 | | 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) | | 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 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) |  | | 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...evolved peralkaline granites from the Morro Redondo Complex, south Brazil. It occurs with quartz, alkali feldspar...solution, peralkaline granite, Graciosa Province, Brazil Introduction TURKESTANITE, first described by Ginzburg...(Kyrgystan) and Dara-i-Pioz (Tadzhikistan) Alkaline Complex, associated with aegirine, hedenbergite, albite |  | | Report (issue) | | 02(Si2O7)2(O1.24F0.76)Σ=2.00F2. (3) Morro Redondo Complex, Brazil; electron microprobe analysis; average...oversaturated peralkaline granites. Association: Arfvedsonite, sodalite, eudialyte, villiaumite, microcline...quartz, microcline, albite, arfvedsonite, aegirine (Morro Redondo Complex, Brazil). Distribution: Found in...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 |  | | Journal (article/letter/editorial) | | electron microprobe at the Inter-Institute Analytical Complex at the Institute of Geochemistry, Mineralogy and...tuhualite in a vesicle (Fig. 2B) are closest to arfvedsonite in composition, but the absence of Fe3þ/Fe2þ...be approximated by arfvedsonite. The relationship tuhualite-aegirine-arfvedsonite could be described...Fe4 ÞSi8 O22 ðOHÞ2 arfvedsonite þ 6SiO2 þ 0:5O2 : This suggests that arfvedsonite would be favoured...there but was trapped and caused the staining. How do the formation conditions of tuhualite in the Green |  | | 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 |
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