{"id":103204,"date":"2023-07-04T13:55:58","date_gmt":"2023-07-04T13:55:58","guid":{"rendered":"https:\/\/www.bgs.ac.uk\/?page_id=103204"},"modified":"2023-07-04T13:58:25","modified_gmt":"2023-07-04T13:58:25","slug":"aberystwyth-ceredigion","status":"publish","type":"page","link":"https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/aberystwyth-ceredigion\/","title":{"rendered":"Aberystwyth, Ceredigion"},"content":{"rendered":"\t\t\t<section class=\"hero-section hero-section-with-social\">\n\t\t\t\t\t\t\t\t<div class=\"hero-info-wrap\">\n\t\t\t\t\t<div class=\"container\">\n\t\t\t\t\t\t<div class=\"row\">\n\t\t\t\t\t\t\t<div class=\"col-12\">\n\t\t\t\t\t\t\t\t<div class=\"hero-info\">\n\t\t\t\t\t\t\t\t\t<h1>Aberystwyth, Ceredigion<\/h1>\n\t\t\t\t\t\t\t\t\t<p>Discovering Geology &mdash; Maps and resources<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n\t\t\t<div class=\"social-wrap social-wrap-inline-them\">\n\t\t\t\t<div class=\"sea-background-f\">\n\t\t\t\t\t<span>Share this article<\/span><a target=\"_blank\"  href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/aberystwyth-ceredigion\/\"><span class=\"icon-facebook\"><span class=\"hidden\">Facebook<\/span><\/span><\/a><a target=\"_blank\"  href=\"https:\/\/twitter.com\/intent\/tweet?text=Aberystwyth,%20Ceredigion&#038;url=https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/aberystwyth-ceredigion\/\"><span class=\"icon-twitter\"><span class=\"hidden\">Twitter<\/span><\/span><\/a><a   onclick=\"javascript:void( (function() {var e=document.createElement('script' );e.setAttribute('type','text\/javascript' );e.setAttribute('charset','UTF-8' );e.setAttribute('src','\/\/assets.pinterest.com\/js\/pinmarklet.js?r='+Math.random()*99999999);document.body.appendChild(e)})());\"  href=\"javascript:void(0);\"><span class=\"icon-pinterest\"><span class=\"hidden\">Pinterest<\/span><\/span><\/a><a target=\"_blank\"  href=\"https:\/\/wa.me?text=https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/aberystwyth-ceredigion\/\"><span class=\"icon-whatsapp\"><span class=\"hidden\">WhatsApp<\/span><\/span><\/a><a   href=\"mailto:?subject=Aberystwyth,%20Ceredigion&#038;body=Explore%20the%20geology%20around%20this%20classic%20Victorian%20resort,%20which%20boasts%20the%20oldest%20pier%20in%20Wales.%20(https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/aberystwyth-ceredigion\/)\"><span class=\"icon-mail\"><span class=\"hidden\">Email<\/span><\/span><\/a><a href=\"#\" data-copy=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/aberystwyth-ceredigion\/\" class=\"copy-url-on-click\"><span class=\"icon-link\"><span class=\"hidden\">Copy Link<\/span><\/span><\/a><\/div><\/div>\t\t\t\t\t\t\t<\/section>\n\t\t\t\n\n\n<section class=\"wp-block-bgs-blocks-content-container content-section\"><div class=\"container\"><div class=\"row\"><div class=\"col-12\">\n<p>Aberystwyth is one of the biggest towns in Mid Wales and home to the University of Aberystwyth which recently (June 2023) celebrated its <a href=\"https:\/\/www.aber.ac.uk\/en\/about-us\/150-anniversary\/\">150-year anniversary<\/a>. <\/p>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Aberystwyth\">Aberystwyth<\/a>, which means \u2018mouth of the river Ystwyth\u2019, is in the Ceredigion region and is famous for its mile-long Victorian promenade and the oldest pier in Wales (built in 1864). At the northern end of the prom is the 430 foot-high Constitution Hill, where you will find the world\u2019s largest <a href=\"https:\/\/www.visitwales.com\/destinations\/mid-wales\/ceredigion-cardigan-bay\/insiders-guide-aberystwyth\">Camera Obscura<\/a>, which provides a bird\u2019s eye view of 1000 square miles of a 360\u00b0 sweep of the town.&nbsp; Constitution Hill is accessible via the Cliff Railway, which is the longest cliff railway in Britain.<\/p>\n\n\n<figure  class=\"img-wrap\"><a href=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/Aber-Constitution-Hill-2023-1400x933.jpg\" data-toggle=\"lightbox\" data-footer=\"&lt;p&gt;View of Constitution Hill from the pier on Aberystwyth promenade. Note the breakwaters and groynes that intersect the beach and reduce longshore drift, and the cliff railway, which is the longest in Britain. \u00a9 Melanie Leng.&lt;\/p&gt;\n\" data-gallery=\"gallery_8067\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/Aber-Constitution-Hill-2023-150x150.jpg\" class=\"lazy-blur\" alt=\"View of Constitution Hill from the pier on Aberystwyth promenade. Note the breakwaters and groynes that intersect the beach and reduce longshore drift, and the cliff railway, which is the longest in Britain. \u00a9 Melanie Leng.