{"id":591,"date":"2023-02-14T11:10:09","date_gmt":"2023-02-14T10:10:09","guid":{"rendered":"http:\/\/www.krantz.unipr.it\/?post_type=product&#038;p=591"},"modified":"2023-02-14T11:15:22","modified_gmt":"2023-02-14T10:15:22","slug":"498-harzburgite","status":"publish","type":"product","link":"http:\/\/www.krantz.unipr.it\/index.php\/prodotto\/498-harzburgite\/","title":{"rendered":"498-Harzburgite"},"content":{"rendered":"<p><strong>DESCRIZIONE:<\/strong><\/p>\n<p>Le Harzburgiti si formano con la fusione parziale della peridotite ricca di pirosseni, detta lherzolite. Il magma prodotto dalla fusione parziale delle harzburgiti pu\u00f2 effondere (tipicamente lungo le dorsali oceaniche) sotto forma di basalto. Se il processo di fusione continua, tutto il pirosseno presente passa nella fase fluida lasciando una roccia madre peridotitica, priva di pirosseni, detta dunite. L&#8217;harzburgite pu\u00f2 formarsi anche con l&#8217;accumulo di olivina e pirosseno ipocalcico in grandi camere magmatiche in profondit\u00e0 nella crosta oceanica.<\/p>\n<p><strong>VISTA A 360\u00b0<\/strong><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.krantz.unipr.it\/360\/498- Harzburgite\/498- Harzburgite.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\"><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, sesto ripiano<\/p>\n<p><strong>Localit\u00e0:\u00a0<\/strong>Baste, Harzburg (Harz) &#8211; Germania<\/p>\n<p><b><span data-contrast=\"auto\">Descrizione macroscopica:\u00a0<\/span><\/b>La Harzburgite \u00e8 una roccia ignea ultramafica; \u00e8 una variet\u00e0 di peridotite composta da olivina e pirosseni a basso tenore di calcio (enstatite) e deriva il suo nome dalle montagne di Harz in Germania.Contiene comunemente, dello spinello cromifero come minerale accessorio. La variet\u00e0 di harzburgite granatifera \u00e8 molto meno comune e si ritrova solo come xenolite nelle kimberliti. (fonte wikipedia)<\/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:\u00a0<\/strong>Cristalli di ortopirosseno (grigio) e olivina. Immagine a NX, 2x (lato lungo = 7mm)<\/p>\n<p><strong>seconda immagine:\u00a0<\/strong>Cristalli di ortopirosseno e olivina. Immagine a N\/\/, 2x (lato lungo = 7mm)<\/p>\n<p><strong>terza immagine:\u00a0\u00a0<\/strong>Cristalli di ortopirosseno (grigio) e olivina. Immagine a NX, 2x (lato lungo = 7mm)<\/p>\n<p>Sezioni sottili fonte http:\/\/www.alexstrekeisen.it<\/p>\n","protected":false},"featured_media":592,"template":"","meta":{"_lmt_disableupdate":"","_lmt_disable":""},"product_cat":[22],"product_tag":[],"class_list":{"0":"post-591","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\/591","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\/592"}],"wp:attachment":[{"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/media?parent=591"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/product_cat?post=591"},{"taxonomy":"product_tag","embeddable":true,"href":"http:\/\/www.krantz.unipr.it\/index.php\/wp-json\/wp\/v2\/product_tag?post=591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}