Search Results - "Didier Béziat"

Alkali pyroxenes and amphiboles: a window on rare earth elements and other high field strength elements behavior through the magmatic-hydrothermal transition of peralkaline granitic systems by Bernard, Cyrielle, Estrade, Guillaume, Salvi, Stefano, Béziat, Didier, Smith, Martin

“…Peralkaline granites and pegmatites are a prime repository of REE and HFSE, critical raw materials. Although it is accepted that magmatic processes are…”
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Mica trace-element signatures: Highlighting superimposed W-Sn mineralizations and fluid sources by Monnier, Loïs, Salvi, Stefano, Melleton, Jérémie, Lach, Philippe, Pochon, Anthony, Bailly, Laurent, Béziat, Didier, De Parseval, Philippe

“…In the Echassières district of the French Massif Central, occur several outstanding magmatic/hydrothermal systems enriched in strategic metals, such as the…”
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REE and HFSE mineralization in peralkaline granites of the Ambohimirahavavy alkaline complex, Ampasindava peninsula, Madagascar by Estrade, Guillaume, Salvi, Stefano, Béziat, Didier, Rakotovao, Soatsitohaina, Rakotondrazafy, Raymond

“…•Rare metals are hosted in granitic dykes emplaced in the rims of the complex.•Granites are ferroan and have a peralkaline affinity.•Mineralization is agpaitic…”
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Antimony in quartz as a vector to mineralization: A statistical approach from five Variscan Sb occurrences (France) by Monnier, Loïs, Salvi, Stefano, Pochon, Anthony, Melleton, Jérémie, Béziat, Didier, Lach, Philippe, Bailly, Laurent

“…Using in-situ LA-ICP-MS, the trace-element composition of hydrothermal quartz from five Sb mineralized Variscan districts, from different parts of France, were…”
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Unusual evolution of silica-under- and -oversaturated alkaline rocks in the Cenozoic Ambohimirahavavy Complex (Madagascar): Mineralogical and geochemical evidence by Estrade, Guillaume, Béziat, Didier, Salvi, Stefano, Tiepolo, Massimo, Paquette, Jean-Louis, Rakotovao, Soatsitohaina

“…The almost unknown Ambohimirahavavy ring complex in the Cenozoic alkaline province of northwestern Madagascar has recently attracted considerable interest…”
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Geology and geochemistry of the shear-hosted Julie gold deposit, NW Ghana by Amponsah, Prince Ofori, Salvi, Stefano, Béziat, Didier, Siebenaller, Luc, Baratoux, Lenka, Jessell, Mark W.

“…The Leo Man Craton in West Africa is host to numerous economic gold deposits. If some regions, such as the SW of Ghana, are well known for world-class…”
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Formation and deformation of pyrite and implications for gold mineralization in the El Callao District, Venezuela by Velásquez, German, Béziat, Didier, Salvi, Stefano, Siebenaller, Luc, Borisova, Anastassia Y, Pokrovski, Gleb S, de Parseval, Philippe

“…The El Callao mining district is the most important gold-producing region in Venezuela. It is hosted in the Paleoproterozoic Guasipati-El Callao greenstone…”
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The origin of skarn-hosted rare-metal mineralization in the Ambohimirahavavy alkaline complex, Madagascar by Estrade, Guillaume, Salvi, Stefano, Béziat, Didier, Williams-Jones, Anthony E

“…The Cenozoic Ambohimirahavavy alkaline complex in Madagascar consists of several syenitic to granitic intrusions (24.2±0.6 Ma) the largest of which, the…”
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Multiple Generations of Wolframite Mineralization in the Echassieres District (Massif Central, France) by Loïs Monnier, Stefano Salvi, Jérémie Melleton, Laurent Bailly, Didier Béziat, Philippe de Parseval, Sophie Gouy, Philippe Lach

“…The Echassières district in central France contains complex rare-element ore deposits, whose formation is related to exotic igneous events and several…”
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Northern Puna Plateau-scale survey of Li brine-type deposits in the Andes of NW Argentina by Lucrecia López Steinmetz, R., Salvi, Stefano, Gabriela García, M., Peralta Arnold, Y., Béziat, Didier, Franco, Gabriela, Constantini, Ornela, Córdoba, Francisco E., Caffe, Pablo J.

“…Salars of the Andean Plateau in the Central Andes are the largest lithium deposits on Earth. The most notorious are the Chilean Salar de Atacama, and Uyuni in…”
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Combined Effect of Organic Carbon and Arsenic on the Formation of Sediment-Hosted Gold Deposits: A Case Study of the Shahuindo Epithermal Deposit, Peru by Vallance, Jean, Galdos, Renzo, Balboa, Macneill, Berna, Brigitte, Cabrera, Omar, Huisa, Freddy, Baya, Camille, Van De Vyver, Caroline, Viveen, Willem, Béziat, Didier, Salvi, Stefano, Brusset, Stéphane, Baby, Patrice, Pokrovski, Gleb S.