\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/Aber-Constitution-Hill-2023-960x640.jpg\" \/><\/a><figcaption class=\"caption \">\n\t\t\t\t\t<div class=\"caption-icon\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/themes\/bgs\/img\/info-caption.svg\" alt=\"Information icon\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"caption-text\"><p>View of Constitution Hill from the pier on Aberystwyth promenade. Note the breakwaters and groynes that intersect the beach and reduce longshore drift, and the cliff railway, which is the longest in Britain. \u00a9 Melanie Leng.<\/p>\n<\/div>\n\t\t\t\t\t<div class=\"expand-box expand-box-top\"><a href=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/Aber-Constitution-Hill-2023-1400x933.jpg\" data-toggle=\"lightbox\" data-footer=\"&lt;p&gt;View of Constitution Hill from the pier on Aberystwyth promenade. Note the breakwaters and groynes that intersect the beach and reduce longshore drift, and the cliff railway, which is the longest in Britain. \u00a9 Melanie Leng.&lt;\/p&gt;\n\" data-gallery=\"gallery_8067\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/themes\/bgs\/img\/expand.svg\" alt=\"Expand icon\"><\/a><\/div>\n\t\t\t\t<\/figcaption><\/figure>\n\n\n<p>Towards the south of the prom is <a href=\"https:\/\/www.visitwales.com\/destinations\/mid-wales\/ceredigion-cardigan-bay\/insiders-guide-aberystwyth\">Pen Dinas Hill and Aberystwyth Castle<\/a>, where there is an Iron Age hillfort and a memorial to the first Duke of Wellington.&nbsp; There are also the ruins of a 13th century English castle, built to keep the Welsh out!&nbsp; The castle is made of the local stone from the Aberystwyth Grits Group.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Geology<\/h2>\n\n\n\n<p>The headlands to the north and south of the town are formed from the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Aberystwyth_Grits_Group\">Aberystwyth Grits Group<\/a>, comprising <a href=\"https:\/\/en.wikipedia.org\/wiki\/Silurian\">Silurian-aged<\/a> mudstones and sandstones that form rock sequences known as turbidites, which were laid down in the marine Welsh Basin. These turbidites crop out all along Ceredigion Bay.&nbsp; The fine-grained sediments contain fossils called graptolites (enabling the rocks to be correlated between outcrops) and were probably deposited in deep water. We know this because shelly material, which is more typical of shallower waters, is rare.<\/p>\n\n\n<figure  class=\"img-wrap\"><a href=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/P212156-1400x1101.jpg\" data-toggle=\"lightbox\" data-footer=\"&lt;p&gt;Cliffs below Constitution Hill, Aberystwyth. Typical Aberystwyth Grits Group lithology in the Aberystwyth area. The succession is mudstones with numerous sandstone turbidites up to 0.24 m thick. BGS \u00a9 UKRI.&lt;\/p&gt;\n\" data-gallery=\"gallery_28580\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/P212156-150x150.jpg\" class=\"lazy-blur\" alt=\"Cliffs below Constitution Hill, Aberystwyth. Typical Aberystwyth Grits Group lithology in the Aberystwyth area. The succession is mudstones with numerous sandstone turbidites up to 0.24 m thick. BGS \u00a9 UKRI.\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/P212156-960x755.jpg\" \/><\/a><figcaption class=\"caption \">\n\t\t\t\t\t<div class=\"caption-icon\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/themes\/bgs\/img\/info-caption.svg\" alt=\"Information icon\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"caption-text\"><p>Cliffs below Constitution Hill, Aberystwyth. Typical Aberystwyth Grits Group lithology in the Aberystwyth area. The succession is mudstones with numerous sandstone turbidites up to 0.24 m thick. BGS \u00a9 UKRI.<\/p>\n<\/div>\n\t\t\t\t\t<div class=\"expand-box expand-box-top\"><a href=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/P212156-1400x1101.jpg\" data-toggle=\"lightbox\" data-footer=\"&lt;p&gt;Cliffs below Constitution Hill, Aberystwyth. Typical Aberystwyth Grits Group lithology in the Aberystwyth area. The succession is mudstones with numerous sandstone turbidites up to 0.24 m thick. BGS \u00a9 UKRI.&lt;\/p&gt;\n\" data-gallery=\"gallery_28580\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/themes\/bgs\/img\/expand.svg\" alt=\"Expand icon\"><\/a><\/div>\n\t\t\t\t<\/figcaption><\/figure>\n\n\n<p>After burial, the rocks were subjected to folding and metamorphism, then eroded so we see them at the surface today. A metamorphic <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cleavage_(geology)\">cleavage<\/a>, which developed due to squeezing, is seen in most of the rocks, depending on the amount of clay and position of the rocks within the fold.