...M. E. P. Gomes; A. M. R. Neiva Abstract The tin-bearing muscovite granite from Ervedosa contains unzoned primary muscovite. This Hercynian S-type granite was hydrothermally altered at the stanniferous quartz vein walls and contains three types of muscovite: (1) very small unzoned muscovite...

.... ( 2000 ) Phase transitions in tridymite studied using ‘Rigid Unit Mode’ theory, Reverse Monte Carlo methods and molecular dynamics simulations . Mineral. Mag ., 64 , 267 – 83 . Gomes , M.E.P. and Neiva , A.M.R. ( 2000 ) Chemical zoning of muscovite from the Ervedosa granite, northern...

... from the Ervedosa granite, northern Portugal . Mineral. Mag . 64 , 347 – 358 . Green , T.H. ( 1981 ): Synthetic high-pressure micas compositionally intermediate between the dioctahedral and trioctahedral mica series . Contrib. Mineral. Petrol . 78 , 452 – 458 . Halter , W.E...

... images ( Fig. 4e ). The contact between core and rim is well defined and the thickness of rims ranges between 50 and 300 µm. Such pattern was already described in ongonites ( Dostal et al. , 2015 ) and in the hydrothermally altered Sn-bearing granite of Ervedosa (northern Portugal) ( Gomes and Neiva...

... state of columbite-group minerals in granitic pegmatites of the Pampean Ranges, Argentina . Can. Mineral ., 44 , 645 – 666 . Gomes , M.E.P. & Neiva , A.M.R. ( 2000 ): Chemical zoning of muscovite from the Ervedosa granite, northern Portugal . Mineral. Mag ., 64 , 347 – 358...

... investigated during Angola's colonial period ( Carvalho, 1961 ), except for a few works primarily concerned with stratigraphy and archeology ( Ervedosa, 1980 ; Giresse et al., 1984 ; Gutierrez et al., 2001 ). Additionally, early works were by Portuguese geologists and published in national journals, and thus...

...— Charles F. Gower, Thomas E. Krogh, and D.T. James 897 Tourmaline in petalite-subtype granitic pegmatites: Evidence of fractionation and contamination from Pakeagama Lake and Separation Lake areas of northwestern Ontario, Canada— A.G. Tindle, F.W. Breaks, and J.B. Selway 753 Bond-valence...

... ligands on granite dissolution in batch experiments at pH 6— Alexander Neaman, Jon Chorover, and Susan L. Brantley 451 Vol. 91, No. 7, 2006 The origin of jadeitite-forming subduction-zone fluids: CL-guided SIMS oxygen-isotope and trace-element evidence — Sorena Sorensen, George E...