{"version":"1.0","provider_name":"OnlineExamMaker Blog","provider_url":"https:\/\/onlineexammaker.com\/kb","author_name":"Rebecca","author_url":"https:\/\/onlineexammaker.com\/kb\/author\/rebeccaoem\/","title":"20 Petrography Quiz Questions and Answers - OnlineExamMaker Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"SHX48QdAkx\"><a href=\"https:\/\/onlineexammaker.com\/kb\/20-petrography-quiz-questions-and-answers\/\">20 Petrography Quiz Questions and Answers<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/onlineexammaker.com\/kb\/20-petrography-quiz-questions-and-answers\/embed\/#?secret=SHX48QdAkx\" width=\"600\" height=\"338\" title=\"&#8220;20 Petrography Quiz Questions and Answers&#8221; &#8212; OnlineExamMaker Blog\" data-secret=\"SHX48QdAkx\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2025\/08\/1593-petrography.webp","thumbnail_width":600,"thumbnail_height":393,"description":"Petrography is the branch of petrology that focuses on the detailed description, classification, and analysis of rocks through macroscopic and microscopic examination. It involves studying the mineral composition, texture, structure, and fabric of rocks to understand their origin, formation processes, and geological history. Key techniques in petrography include: Macroscopic analysis: Visual inspection of hand samples [&hellip;]"}