&nbsp; Some very mudstone-rich parts have been used in the past to produce roofing \u2018slates\u2019, but the best roofing slates are from elsewhere in Wales.<\/p>\n\n\n\n<p>A detailed description of the geology around Aberystwyth can be found in the BGS <a href=\"https:\/\/webapps.bgs.ac.uk\/Memoirs\/docs\/B01601.html\">Memoir of the Geology of the Country Between Aberystwyth and Machynlleth<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Beaches<\/h2>\n\n\n\n<p>Fringing the coastline along the promenade there are large expanses of beach.&nbsp; Sand and in parts pebbles are exposed at low tide. The pebbles are blue-grey mudstones and paler sandstones. There are rocky platforms around the pier and Bath Rocks, where steeply dipping turbidites can be clearly seen.<\/p>\n\n\n<figure  class=\"img-wrap\"><a href=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/Aberystwyth-Grits-2023-1400x1050.jpg\" data-toggle=\"lightbox\" data-footer=\"&lt;p&gt;The steeply dipping Aberystwyth Grits Group below the southern part of the promenade, beneath the Old College, University of Aberystwyth. View looking north. \u00a9 Melanie Leng.&lt;\/p&gt;\n\" data-gallery=\"gallery_27284\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/Aberystwyth-Grits-2023-150x150.jpg\" class=\"lazy-blur\" alt=\"The steeply dipping Aberystwyth Grits Group below the southern part of the promenade, beneath the Old College, University of Aberystwyth. View looking north. \u00a9 Melanie Leng.\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/Aberystwyth-Grits-2023-960x720.jpg\" \/><\/a><figcaption class=\"caption \">\n\t\t\t\t\t<div class=\"caption-icon\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/themes\/bgs\/img\/info-caption.svg\" alt=\"Information icon\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"caption-text\"><p>The steeply dipping Aberystwyth Grits Group below the southern part of the promenade, beneath the Old College, University of Aberystwyth. View looking north. \u00a9 Melanie Leng.<\/p>\n<\/div>\n\t\t\t\t\t<div class=\"expand-box expand-box-top\"><a href=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2023\/07\/Aberystwyth-Grits-2023-1400x1050.jpg\" data-toggle=\"lightbox\" data-footer=\"&lt;p&gt;The steeply dipping Aberystwyth Grits Group below the southern part of the promenade, beneath the Old College, University of Aberystwyth. View looking north. \u00a9 Melanie Leng.&lt;\/p&gt;\n\" data-gallery=\"gallery_27284\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/themes\/bgs\/img\/expand.svg\" alt=\"Expand icon\"><\/a><\/div>\n\t\t\t\t<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Wildlife<\/h2>\n\n\n\n<p>One of Aberystwyth\u2019s most spectacular natural phenomena occurs in the autumn and winter when thousands of <a href=\"https:\/\/www.aberystwythguide.org.uk\/aberystwyth_starlings.shtml\">starlings<\/a> fly around the bay and roost under the pier at night. The are known as murmurations and some spectacular synchronised flying can be seen as the starlings \u2018swarm dance\u2019.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Safety information<\/h2>\n\n\n\n<p>Do not walk near the cliffs, where rockfalls can occur without warning. Take care on the rocky outcrops, as algae, marine plants and mud make these areas very slippery. The steeply dipping outcrops are also a hazard. Always check tide times before venturing out on the rocky outcrops.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">About the author<\/h2>\n\n\n\t\t<h2><\/h2>\n\t\t<div>\n\t\t\t<div class=\"cards cards-contact no-shape\">\n\t\t\t\t\t\t\t\t<div class=\"media-wrap\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/03\/P1036132-500-150x150.jpg\" class=\"lazy-blur wp-post-image\" alt=\"Prof Mel Leng\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/03\/P1036132-500.jpg\" \/>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"info-wrap\">\n\t\t\t\t\t<div class=\"info\">\n\t\t\t\t\t\t<h5>Prof Melanie Leng<\/h5>\n\t\t\t\t\t\t<p>BGS Chief Scientist, environmental change, adaptation and resilience<\/p>\n\t\t\t\t\t\t<div>BGS Keyworth<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/people\/leng-melanie\/\">Find out more<\/a>\n\t\t<\/div>\n\t\t\t\n\n\t\t\t<div class=\"relatives\">\n\t\t\t\t<h5>Relative topics<\/h5>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/tag\/postcard-geology\/\" class=\"button primary-background\">postcard