1.0Cliffs of Moherhttps://www.cliffsofmoher.ie/en/rich600338<blockquote class="wp-embedded-content" data-secret="oMqVOUqKSU"><a href="https://www.cliffsofmoher.ie/en/unesco-global-geopark/conservation/geology/">Geology</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.cliffsofmoher.ie/en/unesco-global-geopark/conservation/geology/embed/#?secret=oMqVOUqKSU" width="600" height="338" title="“Geology” — Cliffs of Moher" data-secret="oMqVOUqKSU" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://www.cliffsofmoher.ie/wp-includes/js/wp-embed.min.js </script> Geology at The Cliffs of Moher. The Cliffs form part of the Burren and Cliffs of Moher Geopark which was awarded membership of the UNESCO in 2011. Quarrying of the flagstone that occurs along the Cliffs of Moher and in their vicinity was a substantial industry in the 19th & 20th century.