{"id":1616,"date":"2024-09-07T12:19:32","date_gmt":"2024-09-07T10:19:32","guid":{"rendered":"https:\/\/www.nutzelhem.nl\/?p=1616"},"modified":"2024-09-19T16:39:16","modified_gmt":"2024-09-19T14:39:16","slug":"de-geheimen-van-de-steengroeve-in-winterswijk","status":"publish","type":"post","link":"https:\/\/www.nutzelhem.nl\/2024\/de-geheimen-van-de-steengroeve-in-winterswijk\/","title":{"rendered":"De Geheimen van de Steengroeve in Winterswijk"},"content":{"rendered":"<h6><span style=\"color: #3366ff;\">[presentatie Jos Lankamp - <a style=\"color: #3366ff;\" href=\"https:\/\/static.geologie.nu\/wp-content\/uploads\/2020\/02\/Werkgroep-Muschelkalk-Winterswijk.pdf\" target=\"_blank\" rel=\"noopener\">Werkgroep Muschelkalk<\/a> ]<\/span><\/h6>\n<figure id=\"attachment_1617\" aria-describedby=\"caption-attachment-1617\" style=\"width: 625px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1617\" data-permalink=\"https:\/\/www.nutzelhem.nl\/2024\/de-geheimen-van-de-steengroeve-in-winterswijk\/steengroeve-kv_odra_sibelco_winterswijk_2nov2021_mg_0920\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?fit=2000%2C1079&amp;ssl=1\" data-orig-size=\"2000,1079\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;Copyright: Karin Veenendaal&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Steengroeve KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Steengroeve Winsterwijk&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?fit=300%2C162&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?fit=625%2C337&amp;ssl=1\" class=\"wp-image-1617 size-large\" src=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?resize=625%2C337&#038;ssl=1\" alt=\"\" width=\"625\" height=\"337\" srcset=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?resize=1024%2C552&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?resize=300%2C162&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?resize=768%2C414&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?resize=1536%2C829&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?resize=960%2C518&amp;ssl=1 960w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?w=2000&amp;ssl=1 2000w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?w=1250&amp;ssl=1 1250w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Steengroeve-KV_ODRA_Sibelco_Winterswijk_2nov2021_MG_0920.jpg?w=1875&amp;ssl=1 1875w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><figcaption id=\"caption-attachment-1617\" class=\"wp-caption-text\">Steengroeve Winsterwijk<\/figcaption><\/figure>\n<p>Op dinsdag 17 september openen we het nieuwe seizoen van de NUT-bijeenkomsten met een buitengewoon boeiende lezing over een unieke locatie in Nederland: de <a href=\"https:\/\/www.paleontica.org\/locations\/fossil\/131\" target=\"_blank\" rel=\"noopener\">steengroeve in Winterswijk<\/a>. Dit is de enige plek in het land waar <!--more-->nog actief een steengroeve in bedrijf is, en het is vooral bijzonder omdat hier de 244 miljoen jaar oude Muschelkalk aan de oppervlakte komt. Deze geologische laag stamt uit een periode vlak na het grootste uitsterven in de geschiedenis van onze planeet.<\/p>\n<figure id=\"attachment_1618\" aria-describedby=\"caption-attachment-1618\" style=\"width: 300px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1618\" data-permalink=\"https:\/\/www.nutzelhem.nl\/2024\/de-geheimen-van-de-steengroeve-in-winterswijk\/fossiel\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Fossiel.jpg?fit=1050%2C700&amp;ssl=1\" data-orig-size=\"1050,700\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Fossiel\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Fossiel van Nothosaurus&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Fossiel.jpg?fit=300%2C200&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Fossiel.jpg?fit=625%2C417&amp;ssl=1\" class=\"size-medium wp-image-1618\" src=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Fossiel.jpg?resize=300%2C200&#038;ssl=1\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Fossiel.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Fossiel.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Fossiel.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Fossiel.jpg?resize=960%2C640&amp;ssl=1 960w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Fossiel.jpg?w=1050&amp;ssl=1 1050w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1618\" class=\"wp-caption-text\">Fossiel van Nothosaurus<\/figcaption><\/figure>\n<p>Wat deze groeve echt speciaal maakt, is de rijkdom aan fossielen die hier worden gevonden. Nergens anders ter wereld worden fossielen in zulk een variatie en kwaliteit aangetroffen als in Winterswijk. Tijdens deze lezing duiken we diep in de fascinerende geschiedenis van de steengroeve, die al bijna twee eeuwen teruggaat. U maakt een virtuele wandeling door de verschillende lagen en ontdekt de diverse mineralen die deze bijzondere plek verbergen.