[PDF] Top 20 Braz. J. Geol. vol.45 número2

... No inal do mês de maio de 2015, as submissões do Brazilian Journal of Geology (BJG) serão disponibilizadas no site da revista ou no site do Scientiic Electronic Library Online (SciELO) [r] ... See full document

... Cratoavis nov. gen. is referred as Enantiornithes on the basis of the following synapomorphies (Carvalho et al. 2015): proximally forked and distally constricted pygostyle with a ventrolateral process, convex lateral ... See full document

... his structure is oblique in relation to the Carrapato and São Timóteo shear zones and was responsible for the thrusting of the units of the Caetité-Licínio de Almeida Metavolcanossedi[r] ... See full document

... LA-ICP-MS analyses were performed on diferent tex- tural types of hematite observed in the studied samples from the Esperança Deposit: granular hematite from DI (gHmA; Fig. 2D) and fro[r] ... See full document

... in terms of the geometry of the shallow carbonate banks. According to Bruhn et al. (2003), the Albian shoals have a thickness of 20 m and are elongated 1 km-wide and up to 2,5 km long. hese shoals are considered small ... See full document

... Villagra M.M., Matsumoto O.M., Bacchi O.O.S., Moraes S.O., Libardi P.L., Reichardt K. 1988. Tensiometria e varibilidade espacial em Terra Roxa Estruturada. Revista Brasileira de Ciência do Solo, 12:205-210. Williams ... 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

... 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

... he Brazilian Journal of Geology (BJG) is just starting to migrate from the Open Journal Systems (OJS) to the ScholarOne editorial system, as part of the Scientiic Electronic Library Onl[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

... 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

... 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

... 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

... 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

... here are: delta front facies association (FA1) com- posed of massive mudstone, sigmoidal, medium-grained sandstone with cross-bedding and massive conglomerate organized in coarse- ning-[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