[PDF] Top 20 Braz. J. Geol. vol.45 número4

... Tenho muita fé num futuro realizado e satisfatório para a nossa revista no plano internacional, e tenho a certeza que os nossos colegas da geologia brasileira, tanto acadêmicos como pro[r] ... See full document

... In the central‑north sector, the presence of a muddy deposit is still observed up to the 40 m water depth; how‑ ever, mud content is lower (45–50%) when compared with the southern sector (Fig. 4). Clay content did ... See full document

... Volume 45(4) will be avai- lable on the websites of the journal and SciELO well before the end of December, and therefore it brings only seven articles, less than its normal average ... See full document

... hey are present in the rocks of the aulacogen sub- strate, where they truncate deformation structures older than 1.8 Ga in Lagoa Real Intrusive Suite and in Proterozoic units (Cruz &am[r] ... See full document

... For samples of the garnet-cordierite diatexite, it is considered that garnet, cordierite, sillimanite, biotite, orthoclase, plagioclase and quartz are the paragen- esis of the metamorp[r] ... See full document

... In this paper we present new petrographic, geochemical and geochronological (U-Pb and Sm-Nd) data for the Pedra do Gavião A-type syenogranite located in the Amazonas state, in order t[r] ... See full document

... he antecryst microtextures, such as zoned clinopyroxene megacrysts (augite cores and titanaugite rims) with partly corrod‑ ed cores, olivine crystals with corroded rims surrounded by b[r] ... See full document

... he Paraguay River lows from north to south, and is cha- racterized by intricate morphology of contrasting river plain styles from its entrance into the basin and throughout the alluvia[r] ... See full document

... Manuscript ID: 30305. Received: 04/12/2015. Approved: 05/18/2015. ABSTRACT: he Fernando de Noronha Archipelago presents, on its main island, a centrally-located stratigraphic unit, the Remédios Formation (age around 8 – ... See full document

... Sr and Nd isotopic data available for the Urucum suite granitoids are similar to those obtained for syn-collisional granites (suite G 2 of Pedrosa-Soares & Wiedemann-Leonardos 20[r] ... See full document

... Of the nearly 5,000 known mineral species, only 65 were irst described from Brazil, that is, the type minerals from Brazil (Table 1).. Nineteen of these were published between 1789 and[r] ... See full document

... Diferently from the Shikaoda Formation, the eolian sand sheet succession of the Bandeirinha Formation does not have subaqueous deposits, mud cracks or adhesion structures that may ind[r] ... See full document

... In the irst article “Unusual thick eolian sand sheet sedimentary succession: Paleoproterozoic Bandeirinha Formation, Minas Gerais”, Fábio Simplício and Giorgio Basilici deal with an eol[r] ... See full document

... From this premise, a meta‑ultramaf‑ ic‑maic‑sedimentary complex (Cr‑rich magnesian schists — upper mantle or crustal ultramaic cumulate candidates; epidote amphi‑ bolites, metadiorites [r] ... See full document

... In this study, we reproduced the diage- netic reactions observed in the Snorre Field sandstones reser- voir, Norwegian North Sea using Geochemist’s Workbench (GWB) and TOUGHREACT softwa[r] ... See full document

... he sandy deposits are generally ine-grained and display tabular cross-stratiication (Facies Sp), climbing ripple cross-lamination (Facies Scc), sigmoidal cross-stratiication (Facies S[r] ... See full document

... Stabilized dunes formed with high RSL, similar to the present, and at coast lines close to the present ones are more or better exposed at the present coastal zone than dunes formed un[r] ... See full document

... he widespread mud laminae, which cover eolian sand deposits at the central and south sand sheet parts and are a recurrent sedimentary feature in stratigraphic section, are an importan[r] ... See full document

... Finalmente, a terceira grande vantagem como integrante da coleção SciELO será a utilização do sistema editorial ScholarOne que pertence à homsonReuters, o mais utilizado e mais completo[r] ... See full document

... By decision of the Brazilian SciELO Consultative Committee, as already stated in our editorial in edition 44(3), the Brazilian Journal of Geology (BJG) was deemed competent to be part o[r] ... See full document