4th International Nuclear Chemistry Congress 14 – 19 September 2014, Maresias, São Paulo, Brazil Program Abstract Book Edited by Marina B. A. VASCONCELLOS MESSAGE FROM THE ORGANIZING COMMITTEE The Organizing Committee of the 4th International Nuclear Chemistry Congress-4th INCC 2014 would like to present its warmest welcome to all the participants who came to Maresias, São …

production of zircon concentrate, in the national market of heavy mineral sands, ilmenite and rutile concentrates are considered the main products. Indeed, in more recent data [

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Bernard-Griffiths et al. 1988;Belousova et al. 2002). In these rocks, negative Eu/Eu* is commonly attributed to either of two processes: (1) the extraction of divalent Eu (together with Y) via a ...

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In Brazil, heavy mineral sand deposits are still barely exploited, despite some references to Brazilian reserves and ilmenite concentrate production. The goal of this project is to characterize and investigate the potential recovery of heavy minerals from selected Brazilian placer occurrences. Two areas of the coastal region were chosen, in Piaui state and in Bahia Provinces.

The Chungju rare-earth element (REE) deposit is located in the central part of the Okcheon Metamorphic Belt (OMB) in the Southern Korean Peninsula and research on REE mineralization in the ...

The Goiás Magmatic Arc hosts several gold and copper-gold deposits, which were originated during several stages of the tectonic, magmatic and metamorphic evolution of this Neoproterozoic Arc ...

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In Brazil, heavy mineral sand deposits are still barely exploited, despite some references to Brazilian reserves and ilmenite concentrate production. The goal of this project is to characterize and investigate the potential recovery of heavy minerals from selected Brazilian placer occurrences. Two areas of the coastal region were chosen, in Piaui state and in Bahia Provinces. In all samples ...

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phases include staurolite, amphibole, epidote, kyanite, monazite, tourmaline, zircon and diamond as well. Electron micro probe analyses revealed that the ilmenites contain MgO (7.4-11.4 wt%) and Cr2O3 (0.0-2.9 wt%) contents similar to their counterparts of kimberlites from worldwide localities.

Samples MR-101B and MR-173 have kyanite, although they plot below the kyanite / sillimanite. line, indicating a meta-stable condition for that. mineral in the rock. It was probably formed under.

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