{"id":391,"date":"2019-08-30T17:03:59","date_gmt":"2019-08-30T16:03:59","guid":{"rendered":"https:\/\/monacita.com\/?page_id=391"},"modified":"2021-03-16T13:28:59","modified_gmt":"2021-03-16T12:28:59","slug":"monacita-2","status":"publish","type":"page","link":"https:\/\/monacita.com\/?page_id=391","title":{"rendered":"Monacita"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"391\" class=\"elementor elementor-391\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e9b2a39 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"e9b2a39\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ecb7f62\" data-id=\"ecb7f62\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0c38c52 elementor-widget elementor-widget-heading\" data-id=\"0c38c52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Monacita<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b97342 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"8b97342\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-978ddee elementor-widget elementor-widget-text-editor\" data-id=\"978ddee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En un proyecto de investignci\u00f3n minera del Jnslituto Geol\u00f3gico y Minero de Espa\u00f1a en el Noroeste de la Pen\u00ednsula Ib\u00e9rica, se descubri\u00f3 una monacita de facies aberrante que contiene un amplio cortejo de Tierras Raras, entre las que destaca, por su inter\u00e9s econ\u00f3mico: el Europio.\u00a0<\/p><p>A partir de esa fecha los trabajos de investigaci\u00f3n est\u00e1n encaminados a la localizaci\u00f3n de concentraciones de monacita econ\u00f3micamente explotables. Es la primera vez que se detecta este tipo de mineral en Espa\u00f1a.<\/p><p>Los trabajos de investigaci\u00f3n fueron contratados con la Empresa Nacional Adaro de Investigaciones Mineras, Sociedad An\u00f3nima (ENADIMSA), que los ejecut\u00f3 bajo la direcci\u00f3n del lGME.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-24d010b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"24d010b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1c719e2\" data-id=\"1c719e2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-447e6ef elementor-widget elementor-widget-spacer\" data-id=\"447e6ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-674e80ef elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"674e80ef\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-646e8621\" data-id=\"646e8621\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4f0dc34c elementor-widget elementor-widget-heading\" data-id=\"4f0dc34c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Monacita portadora de Europio<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-519fa830 elementor-widget elementor-widget-heading\" data-id=\"519fa830\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introducci\u00f3n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68b7c422 elementor-widget elementor-widget-text-editor\" data-id=\"68b7c422\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Entre los trabajos programados en el Proyecto de Investigaci\u00f3n Minera de las Sierras de Ancares y Caurel (Le\u00f3n-Lugo), se realiz\u00f3 una prospecci\u00f3n mineralom\u00e9trica de los concentrados de batea procedente del lecho vivo de los arroyos de la red de drenaje secundaria, en la que se descubri\u00f3 la existencia de un tipo de monacita, hasta el momento desconocido en Espa\u00f1a.<\/p><p>El mineral, en forma de elipsoides aplastados, tiene el aspecto de un esquisto muy rodado, pero con una densidad superior a la del yoduro de metileno (d = 3,32).<\/p><p>En todas las muestras en que apareci\u00f3 se concentraba, con preferencia, en la fracci\u00f3n paramagn\u00e9tica atra\u00edble a 0,8 A en el separador electromagn\u00e9tico Frantz-Isodynamic, por lo que se pudo extraer, de la citada fracci\u00f3n de varias muestras, una cantidad suficiente de mineral que, analizada mediante difracci\u00f3n de rayos X, proporcion\u00f3 monacita, fundamentalmente, as\u00ed como trazas de cuarzo, mica, clorita y cloritoide.\u00a0<\/p><p>Una monacita de facies aberrante, totalmente distinta de la monacita end\u00f3gena, que fue, igualmente, descubierta en las pizarras ordov\u00edcicas de la denominada formaci\u00f3n Ag\u00fceira, existentes en el \u00e1rea del Proyecto.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4aa5a3c6 elementor-widget elementor-widget-heading\" data-id=\"4aa5a3c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Caracter\u00edsticas f\u00edsicas<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43dee86e elementor-widget elementor-widget-text-editor\" data-id=\"43dee86e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La monacita de facies aberrante tiene forma de elipsoide aplastado, semejante a una lenteja y una coloraci\u00f3n variable que va del gris oscuro al gris claro, pasando por tonalidades rojizas y amarillentas.