{"id":21689,"date":"2018-03-09T09:11:34","date_gmt":"2018-03-09T09:11:34","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/formacion-de-minerales-de-la-arcilla-en-el-sistema-sio2-al2o3-fe2o3-mgo-na2o-h2o-entre-150-225ao-c\/"},"modified":"2018-03-09T09:11:34","modified_gmt":"2018-03-09T09:11:34","slug":"formacion-de-minerales-de-la-arcilla-en-el-sistema-sio2-al2o3-fe2o3-mgo-na2o-h2o-entre-150-225ao-c","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/mineralogia\/formacion-de-minerales-de-la-arcilla-en-el-sistema-sio2-al2o3-fe2o3-mgo-na2o-h2o-entre-150-225ao-c\/","title":{"rendered":"Formaci\u00f3n de minerales de la arcilla en el sistema sio2-al2o3-fe2o3-mgo-na2o-h2o entre 150-225\u00c2\u00ba c"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Iriarte Lecumberri Pedro Ignacio <\/strong><\/h2>\n<p>En la presente memoria se ha estudiado la formaci\u00f3n de minerales de la arcilla (caolinitas y esmectitas) en diversas condiciones hidrotermales de ph (5-10) y temperatura (150-225\u00c2\u00bac), dentro del sistmea sio2-al2o3-fe2o3-mgo-na2o-h2o. los materiales de partida utilizados han sido geles amorfos con estequiometr\u00eda de esmectita y diferentes razones de cationes octa\u00e9dricos (al, fe y mg). previamente a la s\u00edntesis se ha realizado una optimizaci\u00f3n del m\u00e9todo de preparaci\u00f3n de los geles y de las condiciones hidrotermales (ph).  la caolinita se forma a partir de geles de \u00abnaturaleza diocta\u00e9drica\u00bb en condiciones de ph ligeramente \u00e1cido. En presencia de fe, este se incorpora a la estructura, alcanz\u00e1ndose un contenido de hasta el 30% de fevi. Dentro del rango composicional estudiado, el sistema se comporta como una soluci\u00f3n s\u00f3lida.  las esmectitas diocta\u00e9dricas cristalizan en condiciones de ph ligeramente b\u00e1sica (7-10) a partir de geles ricos en al, con fe y mg. En todas las series, especialmente en las muestras de baja temperatura, la esmectita aparece acompa\u00f1ada por una fase a 7 a, tipo caolinita.  todas las fases esmect\u00edticas neoformadas son de tipo beidellita. Cabe destacar la caracterizaci\u00f3n de beidellitas f\u00e9rricas y la formaci\u00f3n de esmecititas diocta\u00e9dricas en ausencia de mg.  las fases triocta\u00e9dricas corresponden a saponita, estevensita y kerolita, formadas a partir de geles ricos en mg, en condiciones de ph ligeramente alcalino (8-10). En todos los casos aparece kerolita. Si los geles son puramente magn\u00e9sicos o contienen fe, se forman estevensita y kerolita. sin embargo, si los geles contienen mg y al, se forman saponita y kerolita, interestratificados o no.  los resultados obtenidos contribuyen al conocimiento de las condiciones de formaci\u00f3n de estas fases en la naturaleza. Por otra parte, permiten caracterizar t\u00e9rminos que no se encuentran en medios naturales y ayuda a comprender las causas que explican su ausen<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Formaci\u00f3n de minerales de la arcilla en el sistema sio2-al2o3-fe2o3-mgo-na2o-h2o entre 150-225\u00c2\u00ba c<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Formaci\u00f3n de minerales de la arcilla en el sistema sio2-al2o3-fe2o3-mgo-na2o-h2o entre 150-225\u00c2\u00ba c <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Iriarte Lecumberri Pedro Ignacio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Granada<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/02\/2003<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li> Huertas Puerta F. Javier<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel Rodr\u00edguez gallego <\/li>\n<li>alain Decarreau (vocal)<\/li>\n<li> Ru\u00edz cruz Mar\u00eda  dolores (vocal)<\/li>\n<li>dominique Righi (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Iriarte Lecumberri Pedro Ignacio En la presente memoria se ha estudiado la formaci\u00f3n de minerales de la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[2498,953,3831,54724,232,3977,2752],"tags":[65273,65275,65272,65271,4220,65274],"class_list":["post-21689","post","type-post","status-publish","format-standard","hentry","category-edafologia","category-geologia","category-geoquimica","category-geoquimica-de-bajas-temperaturas","category-mineralogia","category-mineralogia-de-suelos","category-quimica-de-suelos","tag-alain-decarreau","tag-dominique-righi","tag-huertas-puerta-f-javier","tag-iriarte-lecumberri-pedro-ignacio","tag-manuel-rodriguez-gallego","tag-ruiz-cruz-maria-dolores"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=21689"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21689\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=21689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=21689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=21689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}