Merle, R., Girardeau, J., & Cornen, G. (2010). Plume–lithosphere interaction during migration of Cretaceous alkaline magmatism in SW Portugal: evidence from U–Pb ages and Pb–Sr–Hf isotopes. Journal of Petrology, 51(5), 1143-1170.
Le Maitre, R. W. - Ed. (2002) Igneous Rocks - A Classification and Glossary of Terms (2nd ed.) Cambridge University Press. doi:10.1017/cbo9780511535581
Macintyre, R. M., & Berger, G. W. (1982). A note on the geochronology of the Iberian Alkaline Province. Lithos, 15(2), 133-136.
Sparks, R. S. J., & Wadge, G. (1975). Geological and geochemical studies of the Sintra alkaline igneous complex, Portugal. Bulletin Volcanologique, 39(3), 385-406.
Wright, J. B. (1968). Re-interpretation of a mixed petrographic province—The Sintra intrusive complex (Portugal) and related rocks. Geologische Rundschau, 58(2), 538-564.
KlĂŒgel, A., Schwarz, S., van den Bogaard, P., Hoernle, K. A., Wohlgemuth-Ueberwasser, C. C., & Köster, J. J. (2009). Structure and evolution of the volcanic rift zone at Ponta de SĂŁo Lourenço, eastern Madeira. Bulletin of Volcanology, 71(6), 671-685. doi.org/10.1007/s00445-008-0253-7
Geldmacher, J., Hoernle, K., KlĂŒgel, A., van den Bogaard, P., & Duggen, S. (2006). A geochemical transect across a heterogeneous mantle upwelling: implications for the evolution of the Madeira hotspot in space and time. Lithos, 90(1-2), 131-144. doi.org/10.1016/j.lithos.2006.02.004
Schwarz, S., KlĂŒgel, A., van den Bogaard, P., & Geldmacher, J. (2005). Internal structure and evolution of a volcanic rift system in the eastern North Atlantic: the Desertas rift zone, Madeira archipelago. Journal of volcanology and geothermal research, 141(1-2), 123-155. doi.org/10.1016/j.jvolgeores.2004.10.002
Schwarz, S., KlĂŒgel, A., & Wohlgemuth-Ueberwasser, C. (2004). Melt extraction pathways and stagnation depths beneath the Madeira and Desertas rift zones (NE Atlantic) inferred from barometric studies. Contributions to Mineralogy and Petrology, 147(2), 228-240. doi.org/10.1007/s00410-004-0556-4
Geldmacher, J., & Hoernle, K. (2000). The 72 Ma geochemical evolution of the Madeira hotspot (eastern North Atlantic): recycling of Paleozoic (≀ 500 Ma) oceanic lithosphere. Earth and Planetary Science Letters, 183(1-2), 73-92. doi.org/10.1016/S0012-821X(00)00266-1
Mata, J., Kerrich, R., MacRae, N. D., & Wu, T. W. (1998). Elemental and isotopic (Sr, Nd, and Pb) characteristics of Madeira Island basalts: evidence for a composite HIMU-EM I plume fertilizing lithosphere. Canadian Journal of Earth Sciences, 35(9), 980-997. doi.org/10.1139/e98-046
Munha, J., Palacios, T., MacRae, N. D., & Mata, J. (1990). Petrology of ultramafic xenoliths from Madeira Island. Geological Magazine, 127(6), 543-566. doi.org/10.1017/S0016756800015442
Feraud, G., Gastaud, J., Schmincke, H. U., Pritchard, G., Lietz, J., & Bleil, U. (1981). New K-Ar ages, chemical analyses and magnetic data of rocks from the islands of Santa Maria (Azores), Porto Santo and Madeira (Madeira Archipelago) and Gran Canaria (Canary Islands). Bulletin volcanologique, 44(3), 359-375. doi.org/10.1007/BF02600570
Aires-Barros, L., Matias, M. J., & Miranda, A. M. (1974). Preliminary note on the petrology of Madeira Island. Boletim do Museu e Laboratorio Mineralogico e Geologico da Faculdade de Ciencias, Lisboa, 14, 5-27.
Hughes, D. J., & Brown, G. C. (1972). Basalts from Madeira: a petrochemical contribution to the genesis of oceanic alkali rock series. Contributions to Mineralogy and Petrology, 37(2), 91-109. doi.org/10.1007/BF00371069
  • Portalegre
    • Alter do ChĂŁo
Dias, P. S. A., Gomes, C. L., Castelo Branco, J. M., & Pinto, Z. (2006). Localização paragenĂ©tica de palĂĄdio e platina em rochas mĂĄficas e ultramĂĄficas de Cabeço de Vide–Complexo Ígneo de Alter do ChĂŁo.
 
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