\u00a0<\/p><p>Seg\u00fan se ver\u00e1 en el estudio petrogr\u00e1fico de los n\u00f3dulos, la mayor o menor intensidad del tono gris est\u00e1 en funci\u00f3n del con tenido en grafito, y los tonos rojizos y amarillentos en funci\u00f3n del contenido en \u00f3xidos e hidr\u00f3xidos de hierro.<\/p><p>Se han encontrado granos de monacita que conservan trozos de esquistos en uno o en ambos lados del grano, confiri\u00e9ndole forma de huso. Esto es indicio de que los granos est\u00e1n en las proximidades de afloramientos de esquistos mineralizados.<\/p><p>La superficie de los granos de monacita suele estar piqueteada y presenta un brillo mate en todas las variedades encontradas.<\/p><p>La densidad de los nodulos, libres de esquistos, es de 4,648. Su radiactividad es muy d\u00e9bil en relaci\u00f3ncon la de la monacita end\u00f3gena (se ha comparado la monacita end\u00f3gena de Los Pedroches con la monacita nodular, mediante escintil\u00f3metro).<\/p><p>La susceptibilidad magn\u00e9ctica es de unos 20 x 106 C. G. S. E. M., separ\u00e1ndose en el Frantz lsodynamic entre 0,6 y 0,8 A, estando colocado el aparato con 15\u00ba de pendiente longitudinal y 15\u00b0 de inclinaci\u00f3n lateral.<\/p><p>La granulomctr\u00eda de los n\u00f3dulos encontrados tiene por l\u00edmites 0,125 y 4,5 mm., concentr\u00e1ndose la mayor parte del mineral en la fracci\u00f3n granulom\u00e9trica comprendida entre 0,5 y 1 mm.<\/p><p>Los minerales pesados que acompa\u00f1an a esta monacita, en los concentrados de batea, son, fundamentalmente: limonita, hematites, casiterita, oro, rutilo, anatasa, circ\u00f3n, andalucita, monacita end\u00f3gena, ihnenita, distena, turmalina, estaurolita, pirita, topacio, granates, magnetita y clorita.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-161a81b9 elementor-widget elementor-widget-heading\" data-id=\"161a81b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Descargas<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-670692f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"670692f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-ec9e41d\" data-id=\"ec9e41d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-0d2fee7\" data-id=\"0d2fee7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-38b140a elementor-view-default elementor-position-block-start elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"38b140a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a href=\"http:\/\/.\/docs\/monacita\/Monacita_portadora_de_Europio.pdf\" target=\"_blank\" class=\"elementor-icon\" tabindex=\"-1\" aria-label=\"Monacita\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-file-pdf\"><\/i>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<a href=\"http:\/\/.\/docs\/monacita\/Monacita_portadora_de_Europio.pdf\" target=\"_blank\" >\n\t\t\t\t\t\t\tMonacita\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tMonacita portadora de Europio\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-9e9ca8d\" data-id=\"9e9ca8d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f3ee3f2 elementor-view-default elementor-position-block-start elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"f3ee3f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a href=\"http:\/\/.\/docs\/monacita\/Composicion_monacita.pdf\" target=\"_blank\" class=\"elementor-icon\" tabindex=\"-1\" aria-label=\"Monacita\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-file-pdf\"><\/i>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<a href=\"http:\/\/.\/docs\/monacita\/Composicion_monacita.pdf\" target=\"_blank\" >\n\t\t\t\t\t\t\tMonacita\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tComposici\u00f3n de la monacita\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div 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elementor-widget-icon-box\" data-id=\"0e55a17\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-mail-bulk\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h5 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tinfo@monacita.com\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-cf75306\" data-id=\"cf75306\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Monacita En un proyecto de investignci\u00f3n minera del Jnslituto Geol\u00f3gico y Minero de Espa\u00f1a en el Noroeste de la Pen\u00ednsula Ib\u00e9rica, se descubri\u00f3 una monacita de facies aberrante que contiene un amplio cortejo de Tierras Raras, entre las que destaca, por su inter\u00e9s econ\u00f3mico: el Europio.\u00a0 A partir de esa fecha los trabajos de investigaci\u00f3n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-391","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Monacita - Monacita<\/title>\n<meta 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