geology<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<\/div><\/div><\/div><\/section>\n\n\n\t\t\t\t\t<section   id=\"latest-content-8372-block_26d1491dd3619308ca30a93e29f29349\" class=\"grid-section  primary-background   \" >\n\t\t\t\t\t\t<div class=\"container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"row header-of-section\">\n\t\t\t\t\t\t\t\t<div class=\"col-12\">\n\t\t\t\t\t\t\t\t\t<h2>You may also be interested in<\/h2>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"row grid-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"col-lg-6 col-12\">\n\t<div class=\"cards cards-orizontal-sm  cards-find-more  cards-bordered\">\n\t\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/\" class=\"media-wrap\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/04\/feature_homepage_p815563-150x150.jpg\" class=\"lazy-blur wp-post-image\" alt=\"Ammonite p815563\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/04\/feature_homepage_p815563.jpg\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<div class=\"info-wrap\">\n\t\t\t<div class=\"info\">\n\t\t\t\t<h4><a href=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/\">Discovering Geology<\/a><\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p>Discovering Geology introduces a range of geoscience topics to school-age students and learners of all ages.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/\">Show more<\/a>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<div class=\"col-lg-6 col-12\">\n\t<div class=\"cards cards-orizontal-sm  cards-find-more  cards-bordered\">\n\t\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/\" class=\"media-wrap\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/06\/Maps_and_resources_feature-150x150.jpg\" class=\"lazy-blur wp-post-image\" alt=\"Maps and resources feature image P542895\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/06\/Maps_and_resources_feature.jpg\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<div class=\"info-wrap\">\n\t\t\t<div class=\"info\">\n\t\t\t\t<h4><a href=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/\">Maps and resources<\/a><\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p>Download and print free educational resources.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/\">Show more<\/a>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<div class=\"col-lg-6 col-12\">\n\t<div class=\"cards cards-orizontal-sm  cards-find-more  cards-bordered\">\n\t\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/\" class=\"media-wrap\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2021\/07\/Scarborough_headland-150x150.jpg\" class=\"lazy-blur wp-post-image\" alt=\"Scarborough Castle headland\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2021\/07\/Scarborough_headland.jpg\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<div class=\"info-wrap\">\n\t\t\t<div class=\"info\">\n\t\t\t\t<h4><a href=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/\">Postcard geology<\/a><\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p>Find out more about sites of geological interest around the UK, as described by BGS staff.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/\">Show more<\/a>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"row\">\n\t\t\t\t\t\t\t\t<div class=\"col-12\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\t\t","protected":false},"excerpt":{"rendered":"<p>Explore the geology around this classic Victorian resort, which boasts the oldest pier in Wales.<\/p>\n","protected":false},"author":7,"featured_media":103205,"parent":71982,"menu_order":21,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"on","_relevanssi_pin_keywords":"ham hill, somerset, building stones","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"50567,37440,62204,37431,8435,37384","_relevanssi_noindex_reason":"","footnotes":""},"tags":[1070],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Aberystwyth, Ceredigion - British Geological Survey<\/title>\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.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/aberystwyth-ceredigion\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aberystwyth, Ceredigion - British Geological Survey\" \/>\n<meta property=\"og:description\" content=\"Explore the geology around this classic Victorian resort, which boasts the oldest pier in Wales.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bgs.ac.uk\/discovering-geology\/maps-and-resources\/office-geology\/aberystwyth-ceredigion\/\" \/>\n<meta property=\"og:site_name\" content=\"British Geological 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