	*Neiva, A.M.R. (2008) Geochemistry of cassiterite and wolframite from tin and tungsten quartz veins in Portugal. Ore Geology Reviews, 33 (3) 221-238 doi:10.1016/j.oregeorev.2006.05.013*	Journal (article/letter/editorial)
	wolframite from tin and tungsten quartz veins in Portugal A.M.R. Neiva ⁎ Department of Earth Sciences, University...University of Coimbra, 3000-272 Coimbra, Portugal Received 9 August 2005; accepted 29 May 2006 Available...Sn-bearing quartz veins in Northern and Central Portugal are compared to provide evidence on fluid compositions...Cassiterite; Columbite; Ixiolite; Rutile; Wolframite; Portugal; Ore-forming fluids 1. Introduction ⁎ Fax: +351...and central Portugal. The most intense period of exploitation of Sn and W deposits in Portugal took place
	*Neiva, A.M.R., Dodson, M.H., Rex, D.C., Guise, P.G. (1995) Radiometric constraints on hydrothermal circulation in cooling granite plutons. Mineralium Deposita, 30 (6) doi:10.1007/bf00196405*	Journal (article/letter/editorial)
	The Jales gold-quartz mineralisation, Northern Portugal A.M.R. Neiva 1, M.H. Dodson 2, D.C. Rex 2, P.G...Sciences, University of Coimbra, 3000 Coimbra, Portugal 2 Department of Earth Sciences, University of...mica R b - S r ages of 308.5 + 2.4 (la) M a (muscovite) and 294.5 _+ 1.1 M a (biotite). Alteration muscovites...a after the granite cooled t h r o u g h the muscovite R b - S r closure temperature, about 500~ and...the western part of the Hesperian Massif (Spain-Portugal), from which we infer much slower cooling rates
	*Evans, A. M. - Ed.* (1982) Metallization Associated with Acid Magmatism - Mineralization Associated with Acid Magmatism No. 6. Wiley-Interscience, Chichester.**	Book
	. . . . . . J.M. Moore 229 Geochemistry of Muscovite and some Physico-chemical Conditions of the Formation...Formation of some Tin-tungsten Deposits in Portugal . . . . . . . . . . . . . . . . . . . . . . . . ....Mineralization and Fluid Inclusion Study of the Yod Nam Tim Mine, Southern Thailand . . . . . . . . . . . . . . ...and Geology, University of Oporto, 4 000 Oporto, Portugal NEJVA D.l. NORMAN Department of Geoscience...granite outcrop and is composed of a biotite-muscovite granite with abundant large potash phenocrysts
	*Neiva, A.M.R. (1984) Geochemistry of tin-bearing granitic rocks. Chemical Geology, 43 (3) 241-256 doi:10.1016/0009-2541(84)90052-4*	Journal (article/letter/editorial)
	Geology, University of Coimbra, 3000 Coimbra (Portugal) (Received March 22, 1983; revised and accepted...primary albite and muscovite, and greisenized granites with metasomatic albite and muscovite. They have high...Ba and Sr contents. The Portuguese Sn-bearing muscovite granites, aplites, pegmatites and hypothermal...granites, aplites and pegmatites from AlijS--Sanfins, Portugal, obtained by the present author (Neiva, 1971)...considered the earliest Sn deposits from northern Portugal to be associated with harmonic granite differentiates
	*Eugster, Hans P. (1985) Granites and hydrothermal ore deposits: a geochemical framework. Mineralogical Magazine, 49 (350) 7-23 doi:10.1180/minmag.1985.049.350.02*	Journal (article/letter/editorial)
	on one hand and feldsparmuscovite or biotite-muscovite conversion on the other. In carbonate rocks, evaporite-related...buffers in solubility studies on minerals such as muscovite-K-spar (Gunter and Eugster, 1980), wollastonite...after visits to the Sn-W mines of SE China and NE Portugal and the realization that the techniques used for...(1981) in Tasmania, of Kelly and Rye (1979) in Portugal, of Kelly and Turneaure (1970) and Sillitoe et...principally in biotite, ilmenite, and feldspars. Muscovite is present in some granites, as well as in the

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Muscovite from Vinheiros Mine, Souto Maior, Sabrosa, Vila Real, Portugal

Muscovite from
Vinheiros Mine, Souto Maior, Sabrosa, Vila Real, Portugal