<\/p>\n<figure id=\"attachment_1619\" aria-describedby=\"caption-attachment-1619\" style=\"width: 150px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1619\" data-permalink=\"https:\/\/www.nutzelhem.nl\/2024\/de-geheimen-van-de-steengroeve-in-winterswijk\/trilobiet\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Trilobiet.jpg?fit=554%2C554&amp;ssl=1\" data-orig-size=\"554,554\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Trilobiet\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Trilobiet  (uitgestorven)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Trilobiet.jpg?fit=300%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Trilobiet.jpg?fit=554%2C554&amp;ssl=1\" class=\"wp-image-1619 size-thumbnail\" src=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Trilobiet.jpg?resize=150%2C150&#038;ssl=1\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Trilobiet.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Trilobiet.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Trilobiet.jpg?w=554&amp;ssl=1 554w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><figcaption id=\"caption-attachment-1619\" class=\"wp-caption-text\">Trilobiet (uitgestorven)<\/figcaption><\/figure>\n<p>Na de pauze bespreken we de grootste massa-extinctie in de geschiedenis van de aarde: de <a href=\"https:\/\/nl.wikipedia.org\/wiki\/Perm-Trias-massa-extinctie\" target=\"_blank\" rel=\"noopener\">Perm-Trias-massa-extinctie<\/a>, zo\u2019n 252 miljoen jaar geleden. Tijdens deze gebeurtenis, die een keerpunt vormde in het leven op aarde, verdween ongeveer 95% van alle mariene soorten en 70% van de gewervelde landdieren. <a href=\"https:\/\/www.kijkmagazine.nl\/nieuws\/uniek-fossiel-van-trilobiet-met-darminhoud-onthult-eetgedrag\/\" target=\"_blank\" rel=\"noopener\">Trilobieten<\/a>, die al miljoenen jaren bestonden, stierven volledig uit. Ook veel soorten amfibie\u00ebn en pantservissen verdwenen voorgoed, en het was de enige massa-extinctie waarbij insecten op grote schaal uitstierven. Hoewel de exacte oorzaken nog steeds onderwerp van debat zijn, spelen vulkanische activiteit, klimaatverandering en veranderingen in de zeespiegel waarschijnlijk een grote rol.<\/p>\n<figure id=\"attachment_1620\" aria-describedby=\"caption-attachment-1620\" style=\"width: 234px\" class=\"wp-caption alignleft\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1620\" data-permalink=\"https:\/\/www.nutzelhem.nl\/2024\/de-geheimen-van-de-steengroeve-in-winterswijk\/lankamp\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Lankamp.png?fit=234%2C235&amp;ssl=1\" data-orig-size=\"234,235\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Lankamp\" data-image-description=\"&lt;p&gt;Jos Lankamp&lt;\/p&gt;\n\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Lankamp.png?fit=234%2C235&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Lankamp.png?fit=234%2C235&amp;ssl=1\" class=\"wp-image-1620 size-full\" src=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Lankamp.png?resize=234%2C235&#038;ssl=1\" alt=\"\" width=\"234\" height=\"235\" srcset=\"https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Lankamp.png?w=234&amp;ssl=1 234w, https:\/\/i0.wp.com\/www.nutzelhem.nl\/wp-content\/uploads\/2024\/09\/Lankamp.png?resize=150%2C150&amp;ssl=1 150w\" sizes=\"auto, (max-width: 234px) 100vw, 234px\" \/><figcaption id=\"caption-attachment-1620\" class=\"wp-caption-text\">Jos Lankamp<\/figcaption><\/figure>\n<p>De presentatie wordt gegeven door Jos Lankamp, een gepassioneerd amateur-geoloog en paleontoloog. Jos is al vele jaren betrokken bij de opgravingen in Winterswijk en is een prominent lid van de <a href=\"https:\/\/static.geologie.nu\/wp-content\/uploads\/2020\/02\/Werkgroep-Muschelkalk-Winterswijk.pdf\" target=\"_blank\" rel=\"noopener\">Werkgroep Muschelkalk<\/a>, die de unieke vondsten in detail documenteert.<\/p>\n<p>De lezing vindt plaats op dinsdag 17 september in zaal <a href=\"https:\/\/www.jaimyszelhem.com\/\" target=\"_blank\" rel=\"noopener\">De Ploeg van Jaimy\u2019s restaurant<\/a>\u00a0en begint om 20.00 uur. De zaal is open vanaf 19.30 uur en entree is gratis voor leden van Nut Zelhem maar andere belangstellenden zijn ook hartelijk welkom (\u20ac 5.\u2014incl. een kopje koffie\/thee).<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[presentatie Jos Lankamp - Werkgroep Muschelkalk ] Op dinsdag 17 september openen we het nieuwe seizoen van de NUT-bijeenkomsten met een buitengewoon boeiende lezing over een unieke locatie in Nederland: de steengroeve in Winterswijk. Dit is de enige plek in het land waar<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[6],"tags":[9,232,235,236,234,237,233],"class_list":["post-1616","post","type-post","status-publish","format-standard","category-lezingen","tag-achterhoek","tag-fossielen","tag-geologie","tag-muschelkalk","tag-opgravingen","tag-prehistorie","tag-steengroeve","h-entry","hentry","h-as-article"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>De Geheimen van de Steengroeve in Winterswijk - NUT Zelhem<\/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.nutzelhem.nl\/2024\/de-geheimen-van-de-steengroeve-in-winterswijk\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"De Geheimen van de Steengroeve in Winterswijk - NUT Zelhem\" \/>\n<meta property=\"og:description\" content=\"[presentatie Jos Lankamp - Werkgroep Muschelkalk ] Op dinsdag 17 september openen we het nieuwe seizoen van de NUT-bijeenkomsten met een buitengewoon boeiende lezing over een unieke locatie in Nederland: de steengroeve in Winterswijk. 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