{"id":89639,"date":"2025-06-01T10:09:36","date_gmt":"2025-06-01T10:09:36","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=89639"},"modified":"2025-06-01T10:09:36","modified_gmt":"2025-06-01T10:09:36","slug":"which-one-among-the-following-systems-contains-the-oldest-rock-formati","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/","title":{"rendered":"Which one among the following systems contains the oldest rock formati"},"content":{"rendered":"<p>Which one among the following systems contains the oldest rock formation of India?<\/p>\n<p>[amp_mcq option1=&#8221;Aravalli System&#8221; option2=&#8221;Archean System&#8221; option3=&#8221;Cuddapah System&#8221; option4=&#8221;Vindhyan System&#8221; correct=&#8221;option2&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC CAPF &#8211; 2013<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-capf-2013.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-capf-2013\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe Archean System contains the oldest rock formations of India.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nThe Archean System represents the oldest geological era (approximately 4 billion to 2.5 billion years ago) and comprises the basement complex of India. It includes highly metamorphosed rocks like gneisses, schists, and charnockites, often referred to as the &#8220;Archean Gneiss Complex&#8221;. These rocks form the core of the Indian Peninsular block. Younger rock systems like Dharwar (part of Archean\/Proterozoic), Cuddapah (Purana), and Vindhyan (Purana) were deposited or formed upon this ancient base.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe Dharwar System, though often grouped with Archean, represents the oldest sedimentary rocks formed during the Archean\/Proterozoic transition, deposited on the Archean basement. The Cuddapah and Vindhyan systems are part of the Purana Group (Proterozoic era), which are significantly younger than the Archean formations. While the Aravalli *range* structure is formed from ancient rocks, the oldest *rock formations* themselves belong to the Archean era.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one among the following systems contains the oldest rock formation of India? [amp_mcq option1=&#8221;Aravalli System&#8221; option2=&#8221;Archean System&#8221; option3=&#8221;Cuddapah System&#8221; option4=&#8221;Vindhyan System&#8221; correct=&#8221;option2&#8243;] This question was previously asked in UPSC CAPF &#8211; 2013 Download PDFAttempt Online The Archean System contains the oldest rock formations of India. The Archean System represents the oldest geological era (approximately &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one among the following systems contains the oldest rock formati\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/#more-89639\">Detailed Solution<span class=\"screen-reader-text\">Which one among the following systems contains the oldest rock formati<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1085],"tags":[1467,1131,1164],"class_list":["post-89639","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1467","tag-indian-geography","tag-physical-division","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which one among the following systems contains the oldest rock formati<\/title>\n<meta name=\"description\" content=\"The Archean System contains the oldest rock formations of India. The Archean System represents the oldest geological era (approximately 4 billion to 2.5 billion years ago) and comprises the basement complex of India. It includes highly metamorphosed rocks like gneisses, schists, and charnockites, often referred to as the &quot;Archean Gneiss Complex&quot;. These rocks form the core of the Indian Peninsular block. Younger rock systems like Dharwar (part of Archean\/Proterozoic), Cuddapah (Purana), and Vindhyan (Purana) were deposited or formed upon this ancient base.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one among the following systems contains the oldest rock formati\" \/>\n<meta property=\"og:description\" content=\"The Archean System contains the oldest rock formations of India. The Archean System represents the oldest geological era (approximately 4 billion to 2.5 billion years ago) and comprises the basement complex of India. It includes highly metamorphosed rocks like gneisses, schists, and charnockites, often referred to as the &quot;Archean Gneiss Complex&quot;. These rocks form the core of the Indian Peninsular block. Younger rock systems like Dharwar (part of Archean\/Proterozoic), Cuddapah (Purana), and Vindhyan (Purana) were deposited or formed upon this ancient base.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:09:36+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Which one among the following systems contains the oldest rock formati","description":"The Archean System contains the oldest rock formations of India. The Archean System represents the oldest geological era (approximately 4 billion to 2.5 billion years ago) and comprises the basement complex of India. It includes highly metamorphosed rocks like gneisses, schists, and charnockites, often referred to as the \"Archean Gneiss Complex\". These rocks form the core of the Indian Peninsular block. Younger rock systems like Dharwar (part of Archean\/Proterozoic), Cuddapah (Purana), and Vindhyan (Purana) were deposited or formed upon this ancient base.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/","og_locale":"en_US","og_type":"article","og_title":"Which one among the following systems contains the oldest rock formati","og_description":"The Archean System contains the oldest rock formations of India. The Archean System represents the oldest geological era (approximately 4 billion to 2.5 billion years ago) and comprises the basement complex of India. It includes highly metamorphosed rocks like gneisses, schists, and charnockites, often referred to as the \"Archean Gneiss Complex\". These rocks form the core of the Indian Peninsular block. Younger rock systems like Dharwar (part of Archean\/Proterozoic), Cuddapah (Purana), and Vindhyan (Purana) were deposited or formed upon this ancient base.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:09:36+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/","name":"Which one among the following systems contains the oldest rock formati","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:09:36+00:00","dateModified":"2025-06-01T10:09:36+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The Archean System contains the oldest rock formations of India. The Archean System represents the oldest geological era (approximately 4 billion to 2.5 billion years ago) and comprises the basement complex of India. It includes highly metamorphosed rocks like gneisses, schists, and charnockites, often referred to as the \"Archean Gneiss Complex\". These rocks form the core of the Indian Peninsular block. Younger rock systems like Dharwar (part of Archean\/Proterozoic), Cuddapah (Purana), and Vindhyan (Purana) were deposited or formed upon this ancient base.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-systems-contains-the-oldest-rock-formati\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CAPF","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-capf\/"},{"@type":"ListItem","position":3,"name":"Which one among the following systems contains the oldest rock formati"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/89639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=89639"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/89639\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=89639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=89639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=89639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}