{"version":"1.0","provider_name":"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue","provider_url":"https:\/\/blogs.futura-sciences.com\/bardintzeff","author_name":"jmbardintzeff","author_url":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/author\/jmbardintzeff\/","title":"Gr\u00e8s de P\u00e9tra et drapeau jordanien, par Jacques-Marie Bardintzeff","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"sH7yFTmYqt\"><a href=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2022\/02\/11\/gres-de-petra-et-drapeau-jordanien\/\">Gr\u00e8s de P\u00e9tra et drapeau jordanien<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2022\/02\/11\/gres-de-petra-et-drapeau-jordanien\/embed\/#?secret=sH7yFTmYqt\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Gr\u00e8s de P\u00e9tra et drapeau jordanien\u00a0\u00bb &#8212; VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue\" data-secret=\"sH7yFTmYqt\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","description":"Le gr\u00e8s (sable soud\u00e9) de P\u00e9tra, dat\u00e9 du Cambrien (500 millions d\u2019ann\u00e9es, \u00e8re Primaire) forme un plateau de 350 m\u00e8tres d\u2019\u00e9paisseur, entaill\u00e9 par de profonds canyons. Sa couleur varie (gr\u00e8s varicolore) en fonctions des oxydes de m\u00e9taux (fer, mangan\u00e8se) qu\u2019il contient. Les Nabat\u00e9ens y ont creus\u00e9 et sculpt\u00e9 la cit\u00e9 antique de P\u00e9tra. L\u2019impressionnante formation &hellip; Continuer la lecture de  &rarr;","thumbnail_url":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2022\/02\/Bardintzeff.20211028_135044.Petra_drapeau.low_.s-450x342.jpg"}