 | | Journal (article/letter/editorial) | | Graciosa A-type granites and syenites (southern Brazil) from zircon U-Pb geochronology, chemistry, and...Graciosa A-type granites and syenites (southern Brazil) from zircon U-Pb geochronology, chemistry, and...Graciosa A-type granites and syenites (southern Brazil) from zircon U-Pb geochronology, chemistry, and...Universidade Federal do Rio Grande do Norte, SC (1) Natal, RN 59078-970, Brazil. Department of Civil...author CE PT E-mail addresses: ED 05508-080, Brazil. frederico@geologia.ufrn.br (F.C.J. Vilalva) simonetti |  | | Journal (article/letter/editorial) | | peralkaline granites of the Morro Redondo Complex, Graciosa Province, south Brazil F. C. J. VILALVA* AND...São Paulo, Rua do Lago, 562, Cidade Universitária, 05508-080, São Paulo, SP, Brazil [Received 27 November...peralkaline granites from the Morro Redondo Complex, south Brazil. It occurs with quartz, alkali feldspar and...solution, peralkaline granite, Graciosa Province, Brazil Introduction TURKESTANITE, first described by Ginzburg...Alkaline Complex, associated with aegirine, hedenbergite, albite, microcline, fluorapatite and quartz (Pautov |  | | Journal (article/letter/editorial) | | clinopyroxenes from A-type granites of the Papanduva Pluton, South Brazil: Insights into late- to post-magmatic...Ciências Exatas e da Terra, Universidade Federal do Rio Grande do Norte, Campus Universitário Lagoa Nova, Natal...Natal, RN 59078-970, Caixa Postal 1639, Brazil Departamento de Mineralogia e Geotectônica, Instituto de...de São Paulo, Rua do Lago, 562, Cidade Universitária, São Paulo, SP 05508-080, Brazil Department of Civil...in peralkaline granites of the Papanduva Pluton, Morro Redondo Complex, one of the most important granitic |  | | Journal (article/letter/editorial) | | PERALKALINE GRANITES FROM THE MORRO REDONDO COMPLEX, GRACIOSA PROVINCE, SOUTHERN BRAZIL: OCCURRENCE AND COMPOSITIONAL...Universidade de São Paulo, São Paulo SP 05508-080, Brazil Antonio SIMONETTI Department of Civil Engineering...peralkaline granites from the Morro Redondo Complex, Graciosa Province (Southern Brazil). Nacareniobsite-(Ce)...analysis, peralkaline granites, Morro Redondo Complex, Graciosa Province, Brazil Introduction Nacareniobsite-(Ce)...(1989) in lujavrites from the Ilímaussaq alkaline complex, South Greenland (see also Pekov & Ekimenkova 2001) |  | | Report (issue) | | 02(Si2O7)2(O1.24F0.76)Σ=2.00F2. (3) Morro Redondo Complex, Brazil; electron microprobe analysis; average...intrusion); quartz, microcline, albite, arfvedsonite, aegirine (Morro Redondo Complex, Brazil). Distribution:...Greenland. From the Papanduva Pluton, Morro Redondo Complex, Graciosa Province, Southern Brazil; the Mecsek Mountains...new mineral species from the Ilímaussaq alkaline complex, South Greenland, and its relation to mosandrite...peralkaline granites from the Morro Redondo Complex, Graciosa Province, Southern Brazil: occurrence and compositional |  | | Journal (article/letter/editorial) | | electron microprobe at the Inter-Institute Analytical Complex at the Institute of Geochemistry, Mineralogy and...vesicle is a thin coating of Fe ± Mn hydroxide? on quartz and feldspar. Type-2 layer is deep green, microvesicular...layers (Fig. 2A), carrying alkali feldspar and quartz with smaller amounts of hedenbergite and aenigmatite...Commonly the crystals have partial coatings of quartz-feldspar aggregates. Crystallization of glass in...simultaneous crystallization of alkali feldspar and quartz (or cristobalite) as intergrowths, along with lesser |  | | Book | | geology The Saint-Andre carbonatite complex The Oka carbonatite complex Mont Royal Mont Saint-Bruno (Montarville)...35 35 35 36 Geology of the Mont Saint-Hilaire pluton 36 Geology of the Poudrette quarry Miarolitic...fully understand the petrogenesis of the igneous complex. In nepheline syenite and sodalite syenite pegmatites...historical and collecting anecdotes and, for most species, do include compositional and other data. This section...interchangeably for the mountain, the alkaline complex, and the eponymous town situated at the foot and |
|
