{"id":24887,"date":"2024-11-15T11:54:14","date_gmt":"2024-11-15T10:54:14","guid":{"rendered":"https:\/\/www.toucandt.com\/?p=24887"},"modified":"2025-11-03T15:02:16","modified_gmt":"2025-11-03T14:02:16","slug":"sardinias-geology","status":"publish","type":"post","link":"https:\/\/www.toucandt.com\/en\/geology\/sardinias-geology\/","title":{"rendered":"Sardinia&#8217;s geology"},"content":{"rendered":"<h2>Geology<\/h2>\n<p>Sardinia, due to its central position in the western Mediterranean, reflects a highly complex geological history, showcasing evidence of major geodynamic events over the last 400 million years. The island features sedimentary, volcanic, intrusive, and metamorphic rocks, which, with minimal interruptions, represent the entire Phanerozoic Eon and parts of the Proterozoic Eon.<\/p>\n<p><a href=\"https:\/\/www.toucandt.com\/wp-content\/uploads\/2024\/11\/timescl.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Timescale.pdf<\/a><\/p>\n<p><a href=\"https:\/\/www.toucandt.com\/wp-content\/uploads\/2016\/11\/sardgeo.gif\"><img decoding=\"async\" class=\"alignnone wp-image-16356 size-medium\" src=\"https:\/\/www.toucandt.com\/wp-content\/uploads\/2016\/11\/sardgeo-300x158.gif\" alt=\"\" width=\"300\" height=\"158\" \/><\/a><\/p>\n<h3 class=\"wp-block-heading\">Igneous Rocks<\/h3>\n<p>These rocks form through the solidification of magma. <strong>Intrusive rocks<\/strong> (e.g., <em>granite<\/em>) typically have well-developed crystals due to their slow cooling process. <strong>Extrusive rocks<\/strong> (e.g., <em>lava<\/em>) form from rapid cooling, preventing the development of crystals.<\/p>\n<p><a href=\"https:\/\/www.toucandt.com\/wp-content\/uploads\/2016\/11\/ing.gif\"><img decoding=\"async\" class=\"alignnone wp-image-16358 size-medium\" src=\"https:\/\/www.toucandt.com\/wp-content\/uploads\/2016\/11\/ing-300x158.gif\" alt=\"\" width=\"300\" height=\"158\" \/><\/a><\/p>\n<h3 class=\"wp-block-heading\"><strong>Sedimentary Rocks<\/strong><\/h3>\n<p><strong>Sedimentary rocks<\/strong> are composed of sediments of either inorganic origin (fragments of pre-existing rocks) or organic origin (e.g., shells). Sedimentation predominantly occurs on seabeds, resulting in characteristically stratified rocks.<\/p>\n<p><a href=\"https:\/\/www.toucandt.com\/wp-content\/uploads\/2016\/11\/calc.gif\"><img decoding=\"async\" class=\"alignnone wp-image-16359 size-medium\" src=\"https:\/\/www.toucandt.com\/wp-content\/uploads\/2016\/11\/calc-300x158.gif\" alt=\"\" width=\"300\" height=\"158\" \/><\/a><\/p>\n<h3 class=\"wp-block-heading\"><strong>Metamorphic Rocks<\/strong><\/h3>\n<p><strong>Metamorphic rocks<\/strong> arise from changes over time in environmental factors (pressure, temperature, fluid composition) affecting a pre-existing rock (referred to as the protolith), altering its original state.<\/p>\n<p><a href=\"https:\/\/www.toucandt.com\/wp-content\/uploads\/2016\/11\/met.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-16360 size-medium\" src=\"https:\/\/www.toucandt.com\/wp-content\/uploads\/2016\/11\/met-300x158.gif\" alt=\"\" width=\"300\" height=\"158\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Geology<br \/>\nSardinia, due to its central position in the western Mediterranean, reflects a highly complex geological history, showcasing evidence of major geodynamic events over the last 400 million years. The <\/p>\n","protected":false},"author":3,"featured_media":19744,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[275],"tags":[],"class_list":["post-24887","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The Geology of Sardinia \u2013 Origins, Rocks and the Island\u2019s Geological History<\/title>\n<meta name=\"description\" content=\"Explore the geology of Sardinia: a journey through igneous, sedimentary, and metamorphic rocks that reveal 400 million years of Mediterranean history.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.toucandt.com\/en\/geology\/sardinias-geology\/\" \/>\n<meta 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