Home > Search Results: Patrier Mas, Patricia
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Articles, 4 records found
Articles 4 records found  
1.
22 p, 1.9 MB Spatial and temporal evolution of hydrothermal alteration at Lavras do Sul, Brazil : Evidence from dioctahedral clay minerals / Bongiolo, Everton Marques (Universidade Federal do Rio Grande do Sul. Instituto de Geociências) ; Patrier-Mas, Patricia (Université de Poitiers) ; Mexias, André Samparo (Universidade Federal do Rio Grande do Sul. Instituto de Geociências) ; Beaufort, Daniel (Université de Poitiers) ; Laquintinie Formoso, Milton Luiz (Universidade Federal do Rio Grande do Sul. Instituto de Geociências)
The Au-Cu (±Pb, Zn, Ag) prospects of Lavras do Sul, southernmost Brazil, are hosted in Neoproterozoic granitic and volcanogenic rocks. Mineralization occurs in structurally controlled N40°W to E-W quartz veins; sericite (±chlorite) and sulfides are the main secondary minerals in associated wall rocks. [...]
2008 - 10.1346/CCMN.2008.0560207
Clays and Clay Minerals, Vol. 56, Núm. 2 (2008) , p. 222-243  
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2.
12 p, 1.1 MB Application of chemical geothermometry to low-temperature trioctahedral chlorites / Inoue, Atsuyuki (Chiba University. Department of Earth Sciences) ; Meunier, Alain (Université de Poitiers) ; Patrier-Mas, Patricia (Université de Poitiers) ; Rigault, Cecile (Université de Poitiers) ; Beaufort, Daniel (Université de Poitiers) ; Vieillard, Philippe (Université de Poitiers)
Low-temperature chlorites formed in diagenetic to low-grade metamorphic environments generally have greater Si contents and larger numbers of octahedral vacancies, and smaller Fe+Mg contents than higher-grademetamorphic chlorites. [...]
2009 - 10.1346/CCMN.2009.0570309
Clays and Clay Minerals, Vol. 57, Núm. 3 (2009) , p. 371-382  
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3.
19 p, 2.0 MB Mineralogy and geochemistry of the host-rock alterations associated with the Shea Creek unconformity-type uranium deposits (Athabasca Basin, Saskatchewan, Canada). Part 2. Regional-scale spatial distribution of the Athabasca Group sandstone matrix minerals / Kister, Philippe (Centre National de la Recherche Scientifique (França)) ; Laverret, Emmanuel (Université de Poitiers) ; Quirt, David (Saskatchewan Research Council) ; Cuney, Michel (Centre National de la Recherche Scientifique (França)) ; Patrier Mas, Patricia (Université de Poitiers) ; Beaufort, Daniel (Université de Poitiers) ; Bruneton, Patrice (Business Unit Mines)
The spatial distribution of the dominant matrix minerals present in the middle-Proterozoic Athabasca Group sandstone (kaolin, illite, sudoite, dravite, hematite) was studied at a regional scale in the Shea Creek region (Saskatchewan, Canada), in which two epigenetic unconformity-type uranium deposits have been discovered. [...]
2006 - 10.1346/CCMN.2006.0540302
Clays and Clay Minerals, Vol. 54, Núm. 3 (2006) , p. 295-313  
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4.
20 p, 2.2 MB Mineralogy and geochemistry of the host-rock alterations associated with the Shea Creek unconformity-type uranium deposits (Athabasca Basin, Saskatchewan, Canada). Part 1. Spatial variation of illite properties / Laverret, Emmanuel (University of Poitiers) ; Patrier Mas, Patricia (University of Poitiers) ; Beaufort, Daniel (University of Poitiers) ; Kister, Philippe (Centre National de la Recherche Scientifique (França)) ; Quirt, David (Saskatchewan Research Council) ; Bruneton, Patrice (Business Unit Mines) ; Clauer, Norbert (Centre de Géochimie de la Surface)
Unconformity-related uranium deposits, which represent a significant high-grade uranium resource, are systematically surrounded by a host-rock alteration halo enriched in clay minerals. Illite is often the major clay mineral component of the halo and it displays a variable crystal structure. [...]
2006 - 10.1346/CCMN.2006.0540301
Clays and Clay Minerals, Vol. 54, Núm. 3 (2006) , p. 275-294  
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