Search Results - "Rosière, A"
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Geochemistry of canga (ferricrete) and evolution of the weathering profile developed on itabirite and iron ore in the Quadrilátero Ferrífero, Minas Gerais, Brazil
Published in Mineralium deposita (01-10-2019)“…Mineralogical and whole rock geochemical analyses for 60 elements on 31 samples of hard ferruginous crust (canga) provide insights into the evolution of the…”
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Eoarchean to Neoproterozoic crustal evolution of the Mantiqueira and the Juiz de Fora Complexes, SE Brazil: Petrology, geochemistry, zircon U-Pb geochronology and Lu-Hf isotopes
Published in Precambrian research (01-04-2019)“…[Display omitted] •P-T conditions of 650–730 °C/5.8–9.1 kbar from the MQC and 680–770 °C/6.0–7.7 kbar from the JFC.•The 2.67–2.61 Ga magma of the MQC sourced…”
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Reply to ‘The complex tale of Mantiqueira and Juiz de Fora: A comment on “Eoarchean to Neoproterozoic crustal evolution of the Mantiqueira and the Juiz de Fora Complexes, SE Brazil: Petrology, geochemistry, zircon U-Pb geochronology and Lu-Hf isotopes”’ by K. Cutts and C. Lana
Published in Precambrian research (01-07-2021)Get full text
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Temperature-controlled ore evolution in orogenic gold systems related to synchronous granitic magmatism; an example from the Iron Quadrangle Province, Brazil
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-06-2021)“…Against the background of an ongoing debate on the genetic relationship between orogenic gold and granitic magmatism, we studied the evolution of a…”
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Post‐Great Oxidation Event Orosirian–Statherian iron formations on the São Francisco craton: Geotectonic implications
Published in The island arc (01-07-2019)“…The protocratonic core of the São Francisco craton assembled during the 2.1–2.0 Ga Transamazonian orogeny. Orosirian Fe‐rich sequences that extend from the…”
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Iron isotope and REE+Y composition of the Cauê banded iron formation and related iron ores of the Quadrilátero Ferrífero, Brazil
Published in Mineralium deposita (01-02-2017)“…The Minas Supergroup banded iron formations (BIFs) of the Brazilian Quadrilátero Ferrífero (QF) mineral province experienced multiple deformational events…”
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Using oxygen isotope chemistry to track hydrothermal processes and fluid sources in itabirite-hosted iron ore deposits in the Quadrilátero Ferrífero, Minas Gerais, Brazil
Published in Mineralium deposita (01-03-2014)“…The Quadrilátero Ferrífero, Brazil, is presently the largest accumulation of single itabirite-hosted iron ore bodies worldwide. Detailed petrography of…”
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Surgery for massive splenomegaly
Published in BJS open (01-02-2017)“…Splenectomy for massive splenomegaly (spleen weight more than 1·5 kg) is commonly believed to be hazardous and to provide poor palliation. The aim of this…”
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The Rationale for performing MR Imaging before Surgery for Primary Hyperparathyroidism
Published in Acta chirurgica belgica (01-03-2013)“…Objective : The purpose of this study was to evaluate prospectively Magnetic Resonance Imaging (MRI) for the preoperative localization of hyperfunctioning…”
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Size and geometry of hepatic radiofrequency lesions
Published in European journal of surgical oncology (01-12-2003)“…Aim: To report and compare the size and geometry of hepatic radiofrequency (RF) lesions using the currently available commercial devices. Methods: A literature…”
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The origin of coexisting carbonates in banded iron formations: A micro-mineralogical study of the 2.4Ga Itabira Group, Brazil
Published in Precambrian research (01-01-2013)“…► We studied coexisting carbonate and iron oxides from BIFs at 2.4Ga. ► We established a primary oxidising and mixed marine-hydrothermal environment. ►…”
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Diabetes Mellitus as a Primary Manifestation of Multiple Endocrine Neoplasia Type 2B
Published in Acta chirurgica belgica (01-11-2008)“…A 22-year-old-man presenting with diabetes mellitus was found to suffer from multiple endocrine neoplasia type 2B (MEN B). The characteristic phenotype…”
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Trace elements and isotope geochemistry (C, O, Fe, Cr) of the Cauê iron formation, Quadrilátero Ferrífero, Brazil: Evidence for widespread microbial dissimilatory iron reduction at the Archean/Paleoproterozoic transition
Published in Precambrian research (01-09-2017)“…[Display omitted] •Geochemistry and C, O, Fe, Cr isotopes of the Cauê BIF, Quadrilátero Ferrífero.•Negative δ13C and positive δ56Fe suggest microbial…”
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Iron oxide mineralization at the contact zone between phyllite and itabirite of the Pau Branco Deposit, Quadrilatero Ferrifero, Brazil; implications for fluid-rock interaction during iron ore formation
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-06-2017)“…This study examines the whole-rock geochemistry and laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) iron oxide chemistry of itabirite…”
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The Serra Pelada Au-Pd-Pt deposit, Carajas, Brazil; geochemistry, mineralogy, and zoning of hydrothermal alteration
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-11-2014)“…The Serra Pelada Au-Pd-Pt deposit is located within the Carajas mineral province, which also hosts the world-class iron ore and iron oxide-hosted copper-gold…”
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Crystallographic and magnetic preferred orientation of hematite in banded iron ores
Published in Journal of structural geology (01-11-2000)“…The crystallographic preferred orientation of hematite in banded iron ores and the orientation of both the measured and the calculated principal susceptibility…”
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Magnetostratigraphy and mid-palaeolatitude VGP dispersion during the Permo-Carboniferous Superchron: results from Paraná Basin (Southern Brazil) rhythmites
Published in Geophysical journal international (01-12-2012)“…Summary A detailed magnetostratigraphic and rock-magnetism study of two Late Palaeozoic rhythmite exposures (Itu and Rio do Sul) from the Itararé Group (Paraná…”
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Making Surgical Care Safer: A Survey on the Implementation of the Checklist by Belgian Surgeons
Published in Acta chirurgica belgica (01-09-2015)“…Background : The operating theatre (OT) is a complex environment. The purpose of this survey was to evaluate the implementation of the surgical checklist (SC)…”
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Misleading Diagnosis of Renal Artery Stenosis by Magnetic Resonance Angiography in a Patient with Primary Aldosteronism
Published in Acta chirurgica belgica (01-07-2012)“…A 24-year-old woman presented with severe hypertension. A diagnostic evaluation for secondary hypertension was undertaken. A duplex ultrasonography followed by…”
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Occurrence of thyroid papillary carcinoma in young patients. A Chernobyl connection?
Published in Journal of pediatric endocrinology & metabolism : JPEM (01-05-2001)“…The risk of thyroid papillary carcinoma is increased by external radiation particularly in children under 15 years of age as shown by a marked increase in…”
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