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Journal of Hazardous Materials, ISSN 0304-3894, 03/2019, Volume 366, pp. 34 - 38
•A new sodium activated vermiculite was successful produced.•Two to the one-layer hydrate transition play a major role on Na activation process.•High thermal... 
Sodium activation | Like-xanthate | Adsorption | Copper | Vermiculite | ENVIRONMENTAL SCIENCES | SURFACE-AREA | ENGINEERING, ENVIRONMENTAL | XANTHATE
Journal Article
Journal of the Brazilian Chemical Society, ISSN 0103-5053, 08/2015, Volume 26, Issue 8, pp. 1664 - 1673
This study aims to determine the atomic ratio of O/C in an archaeological black earth (ABE) profile of the Ilha de Terra site, a region of Caxiuana in the Para... 
Condensed combustion | Pyrogenic carbon | O/C atomic ratio | Black earth | SOIL PROFILES | PARTICLES | condensed combustion | ORGANIC-MATTER | SITIO ILHA | STATE | pyrogenic carbon | IDENTIFICATION | MICROSCOPY | CHEMISTRY, MULTIDISCIPLINARY | TERRA | ANTHROSOLS | black earth | SETTLEMENT
Journal Article
Journal of Hazardous Materials, ISSN 0304-3894, 03/2019, Volume 366, p. 34
New sodium activated vermiculite was used as Cu.sup.2+ adsorbent on water simulating the composition of tailing dam of a copper mine in the north region of... 
Dams | Adsorption | Copper industry | Analysis | Vermiculite | Mineral industry | X-ray spectroscopy | Leaching | Mining industry | Production processes
Journal Article
Brazilian Journal of Geology, ISSN 2317-4889, 2014, Volume 44, Issue 1, pp. 105 - 120
Zircon from granites of the Jamon suite (JS), Serra dos Carajas suite (SCS) and Velho Guilherme suite (VGS) were studied by scanning electron microscope (SEM)... 
SEM techniques | Zr/Hf ratio | Granitic suites | Cassiterite | Zircon | MINERALIZED GRANITES | AUSTRALIA | IGNEOUS ZIRCON | A-TYPE GRANITES | cassiterite | U-PB | GEOSCIENCES, MULTIDISCIPLINARY | zircon | EASTERN | CHEMISTRY | granitic suites | PROVINCES | GEOCHEMISTRY | PB GEOCHRONOLOGY
Journal Article
Journal of South American Earth Sciences, ISSN 0895-9811, 07/2018, Volume 84, pp. 1 - 15
Zircons of rare metal specialized granites from five large Brazilian tin provinces were compared morphologically and chemically through backscattered electron... 
Tin granites | Amazonian craton | Hydrothermal alteration | SEM-EDS | Zircon | MINERALIZED GRANITES | ZR/HF RATIOS | A-TYPE GRANITES | PITINGA MINE | INDICATOR | MESOPROTEROZOIC RAPAKIVI GRANITES | GEOSCIENCES, MULTIDISCIPLINARY | GEOCHEMICAL CHARACTERISTICS | BATHOLITH | PB GEOCHRONOLOGY | Zirconium
Journal Article
Brazilian Journal of Geology, ISSN 2317-4889, 2013, Volume 43, Issue 1, pp. 2 - 15
The Paleoproterozoic Rio Branco stock intrudes the Archean Cruzadao biotite monzogranite. It occurs west of the Canaa dos Carajas city, close to the Sossego... 
A-type granites | Geochemistry | Rio Branco granite | Carajás Province | Magnetic susceptibility | GEOSCIENCES, MULTIDISCIPLINARY | geochemistry | magnetic susceptibility | Carajas Province
Journal Article
Journal of South American Earth Sciences, ISSN 0895-9811, 12/2016, Volume 72, pp. 95 - 114
Geological mapping of the Tucumã area has enabled the identification of dike swarms intruded into an Archean basement. The disposition of these dikes is... 
Magma mixing | Carajás province | Dikes | Bimodal magmatism | ZIRCON | PETROGENESIS | A-TYPE GRANITES | ROCKS | CRUSTAL EVOLUTION | REGION | TRACE-ELEMENT | GEOSCIENCES, MULTIDISCIPLINARY | DISCRIMINATION | AMAZONIAN CRATON | SM-ND | Carajas province | Porphyry | Magmatism | Earth | Geochronology | Analysis | Basalt | Mantle
Journal Article
Journal of South American Earth Sciences, ISSN 0895-9811, 10/2012, Volume 38, pp. 159 - 173
The Bom Jardim granite is located to the south of São Felix do Xingu town and is intrusive in the intermediate to felsic volcanic rocks of the Uatumã Group. It... 
A-type granites | Tin-specialized granites | Paleoproterozoic | Amazonian craton | Xingu region | ZIRCON | INDICATOR | METALLOGENY | BRAZIL | ORIGIN | GEOSCIENCES, MULTIDISCIPLINARY | DISCRIMINATION | CHEMISTRY | PROVINCE | PB GEOCHRONOLOGY | Sulfur compounds | Amphiboles | Fluorine compounds | Volcanic ash, tuff, etc | Cratons
Journal Article