“…Sediment-hosted gold deposits represent a significant portion of the world’s gold resources. They are characterized by the ubiquitous presence of organic…”
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Petrological and geochemical study of Birimian ultramafic rocks within the West African Craton: Insights from Mako (Senegal) and Loraboué (Burkina Faso) lherzolite/harzburgite/wehrlite associations by Labou, Ibrahima, Benoit, Mathieu, Baratoux, Lenka, Grégoire, Michel, Ndiaye, Papa Moussa, Thebaud, Nicolas, Béziat, Didier, Debat, Pierre

“…In Archean and Paleoproterozoic greenstone belts, ultramafic (UM) rock occurrences are commonly found in close association within basic and differentiated…”
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Gold mineralization related to Proterozoic cover in the Congo craton (Central African Republic): A consequence of Panafrican events by Kpeou, José, Béziat, Didier, Salvi, Stefano, Estrade, Guillaume, Moloto-A-Kenguemba, Gaétan, Debat, Pierre

“…Despite its high endowments, the gold mining potential of Central African greenstone belts is seemingly underrated when compared to equivalent belts in…”
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Trace element geochemistry by laser ablation ICP-MS of micas associated with Ta mineralization in the Tanco pegmatite, Manitoba, Canada by Van Lichtervelde, Marieke, Grégoire, Michel, Linnen, Robert L., Béziat, Didier, Salvi, Stefano

“…In the Tanco pegmatite, one of the world’s major Ta deposits, tantalum mineralization shows a complexity that reflects the complex petrogenesis of its host…”
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The Paleoproterozoic copper-gold deposits of the Gaoua District, Burkina Faso; superposition of orogenic gold on a porphyry copper occurrence? by Le Mignot, Elodie, Siebenaller, Luc, Béziat, Didier, André-Mayer, Anne-Sylvie, Reisberg, Laurie, Salvi, Stefano, Velasquez, Germán, Zimmermann, Catherine, Naré, Athanase, Franceschi, Guy

“…The Gaoua mining district, underlain by Paleoproterozoic volcanic and intrusive rocks of the Boromo-Goren greenstone belt in southern Burkina Faso, is a rare…”
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Multistage gold mineralization in the Wa-Lawra greenstone belt, NW Ghana: The Bepkong deposit by Amponsah, Prince Ofori, Salvi, Stefano, Didier, Béziat, Baratoux, Lenka, Siebenaller, Luc, Jessell, Mark, Nude, Prosper Mackenzie, Gyawu, Eugene Adubofour

“…The Bepkong gold deposit is one of several gold camps in the Paleoproterozoic Wa-Lawra greenstone belt in northwest Ghana. These deposits lay along the…”
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Control of Shear-Zone-Induced Pressure Fluctuations on Gold Endowment: The Giant El Callao District, Guiana Shield, Venezuela by German Velásquez, Stefano Salvi, Luc Siebenaller, Didier Béziat, Daniel Carrizo

“…The El Callao district, with a total endowment of more than 2000 t Au, is considered to be the most prolific gold resource in Venezuela. Mineralization is…”
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Episodic Precipitation of Wolframite during An Orogen: The Echassières District, Variscan Belt of France by Loïs Monnier, Jérémie Melleton, Olivier Vanderhaeghe, Stefano Salvi, Philippe Lach, Olivier Bruguier, Anissa Benmammar, Laurent Bailly, Didier Béziat, Eric Gloaguen

“…Monazite and rutile occurring in hydrothermally altered W mineralizations, in the Echassières district of the French Massif Central (FMC), were dated by U-Pb…”
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The Alamoutala carbonate-hosted gold deposit, Kedougou-Kenieba Inlier, West Africa by Masurel, Quentin, Thébaud, Nicolas, Miller, John, Ulrich, Stanislav, Roberts, Malcolm Peter, Béziat, Didier

“…The Alamoutala gold deposit is located in the Kedougou-Kenieba inlier, a window of Paleoproterozoic rocks that crop out in eastern Senegal and western Mali…”
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Textural features and chemical evolution in tantalum oxides; magmatic versus hydrothermal origins for Ta mineralization in the Tanco lower pegmatite, Manitoba, Canada by van Lichtervelde, Marieke, Salvi, Stefano, Beziat, Didier, Linnen, Robert L

“…Tantalum, a key element in the electronics industry, is produced mainly from rare element granitic pegmatites. Although their internal structure, mineralogy,…”
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