{"id":820,"date":"2023-03-16T09:48:04","date_gmt":"2023-03-16T08:48:04","guid":{"rendered":"http:\/\/www.krantz.unipr.it\/?post_type=product&#038;p=820"},"modified":"2023-03-16T09:52:30","modified_gmt":"2023-03-16T08:52:30","slug":"437-basalto-2","status":"publish","type":"product","link":"http:\/\/www.krantz.unipr.it\/index.php\/prodotto\/437-basalto-2\/","title":{"rendered":"437-Basalto"},"content":{"rendered":"<p><strong>DESCRIZIONE:<\/strong><\/p>\n<p>I basalti possono essere suddivisi, su base chimica, in due grandi gruppi: <b>le tholeiiti<\/b>, ovvero basalti da saturi in silice a leggermente sovrassaturi, e i <b>basalti alcalini<\/b> che sono sottosaturi in silice. I basalti tholeiitici sono comuni nelle isole oceaniche (OIB) mentre quelli alcalini sono comuni nelle zone di rift continentale. I basalti sono tra le varie rocce ignee, quelle pi\u00f9 comuni sulla superfice terrestre; vengono prodotti in numerosi ambienti geodinamici quali, dorsali medio oceaniche, hot spot, rift continentali, zone di subduzione ecc). I basalti si originano per fusione parziale del mantello terrestre, e sono considerati come i \u201ccapostipiti\u201d della maggior parte delle rocce ignee, in quanto la differenziazione dei magmi basaltici produce la maggior parte delle rocce ignee presenti sulla superfice terrestre. Date che i basalti sono il prodotto della fusione parziale del mantello, la loro composizione chimica e eventualmente gli xenoliti che contengono possono fornire importanti indicazione sul mantello stesso. http:\/\/www.alexstrekeisen.it\/vulc\/basalti.php<\/p>\n<p><strong>\u00a0<\/strong><strong>VISTA A 360\u00b0<\/strong><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.krantz.unipr.it\/360\/437-Basalto\/437-Basalto.html\" width=\"1100\" height=\"700\"><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; 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width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><span style=\"display: inline-block; 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Fasi comuni possono essere: orneblenda, biotite, ortopirosseno e feldspatoidi. I basalti sono generalmente porfirici e possono contenere comunemente xenoliti mantellici.<\/p>\n<p><b><span data-contrast=\"auto\">Descrizione\u00a0<\/span><\/b><b><span data-contrast=\"auto\">microfoto<\/span><\/b><b><span data-contrast=\"auto\">: <\/span><\/b><\/p>\n<p><strong>prima immagine:\u00a0<\/strong>Fenocristalli di plagioclasio (incolore), olivina (alto rilievo, beige) immersi in una pasta di fondo a grana fine ricca in pirosseno ed olvina. Immagine a N\/\/, 2x (lato lungo = 7mm)<\/p>\n<p><strong>seconda immagine:\u00a0<\/strong>Fenocristalli di plagioclasio (grigio I ordine), olivina (alti colori di interferenza) immersi in una pasta di fondo a grana fine ricca in pirosseno ed olvina. Immagine a NX, 2x (lato lungo = 7mm)<\/p>\n<p><strong>terza immagine: <\/strong>Fenocristalli di plagioclasio (incolore) immersi in una pasta di fondo a grana fine ricca in pirosseno ed olvina. Immagine a N\/\/, 2x (lato lungo = 7mm)<\/p>\n<p>http:\/\/www.alexstrekeisen.it\/vulc\/basalti.php<\/p>\n","protected":false},"featured_media":821,"template":"","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no"},"product_cat":[23],"product_tag":[],"class_list":{"0":"post-820","1":"product","2":"type-product","3":"status-publish","6":"product_cat-magmatiche-ipoabissali","8":"first","9":"outofstock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/product\/820","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/media\/821"}],"wp:attachment":[{"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/media?parent=820"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/product_cat?post=820"},{"taxonomy":"product_tag","embeddable":true,"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/product_tag?post=820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}