{"id":693,"date":"2023-02-16T12:05:26","date_gmt":"2023-02-16T11:05:26","guid":{"rendered":"http:\/\/www.krantz.unipr.it\/?post_type=product&#038;p=693"},"modified":"2024-10-25T15:43:00","modified_gmt":"2024-10-25T13:43:00","slug":"300-granito-2","status":"publish","type":"product","link":"http:\/\/www.krantz.unipr.it\/index.php\/prodotto\/300-granito-2\/","title":{"rendered":"300- Granito"},"content":{"rendered":"<p><strong>DESCRIZIONE: <\/strong><\/p>\n<p>Rocce con una percentuale di quarzo compresa tra il 20% ed il 60% ma con differente rapporto feldspati alcalini\/plagioclasio vengono dette rocce granitoidi e assumono nomi diversi in base al rapporto feldspati alcalini\/plagioclasio. Rocce con plagioclasio &lt; 10% sono dette graniti a feldspati alcalini, rocce con plagioclasio &gt; 65% sono dette granodioriti, rocce con plagioclasio &gt; 90% sono dette tonaliti. Queste rocce sono definite &#8220;granitoidi&#8221; in quanto spesso, macroscopicamente e sul terreno, sono difficilmente distinguibili dai graniti s.s.<\/p>\n<p>I graniti possono essere suddivisi in base alle caratteristiche chimiche utilizzando il rapporto Al<sub>2<\/sub>O<sub>3<\/sub>\/(Na<sub>2<\/sub>O + K<sub>2<\/sub>O + CaO), detto <b>ASI<\/b> (alumina saturation index), o indice di saturazione in alluminio.<\/p>\n<p><strong>VISTA A 360\u00b0<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.krantz.unipr.it\/360\/300- Granito\/300- Granito.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; 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; 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; 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\"><span style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span>\ufeff<\/span><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Collocazione: <\/strong>Vetrina 12, secondo ripiano<\/p>\n<p><strong>Localit\u00e0: <\/strong>San Gottardo &#8211; Svizzera<\/p>\n<p><b><span data-contrast=\"auto\">Descrizione macroscopica: <\/span><\/b>I graniti sono rocce plutoniche acide a grana grossa costituite da quarzo (20-60%), feldspati alcalini, plagioclasio e da minerali mafici quali biotite (il pi\u00f9 comune), orneblenda. Altri minerali che possono essere presenti in casi particolari sono: pirosseni, andalusite, muscovite, granato, corindone, tormalina<\/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\">:<br \/>\n<\/span><\/b><\/p>\n<p><strong>prima immagine: <\/strong>Cristalli di biotite, plagioclasio e quarzo in un granito. Immagine a NX, 2x (lato lungo = 7mm)<\/p>\n<p><strong>seconda immagine:\u00a0<\/strong>Cristalli di biotite (marrone), plagioclasio e quarzo (incolori) in un granito. Immagine a N\/\/, 2x (lato lungo = 7mm)<\/p>\n<p><strong>terza immagine:\u00a0<\/strong> Cristalli di biotite, plagioclasio e quarzo in un granito. Immagine a NX, 2x (lato lungo = 7mm)<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":694,"template":"","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no"},"product_cat":[22],"product_tag":[],"class_list":{"0":"post-693","1":"product","2":"type-product","3":"status-publish","6":"product_cat-magmatiche-intrusive","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\/693","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\/694"}],"wp:attachment":[{"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/media?parent=693"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/product_cat?post=693"},{"taxonomy":"product_tag","embeddable":true,"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/product_tag?post=693